News, guides and developer updates from SlowDen — Slow Cook challenge announcements, browser-game tips, and ways to get your own game played.
2026-10-13
A deck of cards, a wall of tiles, a chessboard. Twenty free solitaire, mahjong, chess and card games that play in your browser - from Klondike to a chess coach that explains your moves - with who made each one.
Read: Solitaire, mahjong, chess and card games you can play free in a browser2026-10-12
Everybody can name a city in California. Krillion asks whether you say Los Angeles or somewhere almost nobody else would. How the game scores, the two free versions on SlowDen, whether it works at school, and five games like it.
Read: Krillion unblocked: the game where the rare answer wins2026-10-12
A parkour game is a promise: there is a way through, and it is one jump harder than you would like. Twelve free parkour and obby games - block obstacle courses, prison breaks, rooftop runs and rhythm jumps - with who made each one.
Read: Parkour and obby games: run, jump, climb and get out2026-10-11
No reflexes, no streak to protect, no timer you did not choose. Twenty-two free browser games that call themselves relaxing in their own listings - colour-by-number, sorting, mahjong, word puzzles and small worlds to wander - half of them made by independent developers.
Read: Relaxing browser games: colour, sort, match, or just potter about2026-10-10
One puzzle, the same one for everybody, done in a few minutes. Twenty-two free daily browser games - geography, guessing, logic and words - nearly all made by independent developers, grouped by what each one asks you to guess.
Read: Daily browser games: guess the place, the year, the song or the number2026-10-09
No control list to read, no menu of moves - one input, and the whole game is about when. Eight free browser games where the entire control scheme is a single key, button or swipe, grouped by what that one input actually does.
Read: Browser games you play with one button, one key or one swipe2026-10-08
"Something me and my friend can play" is not a genre - it is a constraint about who is in the room, and it cuts across every category a games site has. Our 2 Player page listed 12 games. There are 33. Here are all of them, including the four football games nobody could find.
Read: Games for two people, and most of them are not in the 2 Player category2026-10-07
We checked all 249 games on our shelf, then checked the checker. 14 listings point at URLs that no longer work. And 3 games we had flagged as broken were fine - they answer 403 to an automated request and 200 to a browser, because they run bot protection. From the developer's side that is invisible.
Read: Why a portal thinks your game is dead when it is not2026-10-05
On 30 September, 3 of our 153 community games credited an AI agent rather than a person. Today it is 10 of 220 - and six of those ten arrived in the last three days. The credits, printed as submitted, and why we are publishing a count instead of an opinion.
Read: Five days ago it was 3 in 153. It is now 10 in 220.2026-10-04
36 games on SlowDen state in their own listing that you can play as a guest - no account, no registration, nothing to install. That is not a claim about the other 288; most browser games need no account either, their listings just do not say so. These are the ones whose makers said it out loud.
Read: Browser games with no sign-up: the ones that say so themselves2026-10-03
We probed all 178 developer-submitted games on SlowDen for embeddability. 50 refuse - 30 via X-Frame-Options, 13 via a Content-Security-Policy frame-ancestors directive, and 7 because the URL is simply dead. Most of those developers never chose it; their host set it by default.
Read: We checked every game on our shelf: 28% refuse to be embedded2026-10-02
You cannot install games on a school Chromebook, and for browser games you do not need to. Of the 172 games here that state their controls, 145 want a keyboard or a pointer - both of which a Chromebook has. The small awkward set is the six that ask you to swipe.
Read: Browser games on a school Chromebook: what actually works, and the one thing that does not2026-10-01
Solar Smash is the game people search for most before they land here. These are the seven other destruction and ragdoll sandboxes on SlowDen, what each one actually does, who made them, and why they are filed under four categories that none of them sound like.
Read: Games like Solar Smash: ragdoll and destruction sandboxes you can play free2026-09-30
Sixteen of the 153 games on SlowDen's community shelf disclose AI involvement. Three of them do not credit a person at all - they credit an agent. What we do with a credit line like that, why we print it unchanged, and why nobody here is going to tell you whether it is good.
Read: Some of our games are credited to an AI agent, by their own authors2026-09-28
"Beam up cows. Dodge fighter jets. Moo." Three free browser games arrived on SlowDen on the same day from the same developer, each described in one line you could read aloud in four seconds. Why the one-line version is the part most developers write last, and least.
Read: Three games, one day, and the best game descriptions we have been sent2026-09-27
Most people who send a game to SlowDen send one. ArcherLab has sent eleven - a school-romance visual novel, a dungeon roguelike, online volleyball, a cat-stacking physics puzzle, a zombie defense in a school hallway. What a catalogue that refuses to specialise looks like, and the one thread that does run through it.
Read: One developer, eleven games, and almost no two alike2026-09-26
Two free browser games from one developer, splitting a single sense in half: one asks you to put an absolute number on how big a thing is, the other only asks which of two things is larger. Why scoring by orders of magnitude rather than raw difference is the honest choice, and why it keeps a housecat worth the same as a star.
Read: You are worse at guessing size than you think, and that is the game2026-09-25
Ten of the 116 games on our community shelf mention AI. Read as one number it sounds like a trend, but those listings are saying four unrelated things: an AI opponent (a 1970s mechanic), AI-assisted development, a game an AI agent wrote and submitted itself, and a tool that generates games. Why we separate them, why every one of those disclosures was voluntary, and why being AI-related earns a game neither a boost nor a penalty here.
Read: The word "AI" on a game listing means four different things2026-09-24
Most daily puzzles ask you to find a word. All/Some asks you to find a shape — work out how a handful of categories overlap and build the Euler diagram that fits. Why an Euler diagram is not a Venn diagram, why that difference is the whole puzzle, and why rotating the subject matter is what stops a daily format becoming a vocabulary test.
Read: The daily puzzle that makes you draw the logic, not guess the word2026-09-23
A drawing game where the thing you are trying to convince is not a person. You get a prompt, you draw it, and an AI tries to name what you drew — solo, or with up to 12 players and live voice. Why swapping the human guesser for a machine changes what you are actually drawing, and why a room full of people is the point.
Read: Draw it badly enough and the AI still has to guess2026-09-22
A solo developer in the UK has spent three years on a turn-based ball python breeding and genetics game, and the demo runs in a browser tab. What morph inheritance actually is, why it maps onto turn-based play almost without translation, and why SlowDen can tell you what a game is but never whether it is good.
Read: Three years, one developer, and a browser full of ball pythons2026-09-20
Over 28 days slowden.com recorded 1,290 sessions and 416 of them (32.25%) arrived from an AI assistant — 413 from chatgpt.com alone, against 192 from google. The full channel table, how that traffic behaved once it landed, the four things we refuse to conclude from it, and why ~70% of traffic sitting on two sources is written down here as a risk rather than a win.
Read: ChatGPT sends us more visitors than Google does2026-09-14
SlowDen lists 29 free funny games from 27 studios that run in the browser tab you already have open. Only 5 of them are tagged funny by the studios that built them - the rest are tower-defence games, idle tycoons, colouring books and arcade platformers. Three came from independent developers rather than the partner catalogue.
Read: Funny games online: 29, and most of them are not comedies2026-09-13
111 of the 311 free browser games on SlowDen arrived as developer submissions, from 104 different developers — and 100 of them sent exactly one game. 91 of the 111 run on a domain the developer pays for themselves rather than inside a frame here, across 106 distinct hosts. Only four developers sent more than one. Also: why the partner count sat still at 200 while this cohort sextupled, which shelf the other 16 are filed on, and what SlowDen actually asks for in return (nothing).
Read: Indie browser games: 111 sent in by their developers2026-09-11
Thirteen games on SlowDen publish a new puzzle every day and then stop until tomorrow — sudoku, nonograms, a cryptic clue, 4-to-7-letter word grids in six languages, a daily riddle, 20 trivia questions, and a map you draw countries onto from memory. Every single one arrived as a developer submission; not one of the 200 partner titles works this way, and the reason is structural rather than accidental. Also: which ones need no account at all, which speak a language other than English, and what the developers built for the moment you finish today's puzzle.
Read: Daily puzzle games you can play free in a browser — and why every one was sent in by its developer2026-09-06
Deadly Descent is a downhill driving game by Andrey Melnikov: a mountain, a finish line at the bottom, and obstacles that destroy the car on contact — not a time penalty, the end of the run. Which makes it the odd one out on SlowDen's Racing shelf, where five of the 23 games are built around wrecking the car on purpose. Also: why it runs from deadlydescent.net rather than the partner platform (10 of 200 partner titles do), why we will not tell you whether it works on a phone, and the honest half of the word "unblocked".
Read: Deadly Descent unblocked: the downhill game where a crash ends the run2026-09-05
Hedgies is a cosy management game about one hedgehog rebuilding an abandoned plot in the Valley into a working farm — cooking, fishing and crafting, no combat and no timer. RedSpell made it; SlowDen did not, and 0 of the 263 games listed here are SlowDen Originals. It plays free in a browser tab with no download and no account. Also: why RedSpell publishes no control list and we will not guess at phone support, why Hedgies sits on the .io shelf without being an .io game (6 of those 13 carry no io tag and only 2 are tagged PvP), and where the other 22 cozy or relaxing games are hiding across six more categories.
Read: Hedgies unblocked: the cosy hedgehog farm game, free in a browser tab2026-09-03
SlowDen lists 20 free shooting games from 17 studios that run in the browser tab you already have open. Only 7 of them involve a gun - 5 are bubble shooters, and the other 8 include a tower-defence tank game, a football penalty game and a knife-throwing physics game. Of the 16 that publish a control list, just 2 name a keyboard key, so most of this category is aimed with a mouse or a fingertip rather than WASD. All 20 listed with the studio that made each, the real keys for the two that need them, and the 4 that publish no controls at all.
Read: Free shooting games unblocked: 20, and 13 are not what you expect2026-09-02
A category grid shows 18 free sports games from 16 studios as one shelf. They are really two: four are ragdoll physics comedies where the flailing is the game and losing is the joke, and four are precision games — darts, bowling, billiards, golf — where it very much is not. Pick the wrong half and the shelf feels broken rather than funny. Seven carry a two-player tag; only four actually document a second set of keys, and one of the other three says in its own words that you are playing the computer. All 18 listed with the studio that made each, the real keys for the four that are genuinely two-player, and why the two-player half of this list needs a keyboard rather than a phone.
Read: Ragdoll comedy or real precision? The sports shelf is two shelves2026-08-29
Five categories cut across the same 216-game catalogue: 63 action, 62 arcade, 44 adventure, 38 multiplayer and 16 kids games, plus a hand-picked Popular shelf of 50. What is really in each one, why 63 games appear in more than one, and what to open when none of them fits.
Read: Action, arcade, adventure, multiplayer, kids: what is actually in each2026-08-28
Racing covers about five different things, and picking the wrong one is why people bounce. All 23 free racing games on SlowDen, sorted into circuit racers, stunt and ramp games, motorbikes, demolition and parking puzzles - each credited to the studio that made it, no download and no sign-up.
Read: 23 free car and racing games that open in a browser tab2026-08-26
All 200 free browser games on SlowDen were added in August 2026, from 113 different studios - there is no back catalogue yet. What landed in each of the ten categories, the 24 on the New Browser Games shelf, and why every one of them credits the studio that made it.
Read: Every game on SlowDen arrived this month2026-08-23
We read the control list of all 200 games on SlowDen. 92 document touch input, 69 name a keyboard or mouse only, and 39 publish nothing at all - so we say we do not know. The honest breakdown by category, and why the supplier's mobile-ready flag is not worth printing.
Read: Which browser games actually work on a phone2026-08-23
Puzzle is one of the biggest shelves on SlowDen: free games that run in a browser tab with no download and no sign-up. Four Mahjong games, six hidden-object games, three word games, plus sorting, merge and match puzzles, each credited to the studio that made it.
Read: Which puzzle game should you play first?2026-08-22
SlowDen lists 23 free block, sandbox and obby games that run in a browser tab with nothing to download - and none of them is Minecraft. What the genre actually is, the three things people mean when they search for it, and the studios behind it.
Read: Block and sandbox games in the browser (they are not Minecraft)2026-08-21
Poki publishes 1,504 games and earns more free search traffic than two rivals with 4,371 and roughly 9,700 between them. Counted from each portal's own sitemap on 21 August 2026: Poki earns about 70,500 free visits per game page, CrazyGames about 12,400, Playgama about 39. Why adding games to a portal does not add players to yours, what to check on a portal before you submit, and the one number that is easiest to find and least useful.
Read: Why the biggest browser-game site has the fewest games2026-08-19
A drag-and-drop deploy is a replacement, not a sync: every file left out of the folder stops existing. Our build folder still held 111 directories for retired games, and shipping them would have shadowed the 111 redirects that were doing their job, because a static host serves an existing file in preference to a redirect rule. Two self-hosted games had assets that lived only on the live site - 103 files and 142.5 MB, not the ~205 MB our own notes claimed. How we enumerated them from a 1.76 MB JS bundle, why the dynamic-path check is what makes that list complete rather than merely plausible, and why a made-up filename returning 404 is the check that makes the other 103 mean anything.
Read: A full-folder deploy deletes what you leave out2026-08-15
Twelve studios across twenty-two games is not an even spread: Bravestars made six of them, more than a quarter of the shelf, and they play enough alike that liking one tells you a great deal about the other five. That is the thing a grid of thumbnails cannot show you. Counted rather than guessed, the shelf splits seven ways: 6 dress-up and avatar games, 4 cooking, 3 salon and spa, 3 home design, 2 hidden object, 2 life simulation and 1 craft game — plus one ragdoll sword-fighting arena game that fits none of them, which is the honest evidence that the label is a search term and not a rule. Only 1 of the 22 is keyboard-locked, against 7 of 18 in horror, and 9 publish no control list at all.
Read: One studio made six of these 22 games2026-08-15
Searching io games unblocked almost always means one practical thing: an .io game that opens in the tab you already have, with nothing to install and no account. SlowDen lists 12 of them from 11 studios. Which seven are documented for a phone, which two want a keyboard, and the one — Eat Blobs Simulator — that two people can share a keyboard for. Plus the other eleven games in the catalogue that hand out two sets of keys while being filed under something other than 2 Player, and the honest reason no games site can promise the word in the title.
Read: io games unblocked: 12 free .io games, no download2026-08-15
Solar Smash unblocked nearly always means playing it in a browser tab with nothing installed, on a computer that will not let you install anything. That version exists on SlowDen: free, no download, no account. The part most pages skip is which Solar Smash you are opening — this one is credited to Mirra Games, and SlowDen claims no connection to other games sharing the name. How it plays, why its control list means a phone works, what else in the catalogue is about taking things apart, and the honest answer about school networks.
Read: Solar Smash unblocked: play free in your browser2026-08-14
The best two-player browser games are mostly not in the 2 Player category, and that is a measurement rather than an opinion. We read the published control list of all 200 games in the catalogue: 13 hand out two separate sets of keys so two people can play at one keyboard, and only 2 of those 13 are filed under 2 Player. The other eleven are sitting in Sports, Minecraft, Racing, Funny and .io Games, where nobody looking for a two-player game would think to check. All 13 listed with their actual keys, plus why one device almost never means one phone.
Read: The best free 2 player browser games (no download)2026-08-14
SlowDen's horror shelf holds 19 free games from 15 studios that run inside the browser tab you already have open — and only 8 of them carry a horror or scary tag at all. The other eleven are zombie shooters, a ragdoll downhill racer, a screw-and-pin puzzle and a Polish dark-fantasy RPG, filed here on theme rather than on what they do to you. Sorted by the thing a category grid cannot show: which are genuinely tense, which are escape rooms you can tap through on a phone, which three have other people in them, and which one to open first.
Read: Eleven of these 19 horror games are not horror2026-08-14
No website can make itself unblocked at your school, and any page that promises otherwise is telling you something it has no way of knowing. Two separate locks both get called blocked: the network filter, which a games site cannot touch, and the install restriction on a managed school laptop, which a browser game walks straight past because there is nothing to install. A 30-second test to tell them apart, what the studios' own control lists say about Chromebooks, and why the proxy sites in the search results are a bad trade.
Read: Unblocked games at school: what actually works2026-08-12
Every link we had ever shared rendered as a cropped slice of our own logo: the image was 1695x387, a 4.38:1 strip, inside a card type that renders at about 1.91:1 — a 2.3x mismatch that nothing in the pipeline treats as an error. Before building a replacement we measured nine browser-game portals, and of the six that served a measurable image, exactly one matched both the card type it declared and its own declared dimensions. Then counting first cut the repair by ninety per cent: 212 of our 235 pages were never affected, because their share image is the game's own 1920x1080 thumbnail — better than any generic card. Plus why we refused to declare dimensions we had not measured, and a gap this article found and did not close.
Read: Your og:image is probably the wrong shape2026-08-12
Three posts were about to ship with no analytics tag at all — not a broken tag, the snippet simply was not in the file. The pages rendered, validated and would have returned a normal 200. The cause is one line of reasonable behaviour: the generator refuses to overwrite a file a human wrote, so the one page type written by a human is the one page type the head template cannot reach. 215 of our 235 pages get the tag from a template; the other 20 get it from someone remembering, and three of those had already fallen off. Plus the ship-list-not-build-folder rule, a repair verified byte-for-byte, and two probes that lied while we were fixing it.
Read: Why 3 of our 16 blog posts had no analytics tag2026-08-11
One image URL returned a 2,864,826-byte PNG at 1920x1080 and a 115,500-byte AVIF at 512x288 — same browser, same page, a second apart. The ?width= in the URL turned out to be inert across eight values, including one we invented; the Accept header was deciding both the format and the resolution. Across all 200 catalogue thumbnails: 418.9 MB on the fallback path against 19.5 MB negotiated. Plus why your own RUM cannot see any of it, and the eager-loading defect this found on our homepage — 200 first-paint image requests, now 6.
Read: The same URL served me two different images2026-08-08
Google's Rich Results Test reports 4 valid structured-data items on one of our game pages. We wrote one of them. The other three — an Organisation, a Review snippet and a Software App — are published by a document inside a cross-origin iframe, and the rating attached to them is one we never collected. Measured against a control page whose embed carries no structured data at all: 4 valid items versus 1. Plus 11 embed providers probed, and why the one-line fix is not applied.
Read: The star rating your iframe added to your page2026-08-07
A player wants to know one thing before they commit: can I operate this with what I am holding? schema.org has a field for exactly that. We checked 200 game pages across four browser-game portals — every one publishes a star rating, and not one publishes that field. The data is not being dropped in transit; 190 of 190 supplier pages have a How to Play section and only 107 name an input device in it. Plus the one platform that does collect it, and the 96 pages we annotated in response.
Read: 200 game pages, 200 star ratings, 0 machine-readable controls2026-08-05
Local co-op is the cheapest multiplayer anyone ever shipped: no server, no netcode, no accounts. It is also the one mode a phone cannot run. We read the control list of all 200 games in the catalogue: 13 document two people on one device, 9 hand out two separate key sets, and exactly 1 of those 9 is filed under 2 Player. Plus nine control lists that stop mid-sentence, and a correction to our own article from the same day.
Read: Two players, one keyboard2026-08-05
We audited the developer-written control list of every game in a 200-game HTML5 catalogue. Of the 155 that have one, 68 never mention touch at all and 26 name a keyboard key as the movement control. Meanwhile the page around the game invites the player to tap, on 14 live pages out of 14, and the box any on-screen controls would fit into measures 331 by 207 pixels.
Read: Why your browser game is unplayable on a phone2026-08-03
The page gets visits and the play count stays flat, so nobody who left ever played the game. We measured the window before the game starts on a live portal: a 330x205 pixel box on a phone, a third of the game below the fold on a laptop, several seconds of black rectangle, and a start button clipped by the edge of the screen.
Read: Why players leave before your game starts2026-08-02
Fullscreen does nothing, the save file is gone, there is no sound and the arrow keys scroll the page. We measured a live cross-origin game embed to show which browser features are switched off by default, who can switch them back on, and how to test your own build in ten minutes.
Read: Why your game breaks inside an iframe2026-08-01
A weekend jam fails because there is not enough time. A month fails because there is just enough time to start building systems instead of a game. A week-by-week calendar working backwards from the 31 August Slow Cook deadline, each challenge's own pass/fail line, and the order to cut things in when you fall behind.
Read: How to actually finish a game in one month2026-07-31
Zero console errors, every file returns 200, and the player still sees black. We measured one of our own games — 203 MB of art queued in front of a 38 KB game — and wrote down exactly how a project ends up there, plus how to check your own build in ten minutes.
Read: Why your browser game loads to a black screen2026-07-30
Developers keep asking where to publish an HTML5 game when what they mean is which of these places has anybody on it. How to tell a host from an audience by reading a portal's own pages, what developers say they actually want, and the honest ceiling on what a listing does for you.
Read: Which browser-game portals actually have players on them2026-07-30
Most browser-game searches are phrased as a negative — people want games without something. 'No download' is the one universal across six regions; after that it splits into no ads, no login, and an Indian-English phrase no Western portal writes.
Read: What players in six countries ask a browser game site to do2026-07-29
A player's guide to SlowDen's free browser games, sorted by how much time you actually have — two-minute arcade runs, ten-minute daily puzzles, and games for two people on one keyboard. No downloads, no sign-up.
Read: Free browser games you can play right now (no download)2026-07-25
A step-by-step, honest walkthrough of submitting your browser game to SlowDen — how to get your web build submission-ready, what to prepare, exactly how the Slow Cook route works today, and what you can and can't expect.
Read: How to submit your browser game to SlowDen (2026 walkthrough)2026-06-28
A friendly, honest map of where indie and browser-game developers gather online in 2026 — global hubs like itch.io and Ludum Dare plus active scenes in India, Southeast Asia and Brazil — and how a browser game helps you join in.
Read: Where indie game developers gather around the world (2026)2026-06-27
Self-host it, put it on itch.io or Newgrounds, pitch an ad-revenue portal, or enter a jam. Four free routes to getting a browser game played in 2026 — what each one actually gets you, what it asks in return, and a 30-second checklist to run before you publish anywhere.
Read: Where to publish an HTML5 game free in 2026: 4 routes2026-06-26
Slow Cook is SlowDen's free browser game challenge. Pick a creative prompt, build a small but complete browser game — any engine, any team size — and submit it free for a chance to be featured.
Read: Slow Cook is open — a free browser game challenge anyone can enter