Draw a strange little creature and see if its species can take over a planet. Explore, gather plants, build nests, and pick fights with rivals that have tricks of their own. A free black-and-white browser demo with keyboard controls. Progress saves in your browser.
Primal Strain was submitted to SlowDen by Portalrabbit. SlowDen did not make this game - it is published here from the developer's own submission, added on 2026-10-19. It runs in the browser with no download, no install and no sign-up.