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Agar-style cell game on its own servers, with free-for-all and experimental modes and a chat. Eat smaller cells to grow and keep away from bigger ones.
Cellcraft.io is a free eat and grow io game (free-for-all). You start tiny. Everything smaller is food, everything bigger is death. The loop Agar.io invented in 2015, and the food-chain games that grew out of it. It ran when last checked, on 2026-10-16.
The game loads from cellcraft.io in a frame. Its own terms, privacy policy, ads and accounts apply inside it, and a save made here is separate from one on cellcraft.io. If you already have progress there, open the game on its own site. How the frames work.