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Tron-style lines instead of snakes. Ride close to other lines to charge a speed boost, then cut them off. 2017.
Powerline.io is a free snake io game (free-for-all, fast). Slither.io and its descendants. Grow long, cut people off, never touch another body with your head. It ran when last checked, on 2026-09-16.
The game loads from powerline.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 powerline.io. If you already have progress there, open the game on its own site. How the frames work.