🧠Cerebite

Classic Board Games

Timeless strategy, zero setup — play against the computer or pass-and-play with a friend.

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Othello (Reversi)

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Tic-Tac-Toe

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Connect Four

Every game here runs entirely in your browser with a computer opponent that actually plays well — three difficulty levels, from friendly to genuinely hard. Othello rewards long-term board control, Connect Four is all about seeing threats one move earlier, and Tic-Tac-Toe is the perfect warm-up.

Prefer a human opponent? Each game has a two-player mode on the same device — no accounts, no waiting for matchmaking. Great for killing five minutes with someone next to you.

Frequently asked questions

How strong is the computer opponent?
On the hardest setting the bots search several moves ahead (minimax with pruning) — they punish one-move thinking, block obvious threats and most casual players lose more than they win.
Can two people play on one phone?
Yes — switch to 2-player mode and take turns on the same screen. It works on any phone, tablet or computer.
Where do I learn the rules of Othello?
The Othello page includes an interactive tutorial that teaches captures, corners and common openings step by step — five minutes and you're ready to play.