I Built Tic-Tac-Toe the Old Way — Before Coding Agents
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What I did. I recently built a multiplayer Tic-Tac-Toe backend in Go. At first, it sounds almost too simple to be worth writing about. It has a 3×3 board. Two players. Some HTTP endpoints. A WebSocket connection. Done. But somewhere along the way, a tiny game turned into a surprisingly good exercis…
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- 2026-09-26 14:11 · DEV Community — AI
I Built Tic-Tac-Toe the Old Way — Before Coding Agents