Reversi
You play black against the computer; trap its discs between yours to flip them, and whoever has more discs when neither side can move wins.
使用したツール
制作方法
Written with Claude Code as a single web page with no libraries; the computer scores every square (corners high, the squares next to them low), looks two moves ahead, and picks at random among moves that score about the same, so no two games play alike.