A polished strategy arena with a serious computer engine, tactical puzzles, move coaching, game review and zero paywalls. Drop a disc. Build the threat. Connect four.
Private • offline-ready • no account
Daily tactic
Find the winning move.
You
∞
Your turn
Red moves first
Computer
∞
Think one move further.
Four in a Row is simple to learn but tactically sharp: immediate threats, forced blocks and double-threat forks decide games quickly. OneFreePlace keeps the full training experience free — hints, undo, review and tactical puzzles included.
Privacy: gameplay, preferences and statistics stay in this browser. No board state is uploaded. Clearing browser data resets your local progress.