SUM//12: Number Puzzle

Make 12. Keep your columns alive. A daily number puzzle. A 150-second score chase. No ads in the way. Place each tile into one of three columns. Make exactly 12 to clear a column and earn a bonus. Go over and that column burns. Lose all three and the round ends. A DAILY CHALLENGE TO COME BACK TO Play the same tile sequence as everyone else for the UTC date. Replay it as often as you like to beat your Daily Best. A fresh challenge arrives at midnight UTC. For a new sequence every round, choose Random. LOOK TWO MOVES AHEAD See the current tile and the next two. Balance quick calculation with a plan for your remaining columns. The clock starts with your first valid move and runs for up to 2 minutes and 30 seconds. SMALL, PRIVATE, OFFLINE - Play without an internet connection or an account. - Keep separate Random and Daily best scores on your device. - No ads, subscriptions, analytics or tracking. Open. Play. Nothing else. Built with substantial assistance from AI tools, with human direction, design decisions, testing and final responsibility. SUM//12 does not use AI during gameplay and does not send gameplay data to AI systems.