Swap 21

Swap, match, score 21! Think fast, swap smart. Swap 21 is a card puzzle game where you swap adjacent cards on a 5×6 grid to form groups of three that add up to 21 — just like blackjack. How to Play Swap any two neighboring cards to line up three in a row or column that total 21. Face cards (J, Q, K) are worth 10, Aces count as 1 or 11, and number cards are face value. Match as many 21s as you can before time runs out! Features • 100 handcrafted levels with increasing challenge • Race the clock — every second counts • 3-star rating system based on matches made • Wildcards to break through deadlocks • Hints after moments of inactivity • Penalty for bad swaps — think before you move! • Game Center leaderboards for every level • 8 achievements to unlock • Clean, elegant card design • No ads. No energy timers. Just puzzles. Easy to learn, hard to master. Can you three-star them all?