Stack Builder: Block Tower

Stack Builder is a one-tap precision stacking game. Tap to drop the moving block onto your tower - land it clean for a perfect stack, or clip the edge and watch it shrink. How high can you go before you miss? - Solo Mode: stack as high as you can, beat your own best height - AI Battle: race an AI opponent to 100 - first to the target height wins, or highest score after 60 seconds - Three AI difficulty levels: Easy, Normal, Hard - Perfect-landing streaks trigger combo effects and confetti - Expressive block characters that react as you play - Offline-friendly, no login required, no account needed - Occasional house cross-promo cards (no third-party ad SDK) Made by KunStudio.