TopFreeGame Bolly Blocks 2011-08-17 Bolly Blocks Tetris Games 1 Player Games Arcade Games The birdies make for cute stacking, but can you keep up as the speed increases? Stack without leaving spaces to keep the board clear! Alternative content Play Bolly Blocks Full Screen Bolly Blocks (Full Screen Play) Bolly Blocks Game Controls Arrow Keys left/right- Move left/right. Arrow Up- Rotate. Arrow Down- Drop.