Tetroku - Tropical Edition Free iGiki Webware Version Full Specs Visit Site External Download Site Publisher's Description From iGiki: Kick back, enjoy a cool tropical breeze, and tap your way to Tetroku. A Tetris Sudoku hybrid. Tap the falling blocks into place. Beware-placement matters if you want to reach Tetroku! With bonus opportunities and countless levels. What do you need to know about free software?