Blockout - Sega Genesis Game. If you're tired of the limitations placed on 2D puzzle games like TETRIS, then you're ready for BLOCKOUT for the Sega Genesis. Random 3D shapes will come tumbling down towards the bottom of your well, and you've got to twist and turn them to build complete layers that will disappear when fully assembled. There are 11 difficulty levels, ranging from novice to advanced, and you can even go head-to-head against a friend. When you complete a layer, it's moved over to your opponent's stack! As if that weren't enough, you can even design your own puzzles the only limitation is your imagination. You can customize the game using 750 different starting combinations of block sets and wells, so you'll rarely see the same combo twice. So jump into the third dimension with BLOCKOUT you'll wonder how you ever enjoyed a 2D game!