Gridlock: Once you start the game, you have 10 lives. There is a grid where there is a tile you can move on the grid. Identical to the tiles, there are also blocks coming from sides of the screen. The point of the game is to block the blocks going to other end of the screen(depending on where the block originates) by colliding them with the tile that you control. Each block that makes it to the other end of the screen costs you a life.