Goal: Your goal is to get the biggest stack possible. The amount of blocks you have stacked is represented by your score. After a certain stack size, the bottom block gets repeatedly removed to keep the top of the stack visible.
Rules: Don't miss a block. If a Block falls out of view you lose a life.
Lives: At the start of the game a difficulty is selected. Normal provides 1 life, Easy provides 3. The game ends if you lose all your lives.
How To Stack: Only the top block in the stack can catch another block. Make sure you catch every block with the current top block.
Speed: Every 15 seconds the falling blocks get faster until the maximum speed is reached.