4 vs Shape Defense

"4-Color Puzzle Simulator" is a falling-block puzzle app for practicing chains and foundations at your own pace. What you can do: - Play turn-based online battles, considering and submitting one move at a time - Battle the AMA AI at three difficulty levels - Search for an online opponent while continuing an AMA battle - Wait for an online opponent while practicing in Tokopuyo or Chain Canvas - Review battle history and replays for online and AMA battles - View AI suggestions as ghost pieces - Practice foundations including GTR, FRON, and Sub-GTR - Register and review Ideal Patterns - Place puyos freely and replay chains in Chain Canvas - Play chain animations one step at a time - Pause, adjust settings, or concede during a battle Use it for everything from beginner practice to a warm-up before a match. An internet connection is required for online features.

Defend the core using the power of shapes. Triangle beats Circle. Circle beats Square. Square beats Triangle. Choose the right shape and place it strategically to stop incoming enemies. Survive endless waves, build combos, and aim for a high score.