Bontãgo is a strategy game where players must pile various shapes of blocks high to gain influence around a board and use this influence to capture flags. Using the Tokamak physics engine, the player can rotate the blocks in any direction before dropping them, and they stretch the player's influence where they are dropped, increasing it more the higher they are. This requires blocks to be piled high in organized towers or disorderly clumps in order to encircle the flag area in your influence to win. There are also several special pieces that tilt the game board or do other things to shift blocks, and they can be used in your influence or "thrown" outwards to cause effects outside. The game can be played free for all or team based, single or multiplayer. There is also a sandbox mode for people who just want to build.