The yellow egg-shaped character, Blupi, must navigate his way through one level after another in this puzzle game to find his balloon after which he floats upwards to the next level. In a 3D environment, Blupi must clear a path through crates and different barriers. He can push but not pull a crate, plus operate different machinery and cranes he comes across. You can give commands for Blupi to execute in sequence, then you can watch him perform the moves.