Kit 3D: Puzzle piece and jigsaw is an Android game developed by Acuario Studios. It falls under the category of puzzle games and is available for free. The game is all about building a bridge with puzzle pieces and jigsaw to help the train reach the other side of the cliff.

To build the puzzle, the player needs to use their skills and consider the physics of each component. Every item or piece has its own physical characteristics of mass and weight, which the player needs to keep in mind while building the bridge. The game also has a wind feature that affects the bridge's stability, requiring the player to factor in its direction when lifting the bridge.

Overall, Kit 3D: Puzzle piece and jigsaw is a great mental game that requires both skill and strategy. The game is challenging yet addictive, and the player must complete the bridge before the sun sets to pass the level.