Finally the World of Contraptions is available in early access on Steam:
World of Contraptions is a physics-based building game in which you build the most varied contraptions to solve the most diverse types of obstacles and puzzles. Win dozens of levels with different types of obstacles. Design the best contraption for each challenge using a giant collection of blocks with different functionalities.
Each stage offers a unique challenge or a combination of challenges. These challenges can be physical obstacles such as ramps, walls, bridges, narrow passages, holes, etc. Or destructive obstacles like mines, explosive barrels and traps. Or even interactive obstacles such as levers that modify the scenario by opening doors, lowering bridges, etc.
For each challenge offered in the World of Contraptions levels, you can count on a gigantic collection of blocks with different types of functionality. Structural blocks to define the shape of your contraption, wheels for movement, motors to give life to your creation, in addition to several other auxiliary blocks that can be useful to overcome different types of obstacles.