Crazy Construction (クレイジー・コンストラクション) is a Nintendo 3DS game developed by Intense and published by Nintendo. It is a building simulation game set in a vibrant, cartoon-style world. Players take on the role of a construction worker and build a variety of structures, such as bridges, houses, and towers. The game features a variety of tools, such as a hammer, saw, and drill, as well as a selection of materials, such as wood, steel, and stone. The game also features a variety of mini-games, such as a demolition derby and a marble run. The game also features a level editor, allowing players to create their own levels and share them with friends. Crazy Construction is a fun and creative game that is sure to keep players entertained for hours.