Besiege is a physics building game about constructing mechanical machines to annihilate armies, obliterate castles and overcome challenging obstacles.

Create tanks, planes, helicopters, sports cars, catapults, rockets, giant mechs- anything you can imagine- with Besiege’s intuitive & flexible building system!

Cruise through Besiege’s singleplayer campaign or huge sandbox levels, terrorizing their inhabitants, honing your craft & testing your ingenious prototypes.