A free program for Android, by Armor Games.

Crush the Castle: Siege Master is a physics-based game where you must use your finger to control a medieval trebuchet and smash a variety of structures. Each stage will have a different objective to achieve, such as destroying all enemy towers or defeating a boss. You will need to complete the objectives in order to move to the next stage.

Gameplay

Control the trebuchet and aim at the enemy tower. Tap to launch a projectile at the enemy.

You can do all of the objectives that are presented in each stage.

You will have a variety of objectives to complete in each stage.