Throw 100 shots.
Throw 1,000 shots.
Kill 100 enemies.
Throw 10,000 shots.
Kill 200 enemies.
Kill 500 enemies.
Crush all castles in Arcturia.
Defeat all castles in Arcturia.
Defeat all castles in Skull Island.
Crush all castles in Skull Island.
Crush all castles in Armor Isles.
Defeat all castles in Armor Isles.
Light 50 pieces of wood on fire.
Crush 5 castles in 1 shot where the crush requirement is 2+ shots.
Collide 2 projectiles together in mid-air.
Defeat a castle after firing 50+ projectiles at it.
Launch a projectile on the trebuchet's back swing.
Fire a single small stone or fire potion into a sturdy metal castle.
Crush all castles in an area using only the projectiles unlocked in that area.
Throw a stone over a castle without hitting anything.
Throw projectiles a total of 10,000 feet.
Create and save a level in the level editor.
Strike a human with a projectile without hitting anything else first.
Change the trebuchet's look by equipping an alternate skin.