Full list of all 28 Little Square Things achievements.
The base game contains 23 achievements, and there is 1 DLC pack containing 5 achievements.
Earn a Shard Star
Earn one star
Earn a Par Star
Complete 4-4 in 10 moves or less
Unlock a new world
Complete 2-8 at top speed
Unlock World 4
Earn the Shard Star on 1-7
Collect all 30 Stars from any world
Complete 2-2 at top speed
Complete 8-8 at top speed
Destroy a Sawblade
Complete 7-8
Unlock World 6
Unlock World 8
Unlock World 10
Complete 2-1 in exactly 23 moves
Collect all 30 stars from three worlds
Unlock "The Gauntlet"
Completed "The Gauntlet"!
Collect all 30 stars from nine worlds
Earn all three stars in 11-10
Earn EVERY STAR
Complete 7-1 in 10 moves or less
Earn the Par Star in 2-7
Get an Ice Cube stuck in an infinite loop after hitting a wall
Destroy a Bullet Cannon
Explode exactly 9 Powder Kegs in one turn