Here is the full list of all 23 MouseCraft achievements.
Exterminate 10 Ratoids by leading them into Acid Obstacles.
Exterminate 10 Ratoids by using Electric Bricks.
Design one level in the Level Editor.
Earn 80 golden cogs by completing all the levels with a Perfect score.
Collect all Anima Shards.
Complete all 80 levels.
Spend 600 seconds under water.
Unlock Moving Brick feature
Unlock Indestructible Brick feature
Unlock Acid Obstacle feature
Unlock Electric Brick feature
Earn 40 golden cogs by completing 40 levels with a Perfect score.
Exterminate 10 Ratoids by using Exploding Bricks.
Destroy 100 Tetromino Bricks by using Bombs.
Unlock Exploding Brick feature
Unlock Crumbling Brick feature
Exterminate 50 Ratoids.
Unlock Water Obstacle feature
Unlock Jelly Brick feature
Exterminate 10 Ratoids by smashing them with Tetromino Bricks.
Unlock Ratoid feature
Unlock Brick Bomb feature
Unlock Anima Shards feature