Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Castwinvania	Beat all castle levels.
Cave explorer	Beat all cave levels.
Doing things right	Gamepad detected.
Doing things wrong	Gamepad not detected.
For science	Beat all lab levels.
Got gud!	Beat the extra level.
Gotta go fast!	Beat the game in 90 minutes or less.
No floor is too hot for me	Beat all lava levels.
Please don't tell...	Uncover a bovine secret.
The dungeon redemption	Beat all dungeon levels.
Things!	Collect all Things and get something nice.
Twin souls	Die 250 times.
Twinborne	Die 1000 times.
Twins die twice	Die 2000 times.
Very win, much end, wow	Beat the game.