Really Another True achievements

Kill the boss on the first floor.

Open the entry door.

Find the hammer.

Pour the poison into the kitchen sink.

End the game with a normal ending or higher.

Get 10 stars in statistics.

Complete the game on hard.

Return the wizard marker to the school locker.

Put a chair for the hanged man in the alternate staircase.

Eat cake in the kitchen.

Complete the game.