Beating the demo gets you extra items for the game.
Matryoska - How to unlock
Matryoshka AT - Load saved demo file.
Matryoshka DF - Load saved demo file.
Matryoshka LC - Load saved demo file.
Matryoshka MA - Load saved demo file.
Matryoshka MD - Load saved demo file.
Matryoshka SP - Load saved demo file.
Matryoshka TC - Load saved demo file.
