Reach Kaneko Minori's ending.

Reach Yanagi Yuka's good ending.

Reach Yanagi Yuka's bad ending.

Reach Osaki Rin's ending.

Reach Yamamura Miki's ending.

Win a math game.

Win while betting on odd.

Win while betting on even.

Win a blackjack game.

Win a matching cards game.

Win something from spin the wheel.

Win a tic tac toe game.

Win a balancing game.

Be dead poor.

Be filthy rich.

Play the game.