Possess 10,000,000 yen or more.

Order something at least once at each restaurant.

Play all casino gambling games.

Collect two of each different tile pattern in mahjong.

Win the first point in Four-Ball pool.

Successfully hit two panels at once at the batting center.

Achieve a hat trick in darts.

Destroy 100 weapons you pick up playing as Kiryu.

Purchase five hand guns playing as Saejima.

Earn 1,000,000 yen playing as Akiyama.

Collect all Memos in the Pause Menu.

Open five coin lockers.