Beat any character by 2 up in vs. mode, then beat them again in hard mode.

Note: Jak and Ratchet do not have second outfits.

Play as Dogi in versus mode -- Defeat Purin by 4 UP

Play as Furukon and Ni-na in versus mode -- Defeat Marion

Play as Beida in versus mode -- Defeat Reira

Play as Buronzo and Sha-ku in versus mode -- Defeat Masashi and Shirubia

Play as Garu-da in versus mode -- Defeat Sakura

Play as Guroria in versus mode -- Defeat Sha-Ku

Play as Hitomi and Sakura in versus mode -- Defeat Purin and Gonzou

Play as Ku-ga and Reira in versus mode -- Defeat Guroria

Play as Marion in versus mode -- Defeat Buronzo

Play as Musashi in versus mode -- Defeat Garu-da

Play as Rin in versus mode -- Defeat Hitomi

Play as Ro-zu in versus mode -- Defeat Ku-ga

Play as Shirubia in versus mode -- Defeat Rin

Play as Jak in versus mod0e -- Defeat Jak

Play as Ratchet in versus mode -- Defeat Ratchet

Play against Regis - Beat Emma in any difficulty by 4-up in Vs Mode

Play as Regis - Beat Regis in Vs Mode

Enter all these to unlock Replay Cameras.

PVJEMF - Unlock Replay Camera A
EKENCR - Unlock Replay Camera B
ZUHHAC - Unlock Replay Camera C

Minigolf 2 - Get a score of at least 120 on Mini Golf 1

Enter these at the Options --> Passwords screen to get the capsule you want. Each has a different effect on a different course.

WXAFSJ - Capsule 1
OEINLK - Capsule 2
WFKVTG - Capsule 3
FCAVDO - Capsule 4
YYPOKK - Capsule 5
GDQDOF - Capsule 6
HHXKPV - Capsule 7
UOKXPS - Capsule 8
LMIRYD - Capsule 9
MJLJEQ - Capsule 10
MHNCQI - Capsule 11

Go to Options --> Passwords and enter REZTWS - this should unlock all the golfers in the game.

Unlock Everything

Unlock all courses and characters Remove memory cards from the PS2, then using controller 2 when the screen flashes before the Hot Shots logo appears hold L1+L2+R1+R2 and press Up, Up, Down, Up, Left, Right, Right, Left, Up, Up, Down, Up, Left, Right, Right, Left while the logo is moving.

Enter these passwords at the password screen to upgrade all your clubs.

MSCRUK will upgrade 100t Hammer Club from mid-level to top level.
BVLHSI will upgrade 100t Hammer Club to mid-level.
JIDTQI will upgrade Big Air Club from mid-level to top level.
TOSXUJ will upgrade Big Air Club to mid-level.
EIPCUL will upgrade Infinity Club from mid-level to top level.
WTGFOR will upgrade Infinity Club to mid-level.
RBXVEL will upgrade Pin Hole Club from mid-level to top level.
TTIMHT will upgrade Pin Hole Club to mid-level.
DTIZAB will upgrade Turbo Spin Club from mid-level to top level.
NIWKWP will upgrade Turbo Spin Club to mid-level