The following are known Action Replay MAX Codes for We Love Katamari on Sony Playstation 2 (PS2).

These codes are for the U.S. version of the game.

• Master Code – Must Be On
  2XNP-ZQ8X-0311G
  GCJM-ZF34-3YPTP
• Press L1+L2 for More Time
  YJKK-3UX3-9CBKU
  U67U-W1HW-BKBWC
  H1HZ-DPFB-782F3
• Press R1+R2 for Less Time
  ZV7C-RQ7E-84FEK
  8HQ3-M4V7-9N8QB
  NKUX-1CRJ-JWHU0
• Always Low Time on Timed Missions
  JJ3M-4KWK-T8KJ4
  UQUT-W1TU-K7P09