The following are known Action Replay Codes for Dragon Quest IX: Sentinels of the Starry Skies on Nintendo DS (NDS).

Game ID: YDQE-23A95403

• Max Gold
  020f6d48 3b9ac9ff
• Max Gold in Bank
  020f6d44 3b9ac9ff

Main Character Codes

• Max Skill Points Remaining
  120f59dc 00002710
• Quick Level Up
  220f55c8 000000ff
• Faster Level Up
  120f55c8 0000ffff
• Instant Level 99
  020f55c8 0052c37f