The following are known Action Replay Codes for Dragon Quest IV: Chapters of the Chosen on Nintendo DS (NDS).

Game ID: YIVE-387874A8

• Press SELECT for Max Gold
  94000130 fffb0000
  020c7dd0 3b9ac9ff
  d2000000 00000000
• Press SELECT for Max Casino Tokens
  94000130 fffb0000
  020c7dd8 3b9ac9ff
  d2000000 00000000

Battle Codes

• Press L in Battle: Max EXP
  94000130 fdff0000
  120c7de8 0000270f
  d0000000 00000000

Hero Attributes

• Max HP
  120c88d0 000003e7
• Full HP
  120c88ce 000003e7
• Max MP
  120c88d4 000003e7
• Full MP
  120c88d2 000003e7
• Max Strength
  220c88c8 000000ff
• Max Agility
  220c88cc 000000ff
• Max Resilience
  220c88ca 000000ff
• Max Wisdom
  220c88cd 000000ff
• Max Luck
  220c88d6 000000ff

Ragnar Attributes

• Max HP
  120c92e8 000003e7
• Full HP
  120c92ea 000003e7
• Max MP
  120c92ec 000003e7
• Full MP
  120c92ea 000003e7
• Max Strength
  220c92e0 000000ff
• Max Agility
  220c92e4 000000ff
• Max Resilience
  220c92e2 000000ff
• Max Wisdom
  220c92e5 000000ff
• Max Luck
  220c92ee 000000ff

Healie Attributes

• Quick Level Up
  120cc038 0000ffff
• Max HP
  120cc054 000003e7
• Full HP
  120cc052 000003e7
• Max MP
  120cc056 000003e7
• Full MP
  120cc058 000003e7

Alena Attributes

• Max HP
  120c97f4 000003e7
• Full HP
  120c97f2 000003e7
• Max MP
  120c97f8 000003e7
• Full MP
  120c97f6 000003e7
• Max Strength
  220c97ec 000000ff
• Max Agility
  220c97f0 000000ff
• Max Resilience
  220c97ee 000000ff
• Max Wisdom
  220c97f1 000000ff
• Max Luck
  220c97fa 000000ff

Kiryl Attributes

• Max HP
  120c9d00 000003e7
• Full HP
  120c9cfe 000003e7
• Max MP
  120c9d04 000003e7
• Full MP
  120c9d02 000003e7
• Max Strength
  220c9cf8 000000ff
• Max Agility
  220c9cfc 000000ff
• Max Resilience
  220c9cfa 000000ff
• Max Wisdom
  220c9cfd 000000ff
• Max Luck
  220c9d06 000000ff

Borya Attributes

• Max HP
  120ca20c 000003e7
• Full HP
  120ca20a 000003e7
• Max MP
  120ca210 000003e7
• Full MP
  120ca20e 000003e7
• Max Strength
  220ca204 000000ff
• Max Agility
  220ca208 000000ff
• Max Resilience
  220ca206 000000ff
• Max Wisdom
  220ca209 000000ff
• Max Luck
  220ca212 000000ff

Torneko Attributes

• Max HP
  120ca718 000003e7
• Full HP
  120ca716 000003e7
• Max MP
  120ca71c 000003e7
• Full MP
  120ca71a 000003e7
• Max Strength
  220ca710 000000ff
• Max Agility
  220ca714 000000ff
• Max Resilience
  220ca712 000000ff
• Max Wisdom
  220ca715 000000ff
• Max Luck
  220ca71e 000000ff

Hardie Attributes

• Max HP
  120cd484 000003e7
• Full HP
  120cd482 000003e7
• Max MP
  120cd488 000003e7
• Full MP
  120cd486 000003e7

Laurel Attributes

• Max HP
  120cd990 000003e7
• Full HP
  120cd98e 000003e7
• Max MP
  120cd994 000003e7
• Full MP
  120cd992 000003e7

Meenda Attributes

• Max HP
  120cac24 000003e7
• Full HP
  120cac22 000003e7
• Max MP
  120cac28 000003e7
• Full MP
  120cac26 000003e7
• Max Strength
  220cac1c 000000ff
• Max Agility
  220cac20 000000ff
• Max Resilience
  220cac1e 000000ff
• Max Wisdom
  220cac21 000000ff
• Max Luck
  220cac2a 000000ff

Maya Attributes

• Max HP
  120cb130 000003e7
• Full HP
  120cb12e 000003e7
• Max MP
  120cb134 000003e7
• Full MP
  120cb132 000003e7
• Max Strength
  220cb128 000000ff
• Max Agility
  220cb12c 000000ff
• Max Resilience
  220cb12a 000000ff
• Max Wisdom
  220cb12d 000000ff
• Max Luck
  220cb136 000000ff

Oojam Attributes

• Max HP
  120ce3a8 000003e7
• Full HP
  120ce3a6 000003e7
• Max MP
  120ce3ac 000003e7
• Full MP
  120ce3aa 000003e7