The following are known Action Replay Codes for Arcus Odyssey on SEGA Genesis / Mega Drive (Genesis).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay

• Infinite Health P1
  FF8212:0C
• Infinite Health P2
  FF8213:0C
• Infinite Green Shield Magic P1
  FF823A:63
• Have Infinite Red? Magic P1
  FF823B:63
• Have Fire Item(s) Modifier P1 (0-6)
  FF8238:XX
• Character Modifier P1
  FF8218:XX
• Character Modifier P2
  FF8219:XX

Character Modifiers

• 00 – Male Warrior
• 01 – Female Warrior
• 02 – Female Archer
• 03 – Wizard/Mage

Item Modifier P1 Codes

• Slot 2
  FF823C:XX
• Slot 3
  FF823D:XX
• Slot 4
  FF823E:XX
• Slot 5
  FF8240:XX

Item Modifier P2 Codes

• Slot 2
  FF8246:XX
• Slot 3
  FF8247:XX
• Slot 4
  FF8248:XX
• Slot 5
  FF8249:XX

Footnotes

• 01 – Red Candle
  02 – Green/Brown Thing?
  03 – Lilly?
  04 – Doll of Life (Brown)
  05 – Red Wand?
  06 – Flour? Salt? ???
  07 – Green Dragon Head?
  08 – A Fire Item
  09 – Silver Key
  0A – Red/Pinkish Key
  0B – Old Man Voodoo Doll??? (White/Blue/Grey/Blue)
  0C – Sword With Brown/Green Hilt
  0D – Sword With Pink Blade And Purple Hilt
  0E – Sword With Red Blade And Green Hilt
  0F – Dark Black/Blue Sword
  10 – Sword With Green Blade And Red Hilt
  11 – Upgraded Fire Item?
  12 – Glitched (Looks Like Dirt With Grass #1)
  13 – Glitched (Looks Like Dirt With Grass #2)
  14 – Glitched (Looks Like Dirt With Grass #3)
  15 – Glitched (Looks Like Dirt With Grass #4)

  It seems to just display similar items from there, although it is possible more are hidden away.