The following are known Action Replay Codes for hack//Quarantine Part 4 on Nintendo DS (NDS).

Game ID: YCTE-8C13221A

• Max Score
  021cd804 3b9ac9ff
• Infinite Lives
  221cd800 00000063
• Infinite Continues
  221cd802 00000063

Character Modifier Codes

• Always Bill Rizer
  22269865 00000001
• Always Lance Bean
  22269865 00000002
• Always Mad Dog
  22269865 00000003
• Always Scorpion
  22269865 00000004
• Always Green Silhouette (Glitch)
  22269865 00000005

Codes for Challenge Mode

• All Challenges Unlocked
  2226986f 000000ff
  02269870 ffffffff
• All Challenges Complete
  02269868 ffffffff
  1226986c 0000ffff
• All Bonus Content
  12269876 0000ffff