The following are known GameShark Codes for Missile Command on Sony Playstation (PS1).

Classic Mode Codes
• Infinite Missiles (All Pods)
  80032302 2400
• Max Points
  8009C1A8 FFFF
  8009C1AA 000F
• Right Gun (Infinite Ammo)
  8009DC78 000A
• Left Gun (Infinite Ammo)
  8009DBF8 000A
• Center Gun (Infinite Ammo)
  8009DC38 000A
• Never Reload
  8009C1E0 0000
• Indestructible City 1
  8009DCB8 0001
• Indestructible City 2
  8009DCD8 0001
• Indestructible City 3
  8009DCF8 0001
• Indestructible City 4
  8009DD18 0001
• Indestructible City 5
  8009DD38 0001
• Indestructible City 6
  8009DD58 0001
• Indestructible Left Gun
  8009DBFC 0001
• Indestructible Center Gun
  8009DC3C 0001
• Indestructible Right Gun
  8009DC7C 0001

Ultimate Mode Codes

• Infinite Missles (All Pods)
  8004B39A 2400
  80059932 2400
• Max Score
  800C1CD0 FFFF
  800C1CD2 000F
• Max Money
  800C1CDC FFFF
  800C1CDE 000F
• Max Credits
  800C3364 FFFF
• Infinite Ammo
  800AE790 000A
  800AE790 000A
  800AE870 000A
  Note: This code will not work on boss levels but it will begin working after again after you defeat the boss.
• Center Gun (Infinite Ammo)
  800AE790 000A
• Left Gun (Infinite Ammo)
  800AE800 000A
• Right Gun (Infinite Ammo)
  800AE870 000A
• Indestructible City 1
  800AE468 0001
• Indestructible City 2
  800AE4AC 0001
• Indestructible City 3
  800AE4F0 0001
• Indestructible City 4
  800AE534 0001
• Indestructible City 5
  800AE578 0001

Boss Battle Codes

• Center Gun (Infinite Ammo)
  800C1378 000A
• Left Gun (Infinite Ammo)
  800C13E8 000A
• Right Gun (Infinite Ammo)
  800C1458 000A
• Indestructible Left Gun
  800C1374 0001
• Indestructible Center Gun
  800C13E4 0001
• Indestructible Right Gun
  800C1454 0001