G:Arcade's Greatest Hits: The Atari Collection 2

T:Millipede

C:Infinite Lives|8016782A 0203|All by alanlav@flash.net|

T:Gauntlet

T:Wizard Codes

C:Infinite Health|801D7DD0 07CC|All by alanlav@flash.net|Gauntlet codes tested on single player only. They will not work if you combine say, Elf and Wizard codes. Use the Elf, Wizard, Valkyrie and Warrior codes separately.
C:Infinite Keys|80193762 0001|All by alanlav@flash.net|For the key and potion codes, the keys and potions are not always visible on inventory screen, but they are there!
C:Infinite Potion|80193416 0001

T:Elf Codes

C:Infinite Health|801D7DD4 07CC
C:Infinite Keys|80193762 0100
C:Infinite Potion|80193416 0100

T:Warrior Codes

C:Infinite Health|801D7DC8 07CC
C:Infinite Keys|80193760 0001
C:Infinite Potion|80193414 0001

T:Valkyrie Codes

C:Infinite Health|801D7DCC 07CC
C:Infinite Keys|80193760 0101
C:Infinite Potion|80193414 0101

T:Paperboy

C:Infinite Papers|801E2540 000A
C:Infinite Lives|801E2388 0004
C:Start With A Score Of 65,535|801E237C FFFF

T:Crystal Castle

C:Infinite Lives|80170F8A 0003
C:Invincible|80170F90 0800

T:Marble Madness

C:Infinite Time|80133C7C 0063

T:Roadblasters

C:Infinite Fuel|8014FA10 00DB
C:Invincible|8014F4C4 0041
C:Infinite Special Weapon Ammo|8014F47C 0019
C:Have Nitro Injector|8014F594 0001
C:Have Cruise Missiles|8014F594 0002
C:Have Electric Field|8014F594 0003
C:Have VZ Cannon|8014F594 0004
