Action Replay Codes [US]

Commander Keen - Action Replay Codes [US]

The following are known Action Replay Codes for Commander Keen on Nintendo Game Boy / Color (GB / GBC). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

Infinite Lives
916334c9

Infinite Continues
91633dc9

Max Score
917f35c9
919636c9
919837c9

Have All Keys
91ff95c9

Have All 3 Crystals
91ff3ac9
91ff3bc9

Do you know any additional codes for this game? Is there an error listed above? Let us know about it and we’ll update the list.
Code Indexes for Nintendo Game Boy / Color (GB / GBC) Want an Action Replay for Nintendo Game Boy or Game Boy Color? Click here to find it on Amazon!