GameShark Codes

The following are known GameShark Codes for Half-Life on Sony Playstation 2 (PS2).

1. Master Code – Must Be On
   EC8783A8 1431D934
2. Unlock Alien Mode
   4CA573BA 1456F025
3. Unlock Infinite Ammo
   4CA57372 1456F025
4. Unlock Invincibility
   4CA5735A 1456F025
5. Unlock Invisibility
   4CA5738A 1456F025
6. Unlock Slow Motion
   4CA573A2 1456F025
7. Unlock Xen Gravity
   4CA57342 1456F025

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.

Find more Game Shark Codes for Sony Playstation 2 (PS2) and other consoles in the GameShark Code Index.

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