Half-Life
Codes
Cheat menu cheats
| Effect | Code |
|---|---|
| Up, Triangle, Up, Triangle, Up, Triangle, Up and Triangle | Alien Mode |
| Down, X, Left, O, Down, X, Left, O | Infinite Ammo |
| Left, Square, Up, Triangle, Right, Circle, Down, X | Invincibility |
| Left, Square, Right, Circle, Left, Square, Right, Circle | Invisibility |
| Right, Square, Up, Triangle, Right, Square, Up, Triangle | Slow motion |
| Up, Triangle, Down, X, Up, Triangle, Down, X | Xen gravity |
Contributed By: ElFreakoKid, floydfan, and agreatgamer.
Passwords
Unlock all Decay missions
Go to the Options, then Cheats. To enter the code you must have two controllers.
| Effect | Password |
|---|---|
| p2_R3, p1_L3, p1_up, p1_up, p2_down, p2_down, p1_left, p1_right, p2_left, p2_right, p1_X, p1_O, START | All Decay missions unlocked including bonus mission Xen Attacks |
Contributed By: Hoaxer87.
Unlockables
Bonus Alien Mission
Get an A-grade on all 9 of the Decay missions. If you successfully do this, you'll get to play a 10th level as a Vortigaunt alien. Getting an A-grade on this level will formally unlock the Alien Mode. (Note: the best way to ensure an A-grade for a level is to get at least 25 kills.)
Contributed By: Cold NRG.
Secrets
Uplink Mod
For this code to work, you will need a copy of Playstation Magazine Issue 57 (The one with Jango Fett on the cover) and it's demo disc. From the Half-Life main menu go to option and the the cheats menu. Enter the following cheat: Triangle, Square, Left, Right, Circle, X, Up, Down. It should open an extras menu on the options screen. Go to the extras menu and it should say opening disc tray. When it opens remove the Half-Life disc and put in the issue 57 disc and it should load the Half-Life Uplink Mod. Enjoy!
Contributed By: Bahamut NEO ZERO.
Half-Life Resources
GameFAQs
Visit GameFAQs for more Half-Life, including 14 FAQs, 9 cheats, 35 reviews, 5 game saves, and 2 box shots .
GameSpot
Visit GameSpot for more Half-Life, including 1 review, 5 previews, 10 news stories, 120 screenshots, and 14 gameplay movies .
