Half-Life
Alien Mode -
At the cheat menu press:
Up
Triangle
Up
Triangle
Up
Triangle
Up
Triangle
Xen Gravity -
At the cheat menu press:
Up
Triangle
Down
X
Up
Triangle
Down
X
Invincibility -
At the cheat menu press:
Left
Square
Up
Triangle
Right
Circle
Down
X
Invisibility -
At the cheat menu press:
Left
Square
Right
Circle
Left
Square
Right
Circle
Slow-motion Mode -
At the cheat menu press:
Right
Square
Up
Triangle
Right
Square
Up
Triangle
Infinite Ammunition -
At the cheat menu press:
Down
X
Left
Circle
Down
X
Left
Circle
Gameshark Codes -
Master Code (Must Be On):
EC8783A8
1431D934
Unlock Infinite Ammo Cheat:
4CA57372
1456F025
Unlock Alien Mode Cheat:
4CA573BA
1456F025
Unlock Xen Gravity Cheat:
4CA57342
1456F025
Unlock Invincibility Cheat:
4CA5735A
1456F025
Unlock Invisibility Cheat:
4CA5738A
1456F025
Unlock Slow-Motion Cheat:
4CA573A2
1456F025
More tricks, tips and cheats for this game are right here - Half-Life cheats
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