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Minimum * 233 MHz 63 Processor * 50 MB of Free Memory * 164 MB Free Hard Drive Space * OpenGL compatible video card (4 MB of video memory) |
Recommended * 400 MHz 64 Processor * 128 MB of Free Memory * 400 MB Free Hard Drive Space * 3dfx Voodoo3 / Rage 128 Pro accelerator or other (16 MB Video Card) * Multiple button mouse recommended |
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For Multiplayer * Network card * LAN connection to other users | OR |
* Internet connection * 56Kbps modem minimum |
| Marine | Training - Acid blood does no damage, Medikit and Ammunition pick-ups are plentiful, 8 saves allowed. |
|---|---|
| Realistic - Acid blood does full damage, Medikit and Ammunition pick-ups are normal, 4 saves allowed. | |
| Director's Cut - Acid blood does full damage, Medikit and Ammunition pick-ups are rare, enemies are more savage, 2 saves allowed. | |
| Predator | Training - Acid blood does no damage, enemies are easier, 8 saves allowed. |
| Realistic - Acid blood does full damage, enemies are normal enemies, pick-ups are normal, 4 saves allowed. | |
| Director's Cut - Acid blood does full damage, enemies are more savage, pick-ups are rare, recharge is slow, 2 saves allowed. | |
| Alien | Training - More energy from claw attacks, enemies armed with light weapons, 8 saves allowed. |
| Realistic - Less energy from claw attacks, enemies armed with normal weapons, 4 saves allowed. | |
| Director's Cut - No energy from claw attacks, enemies armed with heavier weaponry, 2 saves allowed. |
| Training | Realistic | Director's Cut | |
| Bonus 1 | * | * | * |
| Bonus 2 | * | * | * |
| Bonus 3 | * | * | |
| Bonus 4 | * | * | |
| Bonus 5 | * |
| Human | Android | Xenoborg | Predator | PredAlien | Facehugger | Alien | Praetorian | Alien Queen | |
| Marine | VS | VS | VS | VS | VS | VS | VS | Predator | VS | VS | VS | VS | VS | VS | VS | VS | Alien | VS | VS | VS | VS |
| ACTION: | FIRST: | SECOND: |
| Forward | Up Arrow | W |
| Backward | Down Arrow | S |
| Turn Left | Number Pad 4 | |
| Turn Right | Number Pad 6 | |
| Strafe | Left-Shift | |
| Strafe Left | Left Arrow | A |
| Strafe Right | Right Arrow | D |
| Look Up | Q | Number Pad 8 |
| Look Down | Z | Number Pad 2 |
| Center View | X | Number Pad 5 |
| Walk | Left-Option | |
| Crouch | C | |
| Jump | Space | Mouse 3 |
| Operate (Use) | Return | |
| Fire Primary | Mouse 1 | Number Pad 0 |
| Fire Secondary | Left-Control | Mouse 2 |
| Next Weapon | ] "Right Square Bracket" | Mousewheel Up |
| Previous Weapon | [ "Left Square Bracket" | Mousewheel Down |
| Flashback Weapon | Backspace | |
| Image Intensifier | / "Slash" | |
| Throw Flare | . "Period" | |
| JetPack | ' "Apostrophe" | |
| Taunt | ; "Semicolon" | |
| Message History | F1 | |
| Say | F11 | |
| Species Say | F12 | |
| Show Scores | Tab | |
| AutoWeapon Change | Yes / No |
| ACTION: | FIRST: | SECOND: |
| Forward | Up Arrow | W |
| Backward | Down Arrow | S |
| Turn Left | Number Pad 4 | |
| Turn Right | Number Pad 6 | |
| Strafe | Left-Shift | |
| Strafe Left | Left Arrow | A |
| Strafe Right | Right Arrow | D |
| Look Up | Q | Number Pad 8 |
| Look Down | Z | Number Pad 2 |
| Center View | X | Number Pad 5 |
| Walk | Left-Option | |
| Crouch | C | |
| Jump | Space | Mouse 3 |
| Operate (Use) | Return | |
| Claw | Mouse 1 | Number Pad 0 |
| Tail | Left-Control | Mouse 2 |
| Navigate / Hunt Toggle | / "Slash" | |
| Taunt | . "Period" | |
| Message History | F1 | |
| Say | F11 | |
| Species Say | F12 | |
| Show Scores | Tab |
| ACTION: | FIRST: | SECOND: |
| Forward | Up Arrow | W |
| Backward | Down Arrow | S |
| Turn Left | Number Pad 4 | |
| Turn Right | Number Pad 6 | |
| Strafe | Left-Shift | |
| Strafe Left | Left Arrow | A |
| Strafe Right | Right Arrow | D |
| Look Up | Q | Number Pad 8 |
| Look Down | Z | Number Pad 2 |
| Center View | X | Number Pad 5 |
| Walk | Left-Option | |
| Crouch | C | |
| Jump | Space | Mouse 3 |
| Operate (Use) | Return | |
| Fire Primary | Mouse 1 | Number Pad 0 |
| Fire Secondary | Left-Control | Mouse 2 |
| Next Weapon | ] "Right Square Bracket" | |
| Previous Weapon | [ "Left Square Bracket" | |
| Flashback Weapon | Backspace | |
| Cloak | . "Period" | |
| Cycle Vision Modes | / "Slash" | |
| Zoom In | Page Up | Mousewheel Up |
| Zoom Out | Page Down | Mousewheel Down |
| Grappling Hook | ' "Apostrophe" | |
| Recall Disc | , "Comma" | |
| Taunt | ; "Semicolon" | |
| Message History | F1 | |
| Say | F11 | |
| Species Say | F12 | |
| Show Scores | Tab |