| Achievement | How to unlock
|
|---|
| - In any single level, purge at least 150 enemies, killing a minimum of 50 with each weapon type.
|
- Aint No Rookie ( 10 points )
| - Complete the boot-camp without taking damage.
|
- All Hail The G Man ( 50 points )
| - Complete 40 pages of endurance in hard mode.
|
- Army Of One ( 50 points )
| |
| - Use a launcher weapon to kill 10 martians in a single blast.
|
| - Complete the game in all three difficulty settings.
|
| - Purchase the lightning gun.
|
- Fully Loaded ( 40 points )
| - Get 2000 rounds of ammo into your minigun.
|
- Getting Started ( 10 points )
| |
|
| - Complete 10 pages of endurance in easy mode.
|
| - Upgrade all three weapon-types in a single visit to a vending machine.
|
| - Collect all meteor rocks in a chapter.
|
- Home Coming ( 20 points )
| - Complete the army-base chapter.
|
| - Purchase the plasma launcher.
|
- Martian Purger ( 30 points )
| |
- Mean Streets ( 30 points )
| - Complete the city chapter.
|
| - Complete 20 pages of endurance in normal mode.
|
| - Complete a level without firing a weapon or receiving any damage.
|
| - In story mode, city chapter, defend one spot turning left and right, but don't move for 2 mins.
|
- Rush-a-holic ( 40 points )
| - Grab all rush crates in story mode.
|
- Space Marine ( 10 points )
| - Complete the Moon chapter.
|
- Super Market Sweep ( 40 points )
| - Buy all available items in a single visit to a vending machine.
|
| - Purge 50 enemies in a single beam-attack (one press of the fire button).
|
- To The Teeth ( 30 points )
| |
- Vending Machine Ping Pong ( 30 points )
| - In story mode, army-base chapter, access both vending machines, alternating between them 5 times.
|
| |
