<br><table width='100%' cellpadding=3 cellspacing=3 border=0><tr valign='top'><th>Achievement</th><th>How to unlock
</th></tr><tr valign='top'><td>3×50 (30 points)</td><td>In any single level, purge at least 150 enemies, killing a minimum of 50 with each weapon type.
</td></tr><tr valign='top'><td>Aint No Rookie (10 points)</td><td>Complete the boot-camp without taking damage.
</td></tr><tr valign='top'><td>All Hail The G Man (50 points)</td><td>Complete 40 pages of endurance in hard mode.
</td></tr><tr valign='top'><td>Army Of One (50 points)</td><td>Kill 10,000 martians.
</td></tr><tr valign='top'><td>Boom Boom (30 points)</td><td>Use a launcher weapon to kill 10 martians in a single blast.
</td></tr><tr valign='top'><td>Completist (40 points)</td><td>Complete the game in all three difficulty settings.
</td></tr><tr valign='top'><td>Crispy (10 points)</td><td>Purchase the lightning gun.
</td></tr><tr valign='top'><td>Fully Loaded (40 points)</td><td>Get 2000 rounds of ammo into your minigun.
</td></tr><tr valign='top'><td>Getting Started (10 points)</td><td>Kill 1,500 martians.
</td></tr><tr valign='top'><td>Gifted (10 points)</td><td>Complete 10 pages of endurance in easy mode.
</td></tr><tr valign='top'><td>Hat Trick (30 points)</td><td>Upgrade all three weapon-types in a single visit to a vending machine.
</td></tr><tr valign='top'><td>High Flier (20 points)</td><td>Collect all meteor rocks in a chapter.
</td></tr><tr valign='top'><td>Home Coming (20 points)</td><td>Complete the army-base chapter.
</td></tr><tr valign='top'><td>Ka-boom (10 points)</td><td>Purchase the plasma launcher.
</td></tr><tr valign='top'><td>Martian Purger (30 points)</td><td>Kill 5,000 martians.
</td></tr><tr valign='top'><td>Mean Streets (30 points)</td><td>Complete the city chapter.
</td></tr><tr valign='top'><td>No Sweat (20 points)</td><td>Complete 20 pages of endurance in normal mode.
</td></tr><tr valign='top'><td>Pacifist (30 points)</td><td>Complete a level without firing a weapon or receiving any damage.
</td></tr><tr valign='top'><td>Rooted (40 points)</td><td>In story mode, city chapter, defend one spot turning left and right, but don't move for 2 mins.
</td></tr><tr valign='top'><td>Rush-a-holic (40 points)</td><td>Grab all rush crates in story mode.
</td></tr><tr valign='top'><td>Space Marine (10 points)</td><td>Complete the Moon chapter.
</td></tr><tr valign='top'><td>Super Market Sweep (40 points)</td><td>Buy all available items in a single visit to a vending machine.
</td></tr><tr valign='top'><td>Sustain (30 points)</td><td>Purge 50 enemies in a single beam-attack (one press of the fire button).
</td></tr><tr valign='top'><td>To The Teeth (30 points)</td><td>Purchase all weapons.
</td></tr><tr valign='top'><td>Vending Machine Ping Pong (30 points)</td><td>In story mode, army-base chapter, access both vending machines, alternating between them 5 times.
</td></tr><tr valign='top'><td>Yeah Baby (10 points)</td><td>Purchase the minigun.
</td></tr></table>
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