Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Anything Goes	Step into the arena.
Arachnofarming	Unleash an army of domestic spiders.
Ares	Complete all level 20 arenas.
Baby Steps	First bronze medal.
Barely Alive	All perfect tourist.
Brilliant	First platinum medal.
Can't Touch This	Activate invulnerability.
Challenger	Complete a level 10 arena.
Champion	Complete a level 20 arena.
Chop Chop	First wood medal.
Earthly Pleasures	Defeat the Earth giant.
Eternal	All perfect serious.
Getting Caught in a Laser Storm	Fire an orbital laser storm.
Give Me a Break	Activate time stop.
Gladiator	Complete a level 15 arena.
Good for Your Health	Use the portable medkit.
Hardcore	All perfect normal.
Hero This Galaxy Can't Afford	All 5 platinum medals.
Hero This Galaxy Deserves	All 5 gold medals.
Hero This Galaxy Needs	All 5 silver medals.
Hoplite	Complete all level 10 arenas.
I Should Buy a Boat	Activate money time.
Immortal	All perfect hard.
Indestructible	First perfect serious.
Just a Flesh Wound	Complete a planet without healing.
Leonidas	Complete all level 15 arenas.
Look Ma, I Saved The Galaxy!	All 5 bronze medals.
Lumberjack	All 5 wood medals.
Mental Breakdown	Defeat the giant anomaly.
Mesmerising	Fire the orbital psi laser.
Misdirection	Deploy a dummy decoy.
Nobody Steps On Me	Defeat the giant mummy.
One Order of Dead Enemies	Detonate a serious bomb.
Over the Top	Activate rage.
Perfection	First perfect normal.
Piece of Cake	First silver medal.
Please Just Die Already	Activate serious damage.
Plz No Kill	First perfect tourist.
Poultry Connoisseur	Defeat the Shaanti dragon.
Presence	Step into the battlecruiser Saratoga.
Quadcopters are In	Deploy a drone squad.
Remote Debugger	Defeat the giant Swamp Hive.
Shiny	First gold medal.
Skilled	Unlocked a skill.
Skillful	Unlocked the entire skill tree.
Soldier	Complete a level 5 arena.
Spartan	Complete all level 5 arenas.
Still Alive	First perfect easy.
Strength in Numbers	Complete a co-op game.
Stunning	Fire the orbital stun field.
Survivor	All perfect easy.
Undying	First perfect hard.
When Two Miniguns Aren't Enough	Deploy a defense turret.
With a Little Help from Saratoga	Fire an orbital laser strike.
Without a Scratch	Complete a mission on hard without taking any damage.