Here is the full list of all 50 Ticket to Earth achievements.
Purchase your first Talent.
Recover a stolen Justice Token or Nitrium Shard.
Collect a Pickup that was about to expire.
Move a path of 10 tiles or longer.
Enlisted as a Peace Keeper.
Charge a weapon to Max Damage.
Collect 100 tiles.
Purchase your first Power.
Purchase your first Weapon.
Defeat Leonard Turner, AKA Torcha.
Defeat Test Subject Six.
Defeat Test Subject Seven.
Complete all missions set in The Garden.
Defeat an enemy with Fire or Poison damage.
Attack a stunned enemy for double-damage.
Defeat an enemy with Reflected damage.
Defeat a mutant with the Detox power.
Defeat an enemy with crate splash-damage.
Complete a level with Harvester disabled.
Run through Black Nitrium tiles to recover a Health Booster.
Get 2 kills with Ricochet.
Defeat 100 Criminals.
Defeat 200 Criminals.
Defeat 500 Criminals.
Defeat 1,000 Criminals.
Defeat 5,000 Criminals.
Defeat 10,000 Criminals.
Collect 1,000 tiles.
Collect 10,000 tiles.
Trigger a Justice Power 10 times.
Trigger a Justice Power 25 times.
Trigger a Justice Power 50 times.
Trigger a Justice Power 100 times.
Collect every Talent Token in Episode 1.
Collect every Talent Token in Episode 2.
Use a Heath Booster to get rid of Poison or Fire effects.
Use Rose's Flanking Ability to get a backstab kill.
Heal a mutant by trying to apply a Poison effect.
Complete a solo mission with only 1HP remaining.
Score a 4-of-a-kind with Wolf's Lucky Shot power.
Purchase either Harmony Blade or factoRBlack Vapour Rifle.
Complete Episode 1 without purchasing a weapon upgrade for Rose.
Complete Episode 1 without purchasing a weapon upgrade for Wolf.
Reflect a mutant's puke back onto itself. Gross.
Make a DRILL Unit kill another enemy.
Collect all nitrium shards in Episode 2.
Collect every Talent Token in Episode 3.
Collect all nitrium shards in Episode 3.