Here is the full list of all 50 Ticket to Earth achievements.
Collect 10,000 tiles.
Defeat Test Subject Six.
Use Rose's Flanking Ability to get a backstab kill.
Defeat 500 Criminals.
Purchase either Harmony Blade or factoRBlack Vapour Rifle.
Defeat Test Subject Seven.
Heal a mutant by trying to apply a Poison effect.
Trigger a Justice Power 10 times.
Run through Black Nitrium tiles to recover a Health Booster.
Complete all missions set in The Garden.
Defeat Leonard Turner, AKA Torcha.
Defeat 200 Criminals.
Make a DRILL Unit kill another enemy.
Get 2 kills with Ricochet.
Complete a solo mission with only 1HP remaining.
Score a 4-of-a-kind with Wolf's Lucky Shot power.
Purchase your first Weapon.
Defeat an enemy with crate splash-damage.
Defeat 100 Criminals.
Collect 1,000 tiles.
Purchase your first Talent.
Defeat an enemy with Fire or Poison damage.
Attack a stunned enemy for double-damage.
Purchase your first Power.
Recover a stolen Justice Token or Nitrium Shard.
Use a Heath Booster to get rid of Poison or Fire effects.
Collect a Pickup that was about to expire.
Enlisted as a Peace Keeper.
Collect 100 tiles.
Move a path of 10 tiles or longer.
Charge a weapon to Max Damage.
Defeat an enemy with Reflected damage.
Defeat a mutant with the Detox power.
Complete a level with Harvester disabled.
Defeat 1,000 Criminals.
Defeat 5,000 Criminals.
Defeat 10,000 Criminals.
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.
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.
Collect all nitrium shards in Episode 2.
Collect every Talent Token in Episode 3.
Collect all nitrium shards in Episode 3.