Here is the full list of all 51 Miasma Chronicles achievements.
Complete the game in any difficulty.
Complete the game in 'Full Tactical' mode.
Defeat Quendyl Zen.
Complete the codex.
Kill a Mimic Shadow with the character that it is mimicking.
Access the First Factory.
Complete all side quests.
Meet all of the Watchers.
Unlock all enemy codex entries.
Collect every treasure.
Speak to all the Originals robots.
Collect all Miasma types.
Reach Level 25.
Defeat Diesel D.
Recruit mayor Mason.
Win the Gauntlet.
Give a helping hand.
Kill 20 Robots.
Recruit Bha Madhi.
Kill 10 collectors.
Kill your first collector.
Save the town from the Miasma.
Collect 4 types of Miasma.
Kill 10 Mimics.
Kill Matt Kain.
Kill Dick Charlsen.
Kill Tragul.
Kill 20 Whisperer adults or saplings.
Kill 4 enemies with Overwatch in the same turn.
Silently kill 15 enemies.
Kill 20 Thievers.
Recruit Jade.
Collect the Miasma Vortex.
Kill 20 Frog Monsters.
Successfully complete your first tactical encounter.
Complete the game in 'Alpha Editor' difficulty.
Complete the game on 'Alpha Editor' difficulty with 'Full Tactical' mode enabled.
Shrink, burn, and inflict acid damage to an enemy at the same time.
Kill 5 enemies with one action.
Kill an enemy with a bouncer after bouncing off a friend.
Push an enemy into a burning or acid area with a Knockback Grenade.
Set 3 enemies on fire at the same time with a Napalm Deathcan.
Kill an enemy with fall damage.
Kill 5 enemies with a single frag grenade.
Kill a Whisperer with a Sapling Grenade.
Kill 5 enemies with direct damage from a single shotgun blast.
Kill 5 enemies with an Assault Rifle without reloading.
Steal 250 plastic during a single combat encounter.
Kick the ball into the goal.
Enter Club 14 with custom outfits assigned to all party members.
Counterpunch a Counterpunch.