Kill 20 Whisperer adults or saplings.
Kill Matt Kain.
Kill 4 enemies with Overwatch in the same turn.
Silently kill 15 enemies.
Kill 20 Theevers.
Collect the Miasma Vortex.
Successfully complete your first tactical encounter.
Complete the game in any difficulty.
Complete the game on 'Alpha Editor' difficulty.
Complete the game in 'Full Tactical' mode.
Complete the game on 'Alpha Editor' difficulty with 'Full Tactical' mode enabled.
Meet all of the Watchers.
Win the Gauntlet.
Access the First Factory.
Collect 4 types of Miasma.
Reach Level 25.
Collect all Miasma types.
Meet every type of enemy.
Collect every treasure.
Complete the codex.
Kill your first Collector.
Kill 10 Collectors.
Kill 10 Mimics.
Kill 20 Robots.
Shrink, burn and poison an enemy at the same time.
Kill 5 enemies with one action.
Push an enemy into a burning or acid area with a Knockback Grenade.
Kill a Mimic Shadow with the character that it is mimicking.
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.
Complete all side quests.
