Here is the full list of all 41 Krater achievements.
Reach rank 15
Discover 30 locations
Visit Westerfall
Discover 20 locations
Craft an item
Discover 10 locations
Kill 10 Vildhunds
Recruit a Character
Use Team Management
Complete the Tutorial
Defeat Bloodclot
Amass a fortune of 100000 kr
Visit Frisktorp
Visit Solside City
Discover 40 locations
Join a coop mission
Kill Roger and his pet
Kill ElectroBert
Kill Cortex
Equip one Slow booster in a Medikus' Healing orb ability.
Equip three Damage boosters in a Bruiser's Stomp ability.
Equip three Damage boosters in a Regulator's Area slow ability.
Equip one Stamina booster in a Regulator's Area slow ability.
Recruit Yimmie
Reach level 45 in the dungeon Limbo
Defeat Bloodclot in hardcore mode
Equip one Strength booster in a Medikus' Nano Stream ability.
Equip three Healing boosters in a Regulator's Area slow ability
Kill 8 enemies in 10 seconds
Equip one Slow booster in a Bruiser's Cleave ability.
Equip one Slow booster in a Regulator's Tag ability.
Equip three Healing boosters in a Bruiser's Stomp ability.
Recruit a mutant Medikus
Equip three Damage boosters in a Medikus' Healing Orb ability.
Equip three Defense booster in a Medikus' Heal ability.
Complete “Stark raving mad” quest
Recruit a mutant Regulator
Recruit a mutant Bruiser
Equip one Strength booster in a Slayer's Lacerate ability.
Equip three Healing boosters in a Slayer's Perforate ability.
Complete the “The Wretched Hive” quest