Battle Begins
Not unlocked yetCompleted the simulator.
Encounter
Not unlocked yetCleared the Experiment Zone.
Survival
Not unlocked yetReturned to base for the first time.
Preparations
Not unlocked yetUpgraded equipment for the first time.
Crisis
Not unlocked yetCleared the Medical Zone.
Challenge
Not unlocked yetFully upgraded a piece of equipment.
Collection
Not unlocked yetOwned more than 50 types of equipment.
Homeward Bound
Not unlocked yetCleared the Landing Port.
Volition
Not unlocked yetDealt 9999 damage in one attack.
Visitor From Mars
Not unlocked yetReached the ending (Arrival of Winter) on Normal difficulty.
Body of Man, Body of Machine
Not unlocked yetReached the ending (Coming of Spring) on Normal difficulty.
Nameless One
Not unlocked yetReached the ending (Arrival of Winter) on Hard difficulty.
Heart of Man, Heart of Machine
Not unlocked yetReached the ending (Coming of Spring) on Hard difficulty.
Ruler of Life
Not unlocked yetReached the ending (Arrival of Winter) on Extreme difficulty.
Individual Thoughts
Not unlocked yetReached the ending (Coming of Spring) on Extreme difficulty.
Scars of Mars
Not unlocked yetUnlocked all achievements.