Here is the full list of all 25 Alone With You achievements.
Scan all 28 colony members
Find all of the hand-drawn schematics throughout Colony B.
Find all of the key artifacts throughout the Agro-domes.
Reveal the full story of the bittersweet work romance.
Find all of the important mementos throughout the Caves.
Find all of the story pages throughout the Comms Relay.
Impress your companion with your knowledge of weather.
Discover a moment of reconciliation
You like it so far?
Complete your first mission.
Unlock all achievements in Alone With You.
Complete the first week's worth of missions.
Make it through the second week's missions.
Finish the third week's missions.
Tell Winnie about William's feelings for her.
Apologize for doubting a companion.
Spend all three special simulations with one hologram, and let them know you care.
Commit to Winnie Laurier, find all her mementos, and choose to escape.
Commit to Pierre Tong, find all his mementos, and choose to escape.
Commit to Leslie Bharadwaj, find all her mementos, and choose to escape.
Commit to Jean Lumumba, find all his mementos, and choose to escape.
Spend each special simulation with a different companion.
Commit to no other companion, choose to stay behind with the AI.
Escape the planet.
Stay behind with the AI.