Here is the full list of all 25 Alone With You trophies - there are 8 bronze, 9 silver, 7 gold and 1 platinum.
Unlock all trophies.
Commit to no other companion, choose to stay behind with the AI.
Stay behind with the AI.
Spend each special simulation with a different companion.
Commit to Pierre Tong, find all his mementos, and choose to escape.
Find all of the hand-drawn schematics throughout Colony B.
Commit to Leslie Bharadwaj, find all her mementos, and choose to escape.
Reveal the full story of the bittersweet work romance.
Commit to Jean Lumumba, find all his mementos, and choose to escape.
Find all of the key artifacts throughout the Agro-domes.
Find all of the important mementos throughout the Caves.
Impress your companion with your knowledge of weather.
Commit to Winnie Laurier, find all her mementos, and choose to escape.
Escape the planet.
Finish the third week's missions.
Spend all three special simulations with one hologram, and let them know you care.
Scan all 28 colony members.
Apologize for doubting a companion.
Find all of the story pages throughout the Comms Relay.
Make it through the second week's missions.
Discover a moment of reconciliation
You like it so far?
Complete the first week's worth of missions.
Tell Winnie about William's feelings for her.
Complete the first Comms Relay mission.