Full list of all 39 The Medium achievements worth 1,000 gamerscore. It takes around 8-10 hours to unlock all of the achievements on Xbox Series X|S.
Achievements they've won
Achievements they've not won
Acquire the bolt cutters.
Use Insight for at least 15 minutes.
Use a mirror to cross over.
Survive a monstrous encounter.
Inspect 100 objects in a single playthrough.
Find a note from a troubled man.
Burn through the moths using Spirit Shield.
Acquire the razor.
Find a page from a mentor's diary.
Reconstruct a Memory Shard.
Spend 10 minutes outside your body.
Run 2 kilometers.
Inspect 50 objects in a single playthrough.
Find an Echo of a mysterious caller.
Find an Echo.
Reach the hotel.
Use Spirit Blast to create electricity.
Find a postcard from the groundskeeper.
Send Jack's spirit away.
Inspect 25 objects in a single playthrough.
Feed the cat in Jack's apartment.
Experience your first vision of Thomas.
Send the Childeater away.
Find the Red House.
Experience your second vision of Thomas.
Send the Hound away.
Uncover the mystery of the burned down house
Make it through the pump station.
Complete the broken mirror.
Finish the game.
Find all Echoes in a single playthrough.
Reconstruct all Memory Shards in a single playthrough.
Find all pages from Richard's diary in a single playthrough.
Find all of Thomas' notes in a single playthrough.
Find all of Frank's postcards in a single playthrough.
Find all of Henry's Echoes in a single playthrough.
Escape the creature without alerting it.
Defeat the creature in the flooded ruins.