Here is the full list of all 50 Last Will achievements.
Complete the transfer chamber.
Complete the Chaos Gauntlet with over 30 minutes to spare.
Complete a full run of the Chaos Gauntlet within the time limit.
Deliberately take out the entire mansion, and whatever may be lost with it.
Become the professor of the Gladsbury Estate.
Reject the will and your inheritance.
Unlock a hundred doors.
Complete the third episode with over 30 minutes to spare.
Complete the greenhouse.
Complete a full run of episode 3 within the time limit.
Complete the conservatory.
Complete the isolated study.
Complete the pantry.
Complete the workshop.
Complete the master bedroom.
Ensure no drawer, panel or door is left open in a successful multiplayer game.
Complete a full run of episode 2 within the time limit.
Complete the second episode with over 30 minutes to spare.
Complete the bunker room.
Complete the wine cellar.
Complete the storage cellars.
Complete the darkroom.
Complete the chapel.
Complete the archives.
Complete the old tower.
Complete the chess room.
Open 50 doors.
Complete the study parlor.
Complete the office.
Complete a full run of episode 1 within the time limit.
Complete the first episode with over 30 minutes to spare.
Complete the guest wing.
Complete the game room.
Complete the library.
Complete the passageway.
Complete the dining hall.
Complete the entrance hall.
Watch the prologue.
Completed all four episodes within the time limit.
Complete any act with a full team in under 40 minutes.
Complete a full run of episode 4 within the time limit.
Complete the fourth episode with over 30 minutes to spare.
Witness another player complete the transfer.
Listen to your first audio recording.
Complete the laboratory.
Complete the observatory.
Complete the south garret.
Complete the gallery.
Open your first door in the mansion.
Enter the mansion with a full team of four players.