How to remove When the Past Was Around achievements from Steam on Windows
- Launch run (WIN+R)
- Type the following and press enter: steam://open/console
- In Steam Console that opens, type in the achievement_clear commands below one by one (sadly no batch support seems readily available)
- For some achievements like Open All Windows and Break All Pots, achievement_clear isn't enough, so you will also need to delete your local save file - present at %APPDATA%\LocalLow\Mojiken Studio (%APPDATA% is typicall C:\Users<username>)
achievement_clear 1164050 ACH_BreakPot
achievement_clear 1164050 ACH_Photo
achievement_clear 1164050 ACH_PianoAlt
achievement_clear 1164050 ACH_Tombstone
achievement_clear 1164050 ACH_Curtain
achievement_clear 1164050 ACH_TidyRoom
achievement_clear 1164050 ACH_PostboxBird
achievement_clear 1164050 ACH_IceCream
achievement_clear 1164050 ACH_Biscuit
achievement_clear 1164050 ACH_Radio
achievement_clear 1164050 ACH_SafePass
achievement_clear 1164050 ACH_CreditMelody
achievement_clear 1164050 ACH_Window
achievement_clear 1164050 ACH_Final
achievement_clear 1164050 ACH_PrologueComplete
achievement_clear 1164050 ACH_Ch1Complete
achievement_clear 1164050 ACH_Ch2Complete
achievement_clear 1164050 ACH_Ch3Complete
achievement_clear 1164050 ACH_Ch4Complete
achievement_clear 1164050 ACH_Ch5Complete