the game this reminded me so much of is Planescape Torment

That's intentional.

https://twitter.com/studioZAUM/status/1205225193653731328?s=20 and

Inspired by Infinity Engine–era role-playing games, particularly Planescape: Torment, Disco Elysium was written and designed by Karelian-Estonian novelist Robert Kurvitz. https://en.wikipedia.org/wiki/Disco_Elysium#:~:text=Disco%20Elysium%20is%20a%20role,and%20published%20by%20ZA%2FUM.&text=Inspired%20by%20Infinity%20Engine%E2%80%93era,Karelian%2DEstonian%20novelist%20Robert%20Kurvitz.