Divinity: Original Sin 2

20 highest rated games from unplayed games Xtra long games (50+ hours)
55 of 97 achievements (56%)

Jagged Alliance Flashback

Very Long games (25-50 hours)
11 of 24 achievements (46%)

Magicka

Steam deck games Xtra long games (50+ hours)
26 of 88 achievements (30%)

Magicka 2

Very Long games (25-50 hours)
5 of 47 achievements (11%)

Tick Tock: A Tale for Two

Short games (2-8 hours)
no achievements