Top 20-ish 22 games
The Binding of Isaac: Rebirth
640 of 640 achievements (100%)
Red Dead Redemption 2
20 of 51 achievements (40%)
Grand Theft Auto: San Andreas
no achievements
Papers, Please
6 of 13 achievements (47%)
Portal
5 of 15 achievements (34%)
Portal 2
18 of 51 achievements (36%)
Half-Life: Source
no achievements
Mirror's Edge
no achievements
POSTAL 2
11 of 89 achievements (13%)
Orwell
15 of 27 achievements (55%)
Mafia II (Classic)
24 of 67 achievements (36%)
South Park™: The Stick of Truth™
24 of 50 achievements (48%)
Worms Reloaded
4 of 61 achievements (7%)
Gothic 1 Classic
no achievements
Mass Effect 2 (2010)
no achievements
Helltaker
10 of 10 achievements (100%)
Heroes of Might & Magic III - HD Edition
0 of 13 achievements (0%)
Outer Wilds
7 of 31 achievements (23%)
Life Is Strange
18 of 60 achievements (30%)
