Personal Favorites, Top 20...or something, do recommend 19 games

Hades

Action roguelite/like's Added to Library in 2017-2019
17 of 49 achievements (35%)

The Last Spell

Added to Library in 2020-2021 Turn Based Tactics very long 25hrs+
no achievements

Rogue Legacy

Action roguelite/like's Added to Library in 2014 Metroidvania's very long 25hrs+
29 of 29 achievements (100%)

Path of Exile

Added to Library in 2014 Do not pick - own and/or beaten on other platform/version Isometric ARPG's
100 of 127 achievements (78%)

Mass Effect™ Legendary Edition

Added to Library in 2023 have tons of playtime from before I got steam version/needed to crack for modding so proper tracking gone very long 25hrs+
0 of 127 achievements (0%)

Hellblade: Senua's Sacrifice

Action/Adventure Added to Library in 2023 Humble Choice/Monthly games Short up to 8hr Won on SteamGifts
13 of 14 achievements (92%)

Sid Meier's Civilization VI

Added to Library in 2020-2021 Do not pick - Just one more turn... 4X games Humble Choice/Monthly games
50 of 320 achievements (16%)

Terraria

Added to Library in 2010-2012
0 of 115 achievements (0%)

Bastion

Added to Library in 2010-2012 Hack and Slash Short up to 8hr
11 of 24 achievements (46%)

Borderlands 2

Added to Library in 2013 Shooters very long 25hrs+
32 of 75 achievements (43%)

Fallout: New Vegas

Added to Library in 2013 have tons of playtime from before I got steam version/needed to crack for modding so proper tracking gone Shooters very long 25hrs+
2 of 75 achievements (3%)

Tomb Raider

Action/Adventure Added to Library in 2013 Humble Choice/Monthly games Medium 8-15hr
19 of 50 achievements (38%)

Darksiders Warmastered Edition

Added to Library in 2010-2012 Hack and Slash long 15-25hr
30 of 43 achievements (69%)

HoloCure - Save the Fans!

Action roguelite/like's Added to Library in 2023
85 of 97 achievements (87%)

Celeste

Added to Library in 2023 Do Not Pick - Precision Platformers Medium 8-15hr Won on SteamGifts
32 of 32 achievements (100%)

Minute of Islands

Added to Library in 2023 Short up to 8hr Won on SteamGifts
17 of 17 achievements (100%)

Death Must Die

Action roguelite/like's Added to Library in 2023 long 15-25hr
49 of 49 achievements (100%)

Symphony of War: The Nephilim Saga

Added to Library in 2023 has untouched NG+ Humble Choice/Monthly games Turn Based Tactics very long 25hrs+
19 of 19 achievements (100%)

Adabana Odd Tales

Added to Library in 2023 Medium 8-15hr Treat as completionist for length - Visual Novels
no achievements