I probably wouldn't think so if I tried to go back and play them now, but going by my memories, Half Life 2 and Deus Ex. More for the epic stories than the gameplay tho.
PC Gaming
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- The original Crysis is great
- RE:7 and Village are great
- Fallout New Vegas is the only Fallout game I enjoyed, but I enjoyed it a lot
- Also this definitely doesn't count but imma throw it out anyways: Pathologic 2
Metal: Hellsinger has an interesting take. Wasn't for me but I can see the appeal. Similar to Doom (2016)
Metal Hdllsinger has a very good concent. I prefer a different style of metal, the game seems to favour commercial metal, the bigger names. It sounds like a lot of metalcore, hardcore, and melodic works.
- Halo 2
- Halo 3
- Halo reach
- Half life 2 and all episodes
- Portal 2
- Prey 2006 (yes you read that correctly)
- CoD4
- Titanfall 2
- Perfect dark
- UT2k4
I love FPS's, they're obviously my favorite genre.
S.T.A.L.K.E.R Anamoly is free and a great single player fps with a great vibe to it. Doesn't quite fit your criteria though as I wouldn't say there is much of a campaign. Very interesting dynamic world and AI system though.
Edit. Highly recommend the GAMMA version. Get installation files @ their discord.
Just started playing Trepang2 and so far it's really cool. It's a retro game, but aiming at the early 2000's games like FEAR instead of old raycasting games. It's a lot of fun so far, though i've only finished the first "real" mission, plus a side mission. https://store.steampowered.com/app/1164940/?snr=1_5_9__205
Battlefield: Bad Company 2
I own it and finished a few times but I still play it.