I've been trying to play games from all the main genres present on steam. Here is my progress (Some of the games that I played that aren't on Steam):
1) Action Games
- Hotline Miami (just action I guess)
-Super Smash Bros Ultimate (planning on playing a Street Fighter game) (fighting & martial arts)
- planning on playing DMC (Hack'n'Slash)
- Celeste (Platformer & Runner)
- Half Life 1 & Half Life 2, Battlefield 1(First Person Shooter)
- MGS1, 2, 3, a bit of 4, and MGSV (Third Person Shooter)
- No idea what to play yet but I have played a bit of Touhou in the past (shmup)

2) Adventure Games
- planning on playing Cyberpunk 2077 (adventure rpg)
- Planning on playing stardew valley (casual)
- planning on playing The Room (Hidden Object)
-Planning on playing Hollow Knight (Metroidvania)
-Portal 1 and planning on playing 2 (Puzzle)
-Omori (Story-Rich)
-Persona 4 Golden (Visual Novel)

3) Role-Playing Games
- planning onCyberpunk 2077 (Action RPG)
- planning on playing Cyberpunk 2077 (Adventure RPG)
- Persona 4 Golden (JRPG)
- Persona 4 Golden (Party-Based)
- planning on playong Hades (Rogue-Like)
- planning on playing Loop Hero (Strategy RPG)
- Persona 4 Golden (Turn-Based)

4) Simulation Games
- Planning on playing Turing Complete(Building & Automation)
- Persona 4 Golden (half of the game is about managing your social life) (Dating)
- planning on playing Stardew Valley (Farming & Crafting)
- planning on playing Papers, please(Hobby & Job)
- planning on playing Stardew Valley (Life & immersive)
- Terraria and Garry's Mod (sandbox & Physics)
- Ace Combat 0, 1, 2, 3, 4, 5 and 7(Space & Flight)

5) Strategy Games
- None (Card & Board)
-Civ 6 (City & Settlement)
-Civ 6 (Grand & 4X)
-Civ 6 (Military)
-None (Real-Time Strategy)
-None (Tower Defense)
-Persona 4 Golden (Turn-Based Strategy) (Playing this game helped me cover so many genres lol)

6) Sports & Racing Games

- Wii Sports ?? (lol) (All Sports)
-None (Fishing & Hunting)
-Jet Set Radio, Jet Set Radio Future & Bomb Rush Cyberfunk (because skating) & Ridge Racer 4 (Individual Sports)
-Ridge Racer 4(Racing)
-I'm guessing none(Racing Sim)
- I'm guessing none (Sports Sim)
-None (Team Sports)

THEMES:
-Anime : None (Persona 4 doesn't count imo)
-Horror: I've played a bit of Lethal Company
-Mystery & Detective : (Again, persona 4 doesn't count imo)
-Open World: The Legend of Zelda BOTW & TOTK
-Sci-Fi & Cyberpunk: The Portal Series and Half Life Series
-Space: None
-Survival: Terraria & Minecraft lol