Every Single Game i've finished since 2020 and my general feelings on them (in-tier ordering is only by whichever I played first)
S - Outer Wilds, Hotline Miami 2, Obra Dinn, Katana Zero, Disco Elysium

A - Antichamber, Superliminal, Metal Gear Solid 2 & 3, Ghost Trick, Sekiro, Furi, Persona 3 & 4 & 5, Portal 2, Library of Ruina, Ultrakill, Undertale, Deltarune Chapter 1 & 2, Hypnospace Outlaw, Inscryption, Bowser's Inside Story, Henry Stickman Collection, Deathloop, Darkwood, Elden Ring, Tick Tock: A Tale for Two, Strange Horticulture, 13 Sentinels, Enter the Gungeon, Citizen Sleeper, Neon White, The Looker, Wolf Among Us, Bayonetta, Bloodborne, The Upturned, Cyberpunk, Golden Idol, I Expect You To Die 2, Pizza Tower, En Garde!, KANNAGI USAGI, Hi-Fi Rush, Lies of P, MGS4

B - Half-life 1 & OF & 2 & Alyx, Gorogoa, Metal Gear Solid 1, Beginners Guide, Hellblade, Bastion, Talos Principle, Portal 1, Hotline Miami 1, Edith Finch, Hades, Transistor, Va-11 Hall-a, Stanley Parable, DMC 5, Celeste, Tales from the Borderlands, Night in the Woods, Manifold Garden, Ghostrunner, Fallen Order, Dark Souls 3, The Room 3, Doom (2016), Borderlands 2, Before Your Eyes, Still There, Titanfall 2, Cuphead, FE: Awakening, Gunpoint, A Short Hike, Tetris: Effect, Metal Gear Rising, One Finger Death Punch, The Forgotten City, Iron Lung, The Ruined King, Ape Out, Divinity Original Sin 2, Escape Academy, Shotgun King, Deadbolt, Aragami, Arkham Asylum, Cult of the Lamb, Super Cable Boy, Sifu, Superhot VR, I Expect You To Die, milk inside a bag of milk, Northern Journey, Last Clockwinder, Tunic, El Tango de la Muetre, Betrayal at Club Low, FAITH III, Signalis, Hong Kong Massacre, Trepang2, Lockheart Indigo, Midnight Fight Express, Boomerang X, Wonderful101, Quadrilateral Cowboy, System Shock Remake, Ace Combat 4, Last Seen Online, SANABI, Mortal Sin, Arkham City, Arctic Eggs
X - Lobotomy Corporation, Sayonara Wildhearts, Dark Souls 1, Hollow Knight, Everhood, Omori, 999, Who's Lila, Borderlands 3, Crosscode, Pathologic 2, UNREAL LIFE, Slay the Princess, Lorelei
C - Half-Life BS, Hyper Light Drifter, Danganronpa 1 & 2, Greedfall, Terraria, Borderlands 1 & TPS, Call of Juarez: Gunslinger, Dark Souls 2, KotOR, When the Darkness comes, Dungeon Defenders, Hat in Time, FE: Three Houses, Poker Night 1 & 2, OneShot, How Fish are Made, Stanley Parable: Ultra Deluxe, Last Word, Midnight Mercenaries, Bugsnax, Thymesia, SCP: Secret Files, Endoparasitic, Spiderman PS4, Pentiment, FAITH I & II, Pandora Tomorrow, Whimsy, The Anglerfish Project, Blink, Bookwalker, Cosmic Wheel Sisterhood, Calendula, Chants of Sennaar, Redgar: The Space Viking, Venba, American Arcadia, Children of the Sun, Arto, Bee Magic, Exit 8, Platform 8, Shinkansen 0, Landlord of the Woods, Leap Year
D - Detroit: Become Human, Call of Cthulhu, Owlboy, Control, Call of the Sea, Gone Home, Road 96, Devil May Cry 1, Dredge, The Sexy Brutale, World Tour, Marble Nest, Viewfinder, Try Again, Myst, Animal Well, Voyager-19, No Recollection, Mouthwashing, Utility Room
F - Danganronpa v3, The Witness, 12 Minutes, Experiment 12

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i've been keeping track of Every Single Game i've finished since 2020 and my general feelings on them (in-tier ordering is only by whichever I played first)

wacky X tier is basically "this game would be A or S tier but its got something that really ♥♥♥♥♥♥ blows about it"