- Persona 5 Royal $32.39 on Fanatical
- Sekiro: Shadows Die Twice - GOTY Edition $29.99 on Steam
- Dying Light 2 Stay Human $29.99 on Steam
- Forza Horizon 5 $29.99 on Steam
- Mount & Blade II: Bannerlord $29.99 on Steam
- Total War: WARHAMMER III $28.59 on Gamebillet
- Warhammer 40,000: Darktide $27.99 on Steam
- Rust $26.79 on Steam
- Half-Life: Alyx $23.99 on Steam
- Grounded $23.99 on Steam
- Crusader Kings III $22.50 on Greenmangaming
- Stray $22.49 on Steam
- Need for Speed Unbound $20.99 on Steam
- TUNIC $20.99 on Steam
- Marvel’s Midnight Suns $20.64 on Greenmangaming
- Psychonauts 2 $20.39 on Steam
- Sea of Thieves 2023 Edition $19.99 on Steam
- DARK SOULS: REMASTERED $19.99 on Steam
- NieR:Automata $19.99 on Steam
- Age of Empires IV: Anniversary Edition $19.99 on Steam
- Red Dead Redemption 2 $19.79 on Steam
- Gotham Knights $17.99 on Steam
- Divinity: Original Sin 2 - Definitive Edition $17.99 on Steam
- Marvel’s Guardians of the Galaxy $17.99 on Steam
- EA SPORTS FIFA 23 $17.49 on Steam
- Satisfactory $16.49 on Steam
- Horizon Zero Dawn Complete Edition $16.49 on Steam
- Days Gone $16.49 on Steam
- LEGO Star Wars™: The Skywalker Saga $16.49 on Steam
- New World $15.99 on Steam
- Hunt: Showdown $15.99 on Steam
- MONSTER HUNTER RISE $15.99 on Steam
- It Takes Two $15.99 on Steam
- Kena: Bridge of Spirits $15.99 on Steam
- Riders Republic $15.00 on Steam
- Warhammer 40,000: Space Marine - Anniversary Edition $14.99 on Steam
- Monster Hunter: World $14.99 on Steam
- Far Cry 6 $14.99 on Steam
- Anno 1800 $14.99 on Steam
- Cuphead $13.99 on Steam
- Yakuza: Like a Dragon $12.99 on Gamesplanet
- Gunfire Reborn $12.99 on Steam
- The Stanley Parable: Ultra Deluxe $12.49 on Steam
- Hades $12.49 on Steam
- Inscryption $11.99 on Steam
- ASTRONEER $11.99 on Steam
- Planet Coaster $11.24 on Steam
- Weird West: Definitive Edition $9.99 on Steam
- Tabletop Simulator $9.99 on Steam
- Halo: The Master Chief Collection $9.99 on Steam
- Control Ultimate Edition $9.99 on Steam
- Deep Rock Galactic $9.89 on Steam
- Subnautica $9.89 on Steam
- Stardew Valley $9.89 on Steam
- Devil May Cry 5 $9.89 on Steam
- Little Nightmares II $9.89 on Steam
- Ghostrunner $8.99 on Steam
- Tom Clancy’s The Division 2 $8.99 on Steam
- Dragon Age: Origins - Ultimate Edition $8.99 on Steam
- Borderlands 3 $8.99 on Steam
- Slay the Spire $8.49 on Steam
- Tom Clancy’s Rainbow Six Siege $7.99 on Steam
- Wasteland 3 $7.99 on Steam
- Cities: Skylines $7.96 on Gamebillet
- Forts $7.49 on Steam
- Ori and the Will of the Wisps $7.49 on Steam
- Prey $7.49 on Steam
- Arma 3 $7.49 on Steam
- Middle-earth: Shadow of War $7.49 on Steam
- Puyo Puyo Tetris 2 $7.49 on Steam
- Hollow Knight $7.49 on Steam
- Sid Meier’s Civilization VI $5.99 on Steam
- Age of Empires II: Definitive Edition $4.99 on Steam
- DOOM $4.99 on Steam
- Black Mesa $4.99 on Steam
- Titanfall 2 $4.49 on Steam
- SPORE $3.99 on Steam
- Vampire Survivors $3.74 on Steam
- Deus Ex: Human Revolution - Director’s Cut $2.99 on Steam
- Left 4 Dead 2 $0.99 on Steam
- Portal 2 $0.99 on Steam
- Dungeon of Naheulbeuk $0 on Epic Store
- Weird West: Definitive Edition $19.99 on GOG
- Return to Monkey Island $17.49 on GOG
- Horizon Zero Dawn Complete Edition $16.49 on GOG
- Syberia: The World Before $15.99 on GOG
- Frostpunk: Game of the Year Edition $12.24 on GOG
- Solasta: Crown of the Magister $11.99 on GOG
- Warcraft I & II Bundle $11.99 on GOG
- ENDLESS Space 2 $9.99 on GOG
- Kingdom Come: Deliverance Royal Edition $9.99 on GOG
- Settlers 3: Ultimate Collection $9.99 on GOG
- Metro Franchise Bundle $9.59 on GOG
- Grim Dawn $7.49 on GOG
- Star Trek: Voyager - Elite Force $7.49 on GOG
- SUPERHOT $7.49 on GOG
- Blade Runner - Enhanced Edition $7.39 on GOG
- STAR WARS: The Force Unleashed™ II $6.99 on GOG
- Cloudpunk $6.99 on GOG
- S.T.A.L.K.E.R.: Shadow of Chernobyl $4.99 on GOG
- S.T.A.L.K.E.R.: Call of Pripyat $4.99 on GOG
- SWAT 4: Gold Edition $4.99 on GOG
- Batman: Arkham Asylum Game of the Year Edition $4.99 on GOG
- Crysis $4.99 on GOG
- BioShock Remastered $4.99 on GOG
- Deus Ex: Mankind Divided $4.49 on GOG
- STAR WARS Battlefront II (Classic, 2005) $3.49 on GOG
- Sleeping Dogs: Definitive Edition $2.99 on GOG
- ENDLESS Space - Definitive Edition $2.49 on GOG
- Roller Coaster Tycoon 2: Triple Thrill Pack $2.49 on GOG
- Legacy of Kain: Blood Omen 2 $0.97 on GOG
- Beholder 2 $0 on GOG
Check out the SP campaign mods that people made for it!
Not that many, but even right now the ‘best’ one adds a few hours of gameplay. I can’t remember the name of it though, sorry