• Hotel Dusk: Room 215 (Kyle, Dunning)
• Dredge
• Chrono Trigger (Frog, Robo)
• Ace attorney (Simon Blackquill, Kay Faraday, Shi Long Lang, Barok Van Zieks, Kazuma Asogi, Herlock Sholmes, Susato Mikotoba)
• Pokemon (main line) ( gen 4,5,7,8) (Giratina, Decidueye (and its previous evos), Empoleon (and its previous evos))
• Pokemon Mystery Dungeon (red/blue, time/darkness/sky, DX)
• Pokemon Ranger (all 3 of the DS ones)
• The World Ends With You
• Animal crossing (Merengue, Egbert, Spike)
• Professor Layton
• Stardew Valley (Elliott, Shane, Sebastian, Emily)

Games I've watched playthroughs of but not personally played myself:

• Omori (Aubrey, Hero)
• The Closing Shift
• Iron Lung
• Last Window: The Secret of Cape West
• Metal Gear Rising Revengeance
• The Liar Princess and The Blind Prince
• Detention
• The Caregiver
• The Quarry
• Fear and Hunger

Random spurt where I bingewatched a bunch of horror game playthroughs from this one guy I promise I'm not actually super into horror games these ones just looked interesting:

• Fishing Vacation
• The Man Man
• Homegrown Pet
• No-Snake Hotel
• Rojo
• The Man from the Window
• Doghouse 1+2
• Bonnie's bakery