Top favorite games:

• Undertale
• Outer Wilds

Other favorite games (in alphabetical order):

• Death Stranding
• Disco Elysium
• Fire Emblem: Path of Radiance
• Inscryption
• The Last of Us
• The Legend of Zelda: Majora's Mask
• Metal Gear Solid
• Metal Gear Solid 2
• NieR: Automata
• NieR: Replicant
• Pokemon Mystery Dungeon: Explorers of Sky
• Shadow of the Colossus
• Shin Megami Tensei: Persona 3
• Soma
• Tales of the Abyss
• The Talos Principle
• Valkyria Chronicles
• A Way Out
• Zero Escape: Virtue's Last Reward

Games that are very special to me, but I struggle to describe them as favorites:

• Lobotomy Corporation
• Metal Gear Solid V
• Pathologic

I like these games, but I also think they're either flawed in some way, shallow, or have other notable issues:

• BioShock
• Bloodborne
• The Crooked Man
• Fire Emblem: Sacred Stones
• The Legend of Zelda: Breath of the Wild
• The Legend of Zelda: Twilight Princess
• Tales of Symphonia
• Tales of Vesperia
• Tales of Xillia 2
• Titanfall 2
• To the Moon
• The Witch's House

Games I think are really good, but aren't my favorite for whatever reason:

• Brothers: A Tale of Two Sons
• Deus Ex
• Ghost Trick
• Metal Gear Solid 3
• Portal 2
• The Stanley Parable
• The World Ends With You
• Zero Escape: 999