Games like Aviary Attorney
Games like Aviary Attorney include Phoenix Wright: Ace Attorney Trilogy, Danganronpa: Trigger Happy Havoc, The Wolf Among Us, Undertale, and Danganronpa 2: Goodbye Despair. We matched them by the tags players give Aviary Attorney on Steam (Visual Novel, Indie, Detective, Adventure, and Mystery): closest matches first, and among equally close ones the better-known games.

Phoenix Wright: Ace Attorney Trilogy
Shared: Visual Novel · Detective · Mystery

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Detective · Mystery

The Wolf Among Us
Shared: Adventure · Detective · Story Rich

Undertale
Shared: Story Rich · Indie · Multiple Endings

Danganronpa 2: Goodbye Despair
Shared: Visual Novel · Detective · Mystery

AI: The Somnium Files
Shared: Visual Novel · Detective · Mystery

Return of the Obra Dinn
Shared: Detective · Mystery · Indie

Raging Loop
Shared: Visual Novel · Adventure · Indie

Firewatch
Shared: Adventure · Story Rich · Mystery

Danganronpa V3: Killing Harmony
Shared: Visual Novel · Detective · Mystery

Murders on the Yangtze River
Shared: Detective · Adventure · Indie

428: Shibuya Scramble
Shared: Visual Novel · Adventure · Mystery

Return to Shironagasu Island
Shared: Visual Novel · Adventure · Mystery

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Visual Novel · Adventure · Mystery

OneShot
Shared: Indie · Story Rich · Adventure

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Story Rich · Adventure

Disco Elysium - The Final Cut
Shared: Detective · Story Rich · Singleplayer

The Rewinder
Shared: Adventure · Mystery · Detective

STEINS;GATE
Shared: Visual Novel · Story Rich · Multiple Endings

Zero Escape: The Nonary Games
Shared: Visual Novel · Story Rich · Mystery

The Darkside Detective
Shared: Detective · Adventure · Mystery

The White Door
Shared: Indie · Adventure · Detective

Deponia
Shared: Adventure · Indie · Comedy

Sanfu
Shared: Mystery · Visual Novel · Adventure