Games like Three Quest
Games like Three Quest include Until Then, The Test, There Is No Game: Wrong Dimension, Undertale, and DAVE THE DIVER. We matched them by the tags players give Three Quest on Steam (Casual, Visual Novel, Trivia, Choose Your Own Adventure, and 2D): closest matches first, and among equally close ones the better-known games.

Until Then
Shared: Visual Novel · Pixel Graphics · 2D

The Test
Shared: Choose Your Own Adventure · Pixel Graphics · Visual Novel

There Is No Game: Wrong Dimension
Shared: Casual · Pixel Graphics · Indie

Undertale
Shared: Pixel Graphics · Funny · 2D

DAVE THE DIVER
Shared: Casual · Pixel Graphics · Adventure

The Wolf Among Us
Shared: Visual Novel · Choose Your Own Adventure · Adventure

The Henry Stickmin Collection
Shared: Choose Your Own Adventure · Funny · 2D

To the Moon
Shared: Pixel Graphics · Indie · Adventure

DELTARUNE
Shared: Pixel Graphics · Funny · 2D

Urban Myth Dissolution Center
Shared: Visual Novel · Pixel Graphics · 2D

NEEDY STREAMER OVERLOAD
Shared: Visual Novel · Pixel Graphics · 2D

Refind Self: The Personality Test Game
Shared: Visual Novel · Pixel Graphics · 2D

Milk outside a bag of milk outside a bag of milk
Shared: Visual Novel · Pixel Graphics · 2D

Impostor Factory
Shared: Pixel Graphics · 2D · Adventure

Far Away
Shared: Visual Novel · Choose Your Own Adventure · Casual

OneShot
Shared: Pixel Graphics · Indie · Story Rich

Florence
Shared: Casual · Indie · Adventure

Yes, Your Grace
Shared: Pixel Graphics · Medieval · Casual

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

Marco & The Galaxy Dragon
Shared: Visual Novel · Casual · Adventure

A Bird Story
Shared: Pixel Graphics · Indie · 2D

Finding Paradise
Shared: Pixel Graphics · 2D · Adventure

Emily is Away Too
Shared: Casual · Pixel Graphics · Indie

Phoenix Wright: Ace Attorney Trilogy
Shared: Visual Novel · Mystery · Story Rich