Games like Dungeon Riddle
Games like Dungeon Riddle include Journey, Boxes: Lost Fragments, Morphopolis, Sizeable, and Hidden Folks. We matched them by the tags players give Dungeon Riddle on Steam (Mystery Dungeon, Indie, Hidden Object, Walking Simulator, and 3D): closest matches first, and among equally close ones the better-known games.

Journey
Shared: Indie · Adventure · Walking Simulator

Boxes: Lost Fragments
Shared: 3D · Casual · Hidden Object

Morphopolis
Shared: Indie · Hidden Object · Casual

Sizeable
Shared: Hidden Object · Indie · Casual

Hidden Folks
Shared: Hidden Object · Indie · Casual

The House of Da Vinci
Shared: Hidden Object · Indie · Adventure

Firewatch
Shared: Walking Simulator · Adventure · Indie

Platform 8
Shared: Walking Simulator · Hidden Object · Adventure

The Stanley Parable
Shared: Indie · Walking Simulator · Adventure

False Dream
Shared: Hidden Object · Walking Simulator · Indie

Donut County
Shared: Indie · Casual · Adventure

Baby Steps
Shared: Walking Simulator · Adventure · Casual

Interior Worlds
Shared: Walking Simulator · Hidden Object · Indie

Florence
Shared: Indie · Casual · Adventure

The Room
Shared: Hidden Object · Indie · Adventure

Sinister City
Shared: Hidden Object · Indie · Casual

The Death | Thần Trùng
Shared: Indie · Casual · Adventure

Witch It
Shared: Indie · Hidden Object · Casual

The Beginner's Guide
Shared: Indie · Walking Simulator · Adventure

MECCHA CHAMELEON
Shared: Hidden Object · Casual · Indie

100 hidden frogs 2
Shared: Hidden Object · Casual · Adventure

Moncage
Shared: Indie · Casual · Adventure

Frankenstein: Master of Death
Shared: Hidden Object · Indie · Casual

Yes, Your Grace
Shared: Indie · Medieval · Casual