Games like Ultimatum: Casting
Games like Ultimatum: Casting include The Room, The Room 4: Old Sins, The Room Three, The House of Da Vinci, and Stray. We matched them by the tags players give Ultimatum: Casting on Steam (Adventure, Puzzle, Indie, Logic, and Hidden Object): closest matches first, and among equally close ones the better-known games.

The Room
Shared: Puzzle · Adventure · Indie

The Room 4: Old Sins
Shared: Puzzle · Adventure · Hidden Object

The Room Three
Shared: Puzzle · Adventure · Indie

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

Stray
Shared: Adventure · Puzzle · Singleplayer

The Room Two
Shared: Puzzle · Adventure · Hidden Object

Outer Wilds
Shared: Adventure · Puzzle · Indie

Rise of the Tomb Raider™
Shared: Adventure · Third Person · Puzzle

Blue Prince
Shared: Puzzle · Adventure · Indie

COCOON
Shared: Adventure · Puzzle · Indie

Tomb Raider Game of the Year
Shared: Adventure · Third Person · Female Protagonist

Riven
Shared: Adventure · Puzzle · First-Person

What Remains of Edith Finch
Shared: Adventure · Indie · First-Person

Chants of Sennaar
Shared: Adventure · Puzzle · Indie

The Witness
Shared: Puzzle · Indie · First-Person

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

Twelve Minutes
Shared: Adventure · Indie · Puzzle

Call of the Sea
Shared: Adventure · Puzzle · Indie

Brothers - A Tale of Two Sons
Shared: Adventure · Indie · Puzzle

Firewatch
Shared: Adventure · Indie · First-Person

Antichamber
Shared: Puzzle · Indie · Adventure

The Last Campfire
Shared: Adventure · Puzzle · Indie

Poppy Playtime
Shared: Puzzle · Singleplayer · First-Person

Portal 2
Shared: Puzzle · Singleplayer · First-Person