Games like Queen's Quest 4: Sacred Truce
Games like Queen's Quest 4: Sacred Truce include The Room, The Room 4: Old Sins, The Room Two, The Room Three, and Boxes: Lost Fragments. We matched them by the tags players give Queen's Quest 4: Sacred Truce on Steam (Adventure, Casual, Hidden Object, Puzzle, and Singleplayer): closest matches first, and among equally close ones the better-known games.

The Room
Shared: Puzzle · Adventure · Point & Click

The Room 4: Old Sins
Shared: Adventure · Puzzle · Point & Click

The Room Two
Shared: Puzzle · Hidden Object · Adventure

The Room Three
Shared: Adventure · Puzzle · Mystery

Boxes: Lost Fragments
Shared: Adventure · Puzzle · Casual

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

Storyteller
Shared: Puzzle · Adventure · Point & Click

Enigmatis: The Ghosts of Maple Creek
Shared: Adventure · Hidden Object · Casual

Gorogoa
Shared: Puzzle · Casual · Singleplayer

Enigmatis 2: The Mists of Ravenwood
Shared: Adventure · Hidden Object · Casual

Hogwarts Legacy
Shared: Adventure · Singleplayer · Fantasy

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

Syberia
Shared: Adventure · Puzzle · Casual

Grim Legends: The Forsaken Bride
Shared: Hidden Object · Casual · Adventure

There Is No Game: Wrong Dimension
Shared: Adventure · Puzzle · Point & Click

The Rewinder
Shared: Adventure · Puzzle · Mystery

Rusty Lake Paradise
Shared: Adventure · Puzzle · Point & Click

Enigmatis 3: The Shadow of Karkhala
Shared: Casual · Adventure · Hidden Object

9 Clues: The Secret of Serpent Creek
Shared: Casual · Adventure · Hidden Object

Abyss: The Wraiths of Eden
Shared: Casual · Adventure · Hidden Object

Phoenix Wright: Ace Attorney Trilogy
Shared: Mystery · Singleplayer · Adventure

Morphopolis
Shared: Puzzle · Hidden Object · Casual

9 Clues 2: The Ward
Shared: Adventure · Hidden Object · Casual

Servant of the Lake
Shared: Adventure · Puzzle · Point & Click