Games like Castle Ruglia
Games like Castle Ruglia include There Is No Game: Wrong Dimension, Storyteller, Chants of Sennaar, Gorogoa, and Pocket Mirror ~ GoldenerTraum. We matched them by the tags players give Castle Ruglia on Steam (Adventure, Casual, RPG, 2D Fighter, and Interactive Fiction): closest matches first, and among equally close ones the better-known games.

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

Storyteller
Shared: Adventure · Interactive Fiction · Point & Click

Chants of Sennaar
Shared: Adventure · Puzzle · Point & Click

Gorogoa
Shared: Puzzle · Casual · Adventure

Pocket Mirror ~ GoldenerTraum
Shared: Adventure · RPG · Casual

DAVE THE DIVER
Shared: Casual · Adventure · RPG

Melvor Idle
Shared: Casual · RPG · Adventure

Old Man's Journey
Shared: Adventure · Casual · Puzzle

Hero of the Kingdom
Shared: Adventure · Casual · RPG

Morphopolis
Shared: Casual · Adventure · Puzzle

Shadows Over Loathing
Shared: Adventure · RPG · Point & Click

WILL: A Wonderful World / WILL:美好世界
Shared: RPG · Adventure · Puzzle

The Room
Shared: Adventure · Puzzle · Point & Click

Machinarium
Shared: Point & Click · Puzzle · Adventure

Breakout 13
Shared: Interactive Fiction · Choose Your Own Adventure · Exploration

Carto
Shared: Adventure · Puzzle · Exploration

Sanfu
Shared: RPG · Adventure · Puzzle

Florence
Shared: Casual · Adventure · Interactive Fiction

Amanda the Adventurer 2
Shared: Adventure · Interactive Fiction · Puzzle

Hero of the Kingdom II
Shared: Adventure · Casual · RPG

No Case Should Remain Unsolved
Shared: Interactive Fiction · Adventure · Puzzle

HIVESWAP: ACT 1
Shared: Adventure · RPG · Point & Click

Who's Lila?
Shared: Point & Click · Interactive Fiction · Choose Your Own Adventure

Monument Valley
Shared: Adventure · Casual · Puzzle