Games like Black Swan
Games like Black Swan include The Room, Morphopolis, Labyrinth City: Pierre the Maze Detective, Hidden Folks, and TOEM: A Photo Adventure. We matched them by the tags players give Black Swan on Steam (Casual, Adventure, Hidden Object, and Puzzle): closest matches first, and among equally close ones the better-known games.

The Room
Shared: Puzzle · Adventure · Hidden Object

Morphopolis
Shared: Puzzle · Hidden Object · Casual

Labyrinth City: Pierre the Maze Detective
Shared: Adventure · Casual · Hidden Object

Hidden Folks
Shared: Casual · Hidden Object · Puzzle

TOEM: A Photo Adventure
Shared: Adventure · Puzzle · Casual

Boxes: Lost Fragments
Shared: Puzzle · Adventure · Casual

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

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

The Room Two
Shared: Puzzle · Hidden Object · Adventure

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

Scribblenauts Unlimited
Shared: Casual · Adventure · Puzzle

Sinister City
Shared: Adventure · Casual · Hidden Object

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

Pikuniku
Shared: Adventure · Casual · Puzzle

Adam Wolfe
Shared: Casual · Adventure · Hidden Object

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

Alchemy Mysteries: Prague Legends
Shared: Casual · Hidden Object · Adventure

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

Sherlock Holmes and The Hound of The Baskervilles
Shared: Casual · Adventure · Hidden Object

There Is No Game: Wrong Dimension
Shared: Adventure · Puzzle · Casual

Varenje
Shared: Adventure · Casual · Puzzle

Syberia
Shared: Adventure · Casual · Puzzle

The Room Three
Shared: Adventure · Puzzle · Hidden Object

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