Games like Power Of Language
Games like Power Of Language include Firework, Sanfu, Murders on the Yangtze River, Portal 2, and Portal. We matched them by the tags players give Power Of Language on Steam (Singleplayer, Puzzle, Visual Novel, Puzzle Platformer, and Text-Based): closest matches first, and among equally close ones the better-known games.

Firework
Shared: Puzzle · Singleplayer · Mystery

Sanfu
Shared: Puzzle · Mystery · Visual Novel

Murders on the Yangtze River
Shared: Puzzle · Mystery · Puzzle Platformer

Portal 2
Shared: Singleplayer · Puzzle · Puzzle Platformer

Portal
Shared: Puzzle · Puzzle Platformer · Singleplayer

LIMBO
Shared: Puzzle · Puzzle Platformer · Singleplayer

Cyber Manhunt
Shared: Puzzle · Singleplayer · RPG

Poppy Playtime
Shared: Singleplayer · Puzzle · Mystery

The Room
Shared: Puzzle · Singleplayer · Mystery

Blue Prince
Shared: Puzzle · Singleplayer · Mystery

Phoenix Wright: Ace Attorney Trilogy
Shared: Visual Novel · Singleplayer · Mystery

Return of the Obra Dinn
Shared: Puzzle · Singleplayer · Mystery

Bendy and the Ink Machine
Shared: Singleplayer · Puzzle · Mystery

Little Nightmares
Shared: Singleplayer · Puzzle Platformer · Puzzle

FEZ
Shared: Puzzle · Singleplayer · Indie

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Singleplayer · Mystery

Danganronpa 2: Goodbye Despair
Shared: Visual Novel · Singleplayer · Mystery

Braid
Shared: Puzzle · Puzzle Platformer · Singleplayer

Seen
Shared: Singleplayer · Puzzle · Indie

The Room Three
Shared: Puzzle · Mystery · Singleplayer

Chants of Sennaar
Shared: Puzzle · Singleplayer · Indie

Viewfinder
Shared: Puzzle · Singleplayer · Puzzle Platformer

The Room Two
Shared: Puzzle · Mystery · Singleplayer

The Life and Suffering of Sir Brante
Shared: Visual Novel · RPG · Text-Based