Games like Knight's Destiny
Games like Knight's Destiny include FEZ, Laughing to Die, The Room, Chained Together, and Tick Tock: A Tale for Two. We matched them by the tags players give Knight's Destiny on Steam (Casual, Early Access, Mystery, Platformer, and Puzzle): closest matches first, and among equally close ones the better-known games.

FEZ
Shared: Platformer · Puzzle · Casual

Laughing to Die
Shared: Casual · Adventure · Platformer

The Room
Shared: Mystery · Puzzle · Adventure

Chained Together
Shared: Casual · Platformer · Adventure

Tick Tock: A Tale for Two
Shared: Puzzle · Casual · Adventure

Pikuniku
Shared: Casual · Adventure · Puzzle

Boxes: Lost Fragments
Shared: Mystery · Casual · Puzzle

The Room 4: Old Sins
Shared: Mystery · Puzzle · Adventure

The Death Game Report
Shared: Mystery · Casual · Puzzle

Scribblenauts Unlimited
Shared: Casual · Puzzle · Adventure

The Room Two
Shared: Mystery · Puzzle · Adventure

Portal 2
Shared: Platformer · Puzzle · Adventure

Syberia
Shared: Casual · Adventure · Puzzle

POPUCOM
Shared: Casual · Platformer · Adventure

The Room Three
Shared: Mystery · Puzzle · Adventure

Nihilumbra
Shared: Casual · Platformer · Adventure

Escape Simulator
Shared: Puzzle · Mystery · Adventure

Seen
Shared: Puzzle · Adventure · Platformer

ANIMAL WELL
Shared: Puzzle · Platformer · Mystery

Running Through Russia
Shared: Casual · Early Access · Adventure

Outer Wilds
Shared: Mystery · Adventure · Puzzle

Unboxing the Cryptic Killer
Shared: Puzzle · Mystery · Casual

BEEP
Shared: Platformer · Adventure · Puzzle

Climb The Backrooms
Shared: Casual · Platformer · Adventure