Games like Narwhal Heist
Games like Narwhal Heist include Wobbly Life, I Am Bread, Goat Simulator, Feed and Grow: Fish, and Thief Simulator 2. We matched them by the tags players give Narwhal Heist on Steam (Action, Casual, Simulation, Indie, and Adventure): closest matches first, and among equally close ones the better-known games.

Wobbly Life
Shared: Adventure · Simulation · Casual

I Am Bread
Shared: Simulation · Adventure · Action

Goat Simulator
Shared: Simulation · Casual · Action

Feed and Grow: Fish
Shared: Simulation · Action · Early Access

Thief Simulator 2
Shared: Simulation · Action · Stealth

Thief Simulator
Shared: Simulation · Stealth · Action

Who's Your Daddy?!
Shared: Simulation · Casual · Comedy

Chained Together
Shared: Casual · Adventure · Simulation

Cart Racer
Shared: Action · Casual · Indie

Achievement Clicker
Shared: Casual · Simulation · Indie

EmergeNYC
Shared: Simulation · Action · Early Access

Gang Beasts
Shared: Action · Casual · Indie

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Action · Casual · Adventure

Accounting+
Shared: Action · Indie · Adventure

Pikuniku
Shared: Casual · Indie · Adventure

Pumpkin Jack
Shared: Action · Adventure · Indie

SpongeBob SquarePants: Battle for Bikini Bottom - Rehydrated
Shared: Action · Adventure · 3D Platformer

No Time To Explain Remastered
Shared: Action · Indie · Casual

Need For Drink
Shared: Action · Casual · Simulation

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

Plebby Quest: The Crusades
Shared: Casual · Indie · Simulation

Minimalism
Shared: Casual · Action · Indie

Witch It
Shared: Casual · Action · Indie

[Chillas Art] The Convenience Store
Shared: Indie · Simulation · Casual