Games like Stout Kayak
Games like Stout Kayak include Steep™, Ultimate Fishing Simulator, BeamNG.drive, Contraband Police, and Session: Skate Sim. We matched them by the tags players give Stout Kayak on Steam (Simulation, Sports, Open World, Skating, and 3D): closest matches first, and among equally close ones the better-known games.

Steep™
Shared: Sports · Open World · Simulation

Ultimate Fishing Simulator
Shared: Simulation · Sports · 3D

BeamNG.drive
Shared: Simulation · Open World · Realistic

Contraband Police
Shared: Simulation · Open World · Singleplayer

Session: Skate Sim
Shared: Sports · Simulation · Realistic

OUTBRK
Shared: Simulation · Open World · Nature

Forza Horizon 5
Shared: Open World · Simulation · Realistic

Uncrashed : FPV Drone Simulator
Shared: Simulation · Sports · Realistic

Shredders
Shared: Sports · Open World · Realistic

Assetto Corsa
Shared: Simulation · Sports · Open World

Red Dead Redemption 2
Shared: Open World · Realistic · Adventure

Totally Accurate Battle Simulator
Shared: Simulation · Realistic · Singleplayer

Microsoft Flight Simulator (2020) 40th Anniversary Edition
Shared: Simulation · Open World · Realistic

Goat Simulator
Shared: Simulation · Open World · Physics

ScooterFlow
Shared: Simulation · Sports · Realistic

X-Plane 11
Shared: Simulation · Open World · Realistic

Call of the Wild: The Angler™
Shared: Simulation · Open World · Sports

Microsoft Flight Simulator X: Steam Edition
Shared: Simulation · Open World · Realistic

American Truck Simulator
Shared: Simulation · Open World · Realistic

theHunter: Call of the Wild™
Shared: Open World · Simulation · Nature

Thief Simulator
Shared: Simulation · Open World · Singleplayer

Scoot
Shared: Simulation · Sports · Open World

Euro Truck Simulator 2
Shared: Simulation · Open World · Realistic

BMX Streets
Shared: Simulation · Sports · 3D