Games like Sea Train
Games like Sea Train include PowerWash Simulator, Slime Rancher, Slime Rancher 2, Journey, and Treasure Hunter Simulator. We matched them by the tags players give Sea Train on Steam (Casual, Simulation, Walking Simulator, Exploration, and 3D): closest matches first, and among equally close ones the better-known games.

PowerWash Simulator
Shared: Casual · Simulation · 3D

Slime Rancher
Shared: Exploration · Simulation · Casual

Slime Rancher 2
Shared: Simulation · Casual · Colorful

Journey
Shared: Exploration · Indie · Walking Simulator

Treasure Hunter Simulator
Shared: Simulation · Casual · Exploration

The Witness
Shared: Exploration · First-Person · Walking Simulator

Firewatch
Shared: Walking Simulator · Exploration · Atmospheric

ABZU
Shared: Exploration · Casual · Atmospheric

A Game About Chopping Trees
Shared: Simulation · Exploration · Casual

Internet Cafe Simulator 2
Shared: Simulation · Exploration · 3D

Leaf it Alone
Shared: Simulation · Casual · Indie

Scanner Sombre
Shared: Walking Simulator · Exploration · Indie

PowerWash Simulator 2
Shared: Casual · Simulation · 3D

DrainSim
Shared: Casual · Simulation · 3D

Little Kitty, Big City
Shared: Exploration · Simulation · Indie

Barn Finders
Shared: Casual · Simulation · Indie

Train Station Renovation
Shared: Casual · Simulation · Indie

Sticky Business
Shared: Casual · Simulation · Indie

Prison Escape Simulator: Dig Out
Shared: Simulation · Casual · 3D

The Long Dark
Shared: Exploration · Simulation · First-Person

Hello Kitty Island Adventure
Shared: Simulation · Casual · Exploration

The Exit 8
Shared: Exploration · Walking Simulator · 3D

Crime Scene Cleaner
Shared: Simulation · First-Person · Exploration

KOTAMON: My Sis Found A Super-Rare Card In Her Cereal Box, So I Became A Garbage Man To Find The Entire Collection And Earn $1,000,000
Shared: Casual · Simulation · 3D