Games like Siienaa
Games like Siienaa include Journey, DAVE THE DIVER, ABZU, Scanner Sombre, and Firewatch. We matched them by the tags players give Siienaa on Steam (Exploration, Casual, Simulation, Walking Simulator, and Adventure): closest matches first, and among equally close ones the better-known games.

Journey
Shared: Exploration · Adventure · Walking Simulator

DAVE THE DIVER
Shared: Casual · Exploration · Adventure

ABZU
Shared: Exploration · Relaxing · Casual

Scanner Sombre
Shared: Exploration · Walking Simulator · Adventure

Firewatch
Shared: Adventure · Walking Simulator · Exploration

Slime Rancher
Shared: Exploration · Adventure · Simulation

A Short Hike
Shared: Exploration · Adventure · Casual

Disney Dreamlight Valley
Shared: Exploration · Simulation · Relaxing

Exo One
Shared: Exploration · Adventure · Walking Simulator

Spirit of the North
Shared: Exploration · Casual · Adventure

The Long Dark
Shared: Exploration · Adventure · Simulation

Lushfoil Photography Sim
Shared: Exploration · Walking Simulator · VR

Slime Rancher 2
Shared: Relaxing · Simulation · Casual

Riven
Shared: Exploration · Adventure · Walking Simulator

Treasure Hunter Simulator
Shared: Simulation · Casual · Exploration

Crime Scene Cleaner
Shared: Simulation · Relaxing · Exploration

Flower
Shared: Casual · Exploration · Relaxing

Monument Valley
Shared: Casual · Exploration · Adventure

The First Tree
Shared: Exploration · Walking Simulator · Adventure

What Remains of Edith Finch
Shared: Walking Simulator · Exploration · Adventure

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

House Flipper
Shared: Simulation · Casual · Relaxing

American Truck Simulator
Shared: Simulation · Exploration · Relaxing

Submerged
Shared: Exploration · Walking Simulator · Casual