Games like 夏まつり零
Games like 夏まつり零 include Firewatch, What Remains of Edith Finch, Journey, DAVE THE DIVER, and Spirit of the North. We matched them by the tags players give 夏まつり零 on Steam (Adventure, Casual, Simulation, Walking Simulator, and Exploration): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · Atmospheric

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

Journey
Shared: Adventure · Atmospheric · Exploration

DAVE THE DIVER
Shared: Casual · Adventure · Exploration

Spirit of the North
Shared: Adventure · Casual · Exploration

Outer Wilds
Shared: Adventure · Exploration · Story Rich

Slime Rancher
Shared: Adventure · Exploration · Simulation

The Long Dark
Shared: Exploration · Adventure · Atmospheric

ABZU
Shared: Adventure · Exploration · Atmospheric

DEATH STRANDING DIRECTOR'S CUT
Shared: Walking Simulator · Adventure · Story Rich

The Beginner's Guide
Shared: Walking Simulator · Story Rich · Adventure

Cairn
Shared: Adventure · Exploration · Indie

Riven
Shared: Adventure · Exploration · Atmospheric

CARIMARA: Beneath the forlorn limbs
Shared: Adventure · Exploration · Story Rich

Gone Home
Shared: Walking Simulator · Exploration · Atmospheric

The First Tree
Shared: Adventure · Walking Simulator · Atmospheric

Scanner Sombre
Shared: Walking Simulator · Adventure · Exploration

FAR: Lone Sails
Shared: Adventure · Atmospheric · Exploration

Everybody's Gone to the Rapture
Shared: Walking Simulator · Adventure · Atmospheric

Exo One
Shared: Adventure · Exploration · Atmospheric

Fallout 4
Shared: Adventure · Exploration · Singleplayer

Copycat
Shared: Adventure · Indie · Story Rich

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

Deliver Us The Moon
Shared: Adventure · Indie · Atmospheric