Games like 365 Days
Games like 365 Days include Hand Simulator: Survival, Last Oasis, Don't Starve Together, 鬼谷八荒 Tale of Immortal, and Feed and Grow: Fish. We matched them by the tags players give 365 Days on Steam (Action, Adventure, Indie, RPG, and Simulation): closest matches first, and among equally close ones the better-known games.

Hand Simulator: Survival
Shared: Adventure · Survival · Simulation

Last Oasis
Shared: Action · RPG · Adventure

Don't Starve Together
Shared: Survival · Adventure · Indie

鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Action

Feed and Grow: Fish
Shared: Simulation · Action · Survival

Rust
Shared: Survival · Adventure · Action

Home Behind
Shared: Adventure · RPG · Indie

Dead Age
Shared: RPG · Adventure · Survival

The Forest
Shared: Adventure · Survival · Action

Terraria
Shared: Survival · Adventure · Indie

Flesh Eaters
Shared: Action · Indie · Adventure

Kenshi
Shared: RPG · Survival · Simulation

Once Human
Shared: Action · Survival · Adventure

Home Behind 2
Shared: Adventure · RPG · Indie

SKYHILL
Shared: Adventure · Indie · Survival

Infestation: The New Beginning
Shared: Action · Survival · RPG

Mount & Blade II: Bannerlord
Shared: RPG · Action · Simulation

Bum Simulator
Shared: Adventure · Action · Simulation

Remnant: From the Ashes
Shared: Action · Adventure · RPG

Dust: An Elysian Tail
Shared: Action · Indie · Adventure

OMON Simulator
Shared: Action · Indie · Simulation

DOKA 2 KISHKI EDITION
Shared: Action · Indie · Simulation

Between the Stars
Shared: Action · RPG · Indie

The Escapists
Shared: Action · Indie · Simulation