Games like 汉尘:腐草为萤
Games like 汉尘:腐草为萤 include Stardew Valley, My Time at Portia, Mount & Blade II: Bannerlord, Crusader Kings III, and Coral Island. We matched them by the tags players give 汉尘:腐草为萤 on Steam (Survival, RPG, Life Sim, 2D, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Life Sim · RPG · Farming Sim

My Time at Portia
Shared: RPG · Life Sim · Farming Sim

Mount & Blade II: Bannerlord
Shared: RPG · Strategy · Singleplayer

Crusader Kings III
Shared: RPG · Strategy · Life Sim

Coral Island
Shared: Life Sim · RPG · Farming Sim

Terraria
Shared: Survival · 2D · Adventure

Disney Dreamlight Valley
Shared: Life Sim · Character Customization · Singleplayer

The Escapists
Shared: 2D · Singleplayer · Strategy

Assassin's Creed® Odyssey
Shared: RPG · Singleplayer · Action-Adventure

Hogwarts Legacy
Shared: RPG · Singleplayer · Character Customization

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

Stoneshard
Shared: RPG · Survival · Strategy

Don't Starve Together
Shared: Survival · 2D · RPG

Home Behind
Shared: RPG · Survival · Singleplayer

Sun Haven
Shared: Life Sim · RPG · Farming Sim

The Elder Scrolls IV: Oblivion Remastered
Shared: RPG · Singleplayer · Character Customization

Starfield
Shared: RPG · Singleplayer · Character Customization

Oxygen Not Included
Shared: Survival · Singleplayer · 2D

Kenshi
Shared: Survival · RPG · Simulation

Forager
Shared: Survival · 2D · Farming Sim

Home Behind 2
Shared: RPG · Strategy · Survival

Where Winds Meet
Shared: Singleplayer · Character Customization · Action-Adventure

The Sims™ 3
Shared: Life Sim · Character Customization · Singleplayer

Fallout: New Vegas
Shared: RPG · Singleplayer · Exploration