Games like Mudventure
Games like Mudventure include Terraria, Valheim, Don't Starve Together, Raft, and Grounded. We matched them by the tags players give Mudventure on Steam (Mining, Online Co-Op, Sandbox, Exploration, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Sandbox · Multiplayer · Survival

Valheim
Shared: Online Co-Op · Survival · Multiplayer

Don't Starve Together
Shared: Co-op · Survival · Multiplayer

Raft
Shared: Co-op · Multiplayer · Survival

Grounded
Shared: Co-op · Multiplayer · Survival

Palworld
Shared: Online Co-Op · Survival · Multiplayer

Core Keeper
Shared: Exploration · Survival · Co-op

Starbound
Shared: Sandbox · Survival · Online Co-Op

PEAK
Shared: Co-op · Online Co-Op · Multiplayer

ICARUS
Shared: Online Co-Op · Survival · Multiplayer

Green Hell
Shared: Online Co-Op · Survival · Multiplayer

Sons Of The Forest
Shared: Co-op · Survival · Multiplayer

Enshrouded
Shared: Online Co-Op · Survival · Multiplayer

Rust
Shared: Survival · Multiplayer · Sandbox

Bloons TD 6
Shared: Co-op · Online Co-Op · Multiplayer

Among Us
Shared: Online Co-Op · Multiplayer · Survival

V Rising
Shared: Survival · Online Co-Op · Multiplayer

ASTRONEER
Shared: Multiplayer · Co-op · Exploration

Once Human
Shared: Co-op · Multiplayer · Survival

7 Days to Die
Shared: Survival · Multiplayer · Online Co-Op

Abiotic Factor
Shared: Online Co-Op · Survival · Exploration

Chained Together
Shared: Co-op · Online Co-Op · Multiplayer

Portal Knights
Shared: Sandbox · Multiplayer · Co-op

Escape the Backrooms
Shared: Online Co-Op · Co-op · Multiplayer