Games like Hydroneer
Games like Hydroneer include Satisfactory, Factorio, Scrap Mechanic, Raft, and Schedule I. We matched them by the tags players give Hydroneer on Steam (Base Building, Automation, Mining, Sandbox, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Satisfactory
Shared: Base Building · Automation · Open World

Factorio
Shared: Base Building · Automation · Sandbox

Scrap Mechanic
Shared: Sandbox · Base Building · Building

Raft
Shared: Multiplayer · Co-op · Base Building

Schedule I
Shared: Co-op · Multiplayer · Automation

Sons Of The Forest
Shared: Base Building · Co-op · Multiplayer

Garry's Mod
Shared: Sandbox · Multiplayer · Building

Dyson Sphere Program
Shared: Automation · Base Building · Building

Palworld
Shared: Open World · Multiplayer · Base Building

ASTRONEER
Shared: Multiplayer · Base Building · Open World

ARK: Survival Evolved
Shared: Multiplayer · Base Building · Open World

Space Engineers
Shared: Sandbox · Base Building · Building

Once Human
Shared: Open World · Multiplayer · Co-op

FOUNDRY
Shared: Base Building · Automation · Multiplayer

ARK: Survival Ascended
Shared: Base Building · Multiplayer · Open World

shapez
Shared: Base Building · Automation · Sandbox

Mindustry
Shared: Base Building · Automation · Sandbox

Medieval Dynasty
Shared: Multiplayer · Base Building · Building

Wobbly Life
Shared: Sandbox · Multiplayer · Open World

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

Valheim
Shared: Base Building · Multiplayer · Open World

Stormworks: Build and Rescue
Shared: Base Building · Sandbox · Open World

7 Days to Die
Shared: Base Building · Multiplayer · Open World

Rust
Shared: Multiplayer · Open World · Sandbox

