Games like Cubic Odyssey
Games like Cubic Odyssey include Valheim, Terraria, ARK: Survival Evolved, The Planet Crafter, and Raft. We matched them by the tags players give Cubic Odyssey on Steam (Open World Survival Craft, RPG, Action-Adventure, Base Building, and Sandbox): closest matches first, and among equally close ones the better-known games.

Valheim
Shared: Open World Survival Craft · Base Building · Building

Terraria
Shared: Open World Survival Craft · Sandbox · Co-op

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

The Planet Crafter
Shared: Open World Survival Craft · Base Building · Co-op

Raft
Shared: Open World Survival Craft · Co-op · Base Building

Dune: Awakening
Shared: Open World Survival Craft · Base Building · Exploration

No Man's Sky
Shared: Open World Survival Craft · Sci-fi · Exploration

Once Human
Shared: Open World Survival Craft · Co-op · Base Building

ASTRONEER
Shared: Open World Survival Craft · Base Building · Co-op

Abiotic Factor
Shared: Open World Survival Craft · Base Building · Sci-fi

The Forest
Shared: Open World Survival Craft · Building · Open World

Satisfactory
Shared: Base Building · Co-op · Open World Survival Craft

Rust
Shared: Open World Survival Craft · Sandbox · Building

7 Days to Die
Shared: Open World Survival Craft · Base Building · RPG

Grounded
Shared: Open World Survival Craft · Co-op · Base Building

Green Hell
Shared: Open World Survival Craft · Base Building · Co-op

Palworld
Shared: Open World Survival Craft · Co-op · Base Building

ICARUS
Shared: Open World Survival Craft · Base Building · Co-op

Enshrouded
Shared: Base Building · RPG · Open World

Core Keeper
Shared: Sandbox · Exploration · Co-op

Subnautica
Shared: Open World Survival Craft · Base Building · Exploration

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

Nightingale
Shared: Open World Survival Craft · Base Building · Building

Don't Starve Together
Shared: Open World Survival Craft · Co-op · Sandbox