Hidden Dimensions 3

Sci-fi card strategy with custom decks and AI fleet battles

Stijn Van Cauter · Released Oct 12, 2016

Reviews: Very Positive; 85% of 99
Recent reviews: Not enough recent
Players: 2; daily peak, Nov 7, 2026
Steam Deck: Playable
Last update on Steam: 9 years ago; Jul 12, 2017
Minimum PC: must support OpenGL 2.0; 0.5 GB RAM · 0.3 GB disk; Full requirements

What is Hidden Dimensions 3?

A free-to-play sci-fi card strategy game centered on single-player duels against AI opponents. Build a deck or use one the game creates, then play structures that generate energy for ships that defend your baseship and attack the opponent's. You can adjust the AI difficulty and battle rules or take on events and other modes.

For you if...

+you enjoy experimenting with decks and tactical card battles
+you like sci-fi fleet battles against computer opponents

Not for you if...

−you want to test your decks against other players
−you prefer short matches over drawn-out card battles
−you dislike collecting cards through repeated play

What players say

85% of 99 reviews are positive

Players praise the range of cards and flexibility in deckbuilding. They complain about clunky menus, unclear abilities, slow matches, and the effort needed to collect specific cards; some also miss multiplayer.

Screenshots and trailer

Hidden Dimensions 3 system requirements

Minimum: must support OpenGL 2.0, 0.5 GB RAM, 0.3 GB of disk space.

As published by the developer.

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Minimum

OS: windows xp
Processor: 2 GHz Intel Pentium 4 or equivalent
Graphics: must support OpenGL 2.0
Memory: 500 MB RAM
Storage: 300 MB available space

Does Hidden Dimensions 3 have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Hidden Dimensions 3 run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Sometimes shows mouse, keyboard or non-Deck controller icons
Some in-game text is small and may be hard to read
The native resolution is not the default one
All functionality is accessible with the default controller configuration
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 87
Steam features: Family Sharing
Languages: Text only: English.

Does Hidden Dimensions 3 use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam