PCGame

Cubic Cosmos

A roguelike deckbuilder mixing tower defense with upgradeable pawn armies

Inkstone Atelier · Released Apr 28, 2026

Strategy

Reviews
Very Positive
91% of 970
Recent reviews
Very Positive
80% of 10 in 30 days
Players
26
daily peak, Oct 28, 2026
Steam Deck
Playable
Last update on Steam
4 weeks ago
Sep 30, 2026
Minimum PC
GeForce GTX 550 Ti
4 GB RAM · 3 GB disk
Full requirements

What is Cubic Cosmos?

This single-player card battler revolves around runs with random events. You build a deck, equip relics, and use pawns to defeat enemies and bosses, with scaling difficulty and a Mastery Mode for testing your decks.

For you if...

  • +you like unlocking heroes and cards through repeated play

Not for you if...

  • −you want multiplayer battles rather than solo runs
  • −you prefer simple card effects with few interactions

What players say

91% of 970 reviews are positive · 80% of 10 in the last 30 days

Players praise the deckbuilding freedom and elaborate synergies. Some players find card wording and ability terminology confusing.

Screenshots and trailer

Cubic Cosmos screenshot 1

Cubic Cosmos system requirements

Minimum: GeForce GTX 550 Ti, 4 GB RAM, 3 GB of disk space.

As published by the developer.

Can my PC run Cubic Cosmos?

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Minimum

OS
Windows 7
Processor
Intel Core i5-760 (4 * 2800); AMD Athlon II X4 645 AM3 (4 * 3100)
Graphics
GeForce GTX 550 Ti (3072 VRAM); Radeon HD 6850 (1024 VRAM)
Memory
4 GB RAM
Storage
3 GB available space

Recommended

OS
Windows 10
Processor
Intel Core i5-3470 (4 * 3200); AMD FX-4350 (4 * 4200)
Graphics
GeForce GTX 1050 2048 VRAM; Radeon RX 460 4096 VRAM
Memory
8 GB RAM
Storage
3 GB available space

Does Cubic Cosmos have co-op or multiplayer?

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

Does Cubic Cosmos run on Steam Deck?

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

  • Some in-game text is small and may be hard to read
  • All functionality is accessible with the default controller configuration
  • Shows Steam Deck controller icons
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows, macOS
Achievements
15
Steam features
Cloud saves, Family Sharing
Languages
Text only: English, Japanese, Simplified Chinese, Traditional Chinese.

Does Cubic Cosmos 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 27, 2026. How to filter AI games on Steam

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