Nienix: Cosmic Warfare

Top-down space looter shooter with physics-based bullet hell combat

HolmCom · Released Mar 24, 2023

Reviews: Very Positive; 85% of 355
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 10 months ago; Dec 20, 2025
Minimum PC: OpenGL 2.0+ support; 2 GB RAM · 1 GB disk; Full requirements

What is Nienix: Cosmic Warfare?

This top-down action RPG takes place in procedurally generated galaxies, where factions seek the artifact Nienix. You pilot a ship, shoot enemies, and collect gear through a campaign playable alone or with up to six players. Separate deathmatch and team-based PvP matches support up to forty players.

For you if...

+you like changing playstyles without committing to a fixed class
+you enjoy combat that tests your piloting skills

Not for you if...

−you want simple equipment without layers of randomized modifiers

What players say

85% of 355 reviews are positive

Players praise the variety of weapons and ships available to find and experiment with. A recurring complaint is that tight dungeon corridors make larger ships difficult to use.

Screenshots and trailer

Nienix: Cosmic Warfare system requirements

Minimum: OpenGL 2.0+ support, 2 GB RAM, 1 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7
Processor: Dual Core 2GHz
Graphics: OpenGL 2.0+ support
Memory: 2 GB RAM
Storage: 1 GB available space

Does Nienix: Cosmic Warfare have co-op or multiplayer?

Yes: co-op online and LAN; PvP online and LAN. It also has a single-player mode. Crossplay with other platforms is declared.

Does Nienix: Cosmic Warfare run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, macOS, Linux
Achievements: 34
Steam features: Workshop, Cloud saves, Family Sharing
Languages: Full audio: English, Simplified Chinese, Russian, Catalan.

Does Nienix: Cosmic Warfare 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