Sublight

Top-down space roguelite about building a battleship to fight swarms

CODEBREW SOFTWARE LTD · Released Sep 15, 2026 · Early Access

Reviews: Very Positive; 88% of 123
Recent reviews: Very Positive; 85% of 42 in 30 days
Players: 17; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 1 week ago; Oct 20, 2026
Minimum PC: DX10; 4 GB RAM · 6 GB disk; Full requirements

What is Sublight?

A single-player action roguelite set in a galaxy of rebel fleets and alien swarms. You pilot a battleship through hostile sectors, destroying enemies for salvage and leveling up during runs. You equip turrets and stack passive upgrades, accounting for each weapon’s firing arc.

For you if...

+you enjoy maneuvering bulky ships into firing position
+you like earning new ships and equipment across repeated runs

Not for you if...

−you dislike fighting large swarms of enemies

What players say

88% of 123 reviews are positive · 85% of 42 in the last 30 days

Players praise the weapon combinations and ship customization. Recent reviews commonly criticize limited content and repetitive encounters.

Screenshots and trailer

Sublight system requirements

Minimum: DX10, 4 GB RAM, 6 GB of disk space.

As published by the developer.

Can my PC run Sublight?

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Minimum

OS: Windows 10 version 21H1 (build 19043) or newer
Processor: Intel Core i3 (4th gen or newer) / AMD equivalent
Graphics: DX10, DX11, DX12 or Vulkan capable GPUs
Memory: 4 GB RAM
Storage: 6 GB available space

Does Sublight have co-op or multiplayer?

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

Single-player

Does Sublight run on Steam Deck?

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

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Some in-game text is small and may be hard to read
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, Linux
Steam features: Cloud saves, Family Sharing
Languages: Text only: English, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil, Russian, Simplified Chinese.

Does Sublight 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