Sublevel Zero Redux
Released Oct 2015
Sublevel Zero Redux is a roguelite six-degree-of-freedom shooter in a universe where reality is falling apart. Use your zero-g gunship to fight through a vast underground facility, looting advanced weapons to destroy hordes of deadly enemies.
86% positive · 528 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
Steam $14.99 Green Man Gaming Steam key $14.99
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Evaluation
Sublevel Zero launched on October 8, 2015 and received a series of post-launch patches adding features like Mac/Linux support, challenge rooms, and VR improvements. The game's major content development culminated on July 13, 2017, when the free Redux expansion launched on PC — bringing a restructured campaign, new enemies, difficulty modes, new starting classes, full VR support, and more. This was explicitly framed as "the definitive version of the game."
After the Redux update shipped in July 2017, developer communications slowed to bug fixes and minor patches. The last meaningful developer news was a 10th anniversary post on October 8, 2025, in which Sigtrap released a retrospective e-book, unlocked archival pre-launch builds for fans to explore, and casually mentioned they had been "tinkering" with a very early-stage sequel concept. Importantly, the anniversary post was explicitly celebratory and retrospective in nature — looking back on the game's history — with no announcement of further content for Sublevel Zero Redux itself.
The only DLC listed is the soundtrack, which released in October 2015 and is fully available. There are no unreleased DLC items, no announced future updates, and no roadmap for additional content. The developer's post-2017 silence on game content, combined with the retrospective framing of the anniversary post, points clearly to a game that has been content-complete since the Redux expansion launched.
Evidence
The Redux expansion launched as a free update, described by the developer as 'the definitive version of the game.' Major features included a restructured campaign, new enemies, difficulty modes, new starting classes, and full VR support.
On the game's 10th anniversary, the developer released a retrospective e-book, unlocked archival pre-launch builds, and briefly mentioned early-stage tinkering on a potential sequel. No new content for Sublevel Zero Redux was announced.
Content
1 of 1 released · no outstanding content
Media
Details
Developer
Publisher
Sigtrap
Achievements
27
Platform
Windows, macOS, Linux
Controller
full support
Steam Deck
Playable
Players
Single-player
About this game
Sublevel Zero Redux is a roguelite six-degree-of-freedom shooter set in a universe where reality is falling apart. With your gunship, fight in zero-g through a vast, procedurally generated underground facility to recover the technology you need to escape the many dangers hidden around every corner. Featuring a brand new expansion that adds hours of new content, the action is more intense than ever.
The Redux expansion brings many new features to the game, including a restructured campaign, new enemies, difficulty modes, new starting classes and much more.
Strap on your Oculus Rift or HTC Vive and experience Sublevel Zero in Virtual Reality with an immersive cockpit view and VR-enabled weaponry.
Please note: It is suggested that Sublevel Zero Redux VR players use a traditional gane controller. The game is NOT compatible with VR controllers.
Your gunship is free to fly and rotate in all directions. You can attack from any angle, and so can your enemies. Inspired by classics such as Descent and Forsaken, Sublevel Zero’s retro gravity-defying combat is driven by modern looting and crafting.
No lives. No saves. Fight your way through a different procedurally generated environment every time. Make every shot, every decision count. A wide range of environments stand in your way, from industrial zones to mining caverns. Think on your feet and adapt to each one’s hazards before it’s too late.
Collect a wide range of randomly-generated weapons, upgrades and game-changing items. Craft them together to equip your gunship for your play style. Unlock more items and blueprints as you play and keep those unlocks across playthroughs.
The Redux expansion brings many new features to the game, including a restructured campaign, new enemies, difficulty modes, new starting classes and much more.
Strap on your Oculus Rift or HTC Vive and experience Sublevel Zero in Virtual Reality with an immersive cockpit view and VR-enabled weaponry.
Please note: It is suggested that Sublevel Zero Redux VR players use a traditional gane controller. The game is NOT compatible with VR controllers.
Your gunship is free to fly and rotate in all directions. You can attack from any angle, and so can your enemies. Inspired by classics such as Descent and Forsaken, Sublevel Zero’s retro gravity-defying combat is driven by modern looting and crafting.
No lives. No saves. Fight your way through a different procedurally generated environment every time. Make every shot, every decision count. A wide range of environments stand in your way, from industrial zones to mining caverns. Think on your feet and adapt to each one’s hazards before it’s too late.
Collect a wide range of randomly-generated weapons, upgrades and game-changing items. Craft them together to equip your gunship for your play style. Unlock more items and blueprints as you play and keep those unlocks across playthroughs.
Are these done yet?
Last evaluated Jun 28, 2026
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