4089: Ghost Within

Released Jan 2015

Sneak & battle your way through a procedurally generated mothership in this stealth action RPG! Supports user content & the Oculus Rift!

60% positive · 107 reviews

Done

All announced content has been released

High confidence

Done

All announced content has been released

High confidence

Where to buy

Steam Updated 6 Oct 2026 Lowest $1.49 $5.99 −75% Green Man Gaming Steam key Updated 12 Oct 2026 $5.99

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Evaluation

4089: Ghost Within launched on January 9, 2015 as a complete stealth action RPG. The developer, Phr00t's Software, is a solo/small indie developer who has been consistently active — but that activity has been focused almost entirely on other games in their portfolio, such as 8089, FPS Infinite, Superbot Arena, and others. The news posts for this game's store page show no updates or patches specific to 4089 itself; the developer's announcements are cross-posted promotions for their newer titles. There are no unreleased DLC listings, no roadmaps, and no developer statements indicating future content for 4089. The store description describes a finished product with no mentions of planned additions. The game launched as a complete package and has received no post-launch content updates or developer communications suggesting more content is coming. Phr00t's Software continues to be active as a developer, but 4089 itself appears to have launched complete and has not received additional content development.

Evidence

Store description presents a fully-featured game with three game modes, procedural generation, and user content support — no mention of planned future updates or additional content.

store metadata · Jan 9, 2015 source content shipped

medium

Developer's most recent news post announces a different game (Superbot Arena), not any update or content for 4089.

news post · Aug 14, 2023 source ambiguous

low

Media

Details

Developer

Phr00t's Software

Publisher

Phr00t's Software

Achievements

—

Platform

Windows, macOS, Linux

Controller

partial support

Steam Deck

Not rated

Players

Single-player

Action RPG Indie Action Roguelike FPS Procedural Generation First-Person Roguelite Sci-fi Futuristic Roguelike Action RPG VR Stealth

About this game

Sneak & battle your way through a procedurally generated mothership in this stealth action RPG! Supports user content & the Oculus Rift!

Please follow Phr00t's Software for giveaways, updates & more!

4089 takes many of the things you loved from 3079 & 3089, like character customization via stat points, grappling hooks, special powers, building options, futuristic settings, random enemies, weapons, and environments. Then, it presents itself in a much more focused game that gets you into the action easier and faster. 4089 takes more influence from the roguelike genre & has more emphasis on stealthy elements than ever before.

You'll be able to battle & sneak through a procedurally designed ship. Hack cameras & locked doors. Build walls for cover. Break down secret walls to discover new paths. Choose whether you are playing for the full adventure, or just a quick challenge. Edit or create your own rooms, enemies, weapons, textures, models & sounds, then share them with the world!

4089: Ghost Within has 3 game modes, "Normal" mode (skill points are lost at death), "Limited Lives" mode (no skill points are lost, but you only have 4 lives) & "Permadeath" mode (you only have 1 life).

Also, find out how the worlds of 3079 & 3089 connect in this sequel and decide what to do with the all powerful Overlord.

Java 8 comes bundled with 4089. However, you may need to install Java 8 on Linux or Mac to run. If you are having trouble installing or running 4089, please uninstall old versions of Java & re-install the latest from .