Game overview
Stellar Overload
Robots invaded the peaceful planet Merx. Go on an adventure to free your world from them. Stellar Overload is a 3D open-world, blocks-based, FPS, adventure game.
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- Steam reviews
- 68.1% positive 620 reviews · via SteamSpy
Delayed observation · last tracked . Values marked unavailable are not estimated.
About this game Read the full description
Stellar Overload is an adventure game, in a world made of blocks. The playground, completely open, is made up of different cubic planets. While progressing through the science fiction scenario, you will have to explore all these planets, alone or with others...
Each planet has its specific set of resources. By exploring them, you will unlock access to new technologies. Merx, the small green planet, is the first planet of the game.

Stellar Overload is a scenarized adventure game where you’ll go on a quest to free the planet Merx from the yoke of the robots.

Some characters, directly related to the main quest, will give you valuable information to help you progress.
Features related to the story and progression:
- Possibility to customize your character
- Dialogues related (or not) to the quests
- Monitor your quest objectives in real-time
- A progression curve related to the quests but also to exploration
- Planets (and enemies) of different levels

While progressing through the main quest, exploring the world and the dungeons, you’ll unlock more and more recipes. These recipes will help you get stronger and go further into the adventure.
You will need raw resources to create various objects (tools, weapons, armors...). You can find these resources by different ways: pick them up directly on the planets, find them in chests or get them as quest rewards.
Exploration and craft features:
- A global map of the planets
- A minimap
- A jetpack to travel through the caves more easily
- Possibility to create a vehicle to move faster
- Different craft stations
- Glowblocks will help you enlighten the caves
- Different levels of gauntlet in order to pick up the various blocks of the game
- Teleportation (within a dungeon or between planets)
- Semi procedural dungeons
- Evolving music and soundscape based on the day-night cycle

To defend yourself against your enemies, you will rely on the creative talents of some important characters in the story, and learn how to create weapons and armors.

The Block-Thrower is an exotic weapon, it can load any of the game’s blocks and throw them at enemies. Depending on the nature of the blocks, damage and effects will be different. Damage aside, if you throw a Glowblock against a cave wall, it will enlighten the cave.
Features related to fighting in this early access version:
- 5 different weapons: the pistol, the rifle, the Block-Thrower, the sonic carbine and the grenades
- 1 armor to greatly reduce damage
- 6 different enemies (Arkuloids, Cognitrons, Legionnaire robots, Plasma turrets, Tesla pylons)
- A boss in the fortress

Since Stellar Overload is a game made of blocks, the construction (and harvest) is an important aspect of the game.
You can build all types of structures but also vehicles, which will facilitate the exploration of the planets.
A creative mode is available, allowing you to unleash your imagination without worrying about the scenario.
Construction features:
- 6 different shapes of blocks
- Easily place and destroy walls (straight or sloping)
- A tool to "paint" the targeted area with a certain material (adjustable size)
- A tool to save a construction and place it elsewhere ("copy/paste")
- Possibility to define an alignment grid (to facilitate the placement of shapes)
- Undo / Redo : very useful in creative mode!
- More than 200 different materials
Merx, the first planet of the game, which is also the smallest, is 1200 blocks long per side, with an area of 1.4 million blocks for each face.
It has a total area of 540,000 m² and is composed of about 2 billion blocks!
For the planet Skahar, the largest, which is 8000 blocks long per side, each face has an area of 64 million blocks. The whole planet has a total of about 500 billion blocks!
The playground
Each planet has its specific set of resources. By exploring them, you will unlock access to new technologies. Merx, the small green planet, is the first planet of the game.Story and important characters

Stellar Overload is a scenarized adventure game where you’ll go on a quest to free the planet Merx from the yoke of the robots.

Some characters, directly related to the main quest, will give you valuable information to help you progress.
Features related to the story and progression:
- Possibility to customize your character
- Dialogues related (or not) to the quests
- Monitor your quest objectives in real-time
- A progression curve related to the quests but also to exploration
- Planets (and enemies) of different levels
Exploration and craft

While progressing through the main quest, exploring the world and the dungeons, you’ll unlock more and more recipes. These recipes will help you get stronger and go further into the adventure.
You will need raw resources to create various objects (tools, weapons, armors...). You can find these resources by different ways: pick them up directly on the planets, find them in chests or get them as quest rewards.
Exploration and craft features:
- A global map of the planets
- A minimap
- A jetpack to travel through the caves more easily
- Possibility to create a vehicle to move faster
- Different craft stations
- Glowblocks will help you enlighten the caves
- Different levels of gauntlet in order to pick up the various blocks of the game
- Teleportation (within a dungeon or between planets)
- Semi procedural dungeons
- Evolving music and soundscape based on the day-night cycle
Combat

To defend yourself against your enemies, you will rely on the creative talents of some important characters in the story, and learn how to create weapons and armors.

The Block-Thrower is an exotic weapon, it can load any of the game’s blocks and throw them at enemies. Depending on the nature of the blocks, damage and effects will be different. Damage aside, if you throw a Glowblock against a cave wall, it will enlighten the cave.
Features related to fighting in this early access version:
- 5 different weapons: the pistol, the rifle, the Block-Thrower, the sonic carbine and the grenades
- 1 armor to greatly reduce damage
- 6 different enemies (Arkuloids, Cognitrons, Legionnaire robots, Plasma turrets, Tesla pylons)
- A boss in the fortress
Construction

Since Stellar Overload is a game made of blocks, the construction (and harvest) is an important aspect of the game.
You can build all types of structures but also vehicles, which will facilitate the exploration of the planets.
A creative mode is available, allowing you to unleash your imagination without worrying about the scenario.
Construction features:
- 6 different shapes of blocks
- Easily place and destroy walls (straight or sloping)
- A tool to "paint" the targeted area with a certain material (adjustable size)
- A tool to save a construction and place it elsewhere ("copy/paste")
- Possibility to define an alignment grid (to facilitate the placement of shapes)
- Undo / Redo : very useful in creative mode!
- More than 200 different materials
A few numbers in blocks
Merx, the first planet of the game, which is also the smallest, is 1200 blocks long per side, with an area of 1.4 million blocks for each face.
It has a total area of 540,000 m² and is composed of about 2 billion blocks!
For the planet Skahar, the largest, which is 8000 blocks long per side, each face has an area of 64 million blocks. The whole planet has a total of about 500 billion blocks!
Media gallery 15 screenshots · 0 videos
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Latest news
All news on Steam ↗System requirements Windows · macOS · Linux
Windows
Minimum
Minimum:- Requires a 64-bit processor and operating system
- OS *: Windows 7 SP1 or above (64-bit Operating System Required)
- Processor: Quad‑core Intel Core i5 or AMD equivalent
- Memory: 8 GB RAM
- Graphics: AMD Radeon HD 7870 (2GB) or NVIDIA GeForce GTX 660 (2GB)
- DirectX: Version 11
- Network: Broadband Internet connection
- Storage: 5 GB available space
Recommended
Recommended:- Requires a 64-bit processor and operating system
- OS *: Windows 7 SP1 or above (64-bit Operating System Required)
- Processor: Quad‑core Intel Core i7 or AMD equivalent
- Memory: 16 GB RAM
- Graphics: AMD Radeon RX 480 or NVIDIA GTX 970
- DirectX: Version 11
- Network: Broadband Internet connection
- Storage: 5 GB available space
macOS
Minimum
Minimum:- OS: Mac OS X El Capitan (10.11.6) or above (64-bit Operating System Required)
- Processor: Quad‑core Intel Core i5
- Memory: 8 GB RAM
- Graphics: Equivalent to AMD Radeon HD 7870 (2GB) or NVIDIA GeForce GTX 660 (2GB). Metal support required
- Network: Broadband Internet connection
- Storage: 5 GB available space
Recommended
Recommended:- OS: Mac OS X Sierra (10.12.2) or above (64-bit Operating System Required)
- Processor: Quad‑core Intel Core i7
- Memory: 16 GB RAM
- Graphics: Equivalent to AMD Radeon RX 480 or NVIDIA GTX 970. Metal support required
- Network: Broadband Internet connection
- Storage: 5 GB available space
Linux
Minimum
Minimum:- OS: Ubuntu 15.10 or above (64-bit Operating System Required)
- Processor: Quad‑core Intel Core i5 or AMD equivalent
- Memory: 8 GB RAM
- Graphics: AMD Radeon HD 7870 (2GB) or NVIDIA GeForce GTX 660 (2GB)
- Network: Broadband Internet connection
- Storage: 5 GB available space
Recommended
Recommended:- OS: Ubuntu 15.10 or above (64-bit Operating System Required)
- Processor: Quad‑core Intel Core i7 or AMD equivalent
- Memory: 16 GB RAM
- Graphics: AMD Radeon RX 480 or NVIDIA GTX 970
- Network: Broadband Internet connection
- Storage: 5 GB available space
Game details Languages, features & support
- Publisher
- Cubical Drift
- Features
- Single-player, Multi-player, Co-op, Cross-Platform Multiplayer, Family Sharing
- Languages
- English, French, German, Portuguese - Brazil
- Website
- Official website ↗
- Support
- Support site ↗
Compatibility & accessibility Steam Deck, controllers & access features
Can I Play This?
Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unknown
Valve compatibility test
Input
Controller support: unknown
Structured language support (4)
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | Yes | No | No |
| French | Yes | No | No |
| German | Yes | No | No |
| Portuguese - Brazil | Yes | No | No |
Third-party requirements shown by Steam
Requires agreement to a 3rd-party EULA Stellar Overload EULA
Steam store page
fresh · checked 2026-10-06
PCGamingWiki technical notes
External link only; SteamIQHQ does not ingest PCGamingWiki content.
More analysis Activity patterns, updates & developer tools
Game Insights
Value Score
Fair Value — 50th percentile.
Price-to-player ratio ranks in the 50th percentile.
▬
Market pricing tier
Genre Benchmarks
Player Count
Top 62%
Early Access Abandoned
Time in EA
237 days
Updates
10
Activity Heatmap
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Developer Analytics
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Frequently Asked Questions
Is Stellar Overload free to play?
Yes, Stellar Overload is free to play on Steam.
What genre is Stellar Overload?
Stellar Overload is a Adventure, Indie, RPG, Early Access game.
Who developed Stellar Overload?
Stellar Overload was developed by Cubical Drift and published by Cubical Drift.
What platforms does Stellar Overload support?
Available on Steam for Windows, macOS, Linux.
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