Stellar Overload
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About Stellar Overload
Stellar Overload is an adventure game set in an open world of cubic planets. You explore the planets alone or with others, gather resources, craft equipment and build structures as you follow a science-fiction quest to free Merx from the robots.
Explore the planets
Each planet has its own resources, and exploring them unlocks new technologies. Merx, a small green planet, is the first planet in the game. You can find raw materials on planets, in chests and as quest rewards, then use them to make tools, weapons and armor. Exploring the main quest, the world and its dungeons unlocks further crafting recipes to help you grow stronger and travel farther.
The game includes a global planet map and a minimap, a jetpack for moving through caves, vehicles for faster travel, and teleportation within dungeons or between planets. Dungeons are semi-procedural, and the music and soundscape change with the day-night cycle. Glowblocks light up caves, while gauntlets of different levels let you pick up different blocks.
Follow the story
Characters connected to the main quest provide information to help you progress. You can customize your character, take on quests with related or unrelated dialogue, and track objectives in real time. Progression is tied to both quests and exploration, and planets and enemies have different levels.
Fight the robots
You learn to make weapons and armor with help from characters in the story. The Block-Thrower can launch any block in the game; its damage and effects depend on the block, and throwing a Glowblock against a cave wall lights the cave. The early access version includes:
- 5 weapons: the pistol, rifle, Block-Thrower, sonic carbine and grenades
- 1 armor that greatly reduces damage
- 6 enemy types: Arkuloids, Cognitrons, Legionnaire robots, Plasma turrets and Tesla pylons
- A boss in the fortress
Build and create
You can harvest blocks and build structures and vehicles to aid exploration. Creative mode lets you build without needing to follow the story. Building tools support six block shapes, straight or sloping walls, adjustable area painting, saving and placing constructions elsewhere, and an alignment grid. You can also undo and redo actions. More than 200 materials are available.
The planets in numbers
Merx, the smallest planet, measures 1,200 blocks per side. Each face covers 1.4 million blocks, and the planet has a total area of 540,000 m² and about 2 billion blocks. Skahar, the largest planet, measures 8,000 blocks per side; each face covers 64 million blocks, and the planet contains about 500 billion blocks.
Frequently asked questions
The best price for Stellar Overload is $14.03 at Difmark. 5 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Stellar Overload stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Stellar Overload are: Windows 7, Radeon HD 7870, Intel Core i5, 8 GB RAM, 5 GB storage. It also runs on macOS. The recommended specs are in the System requirements section.
Yes. Stellar Overload has multiplayer and a single-player mode. Players on different platforms can play together.
Yes. Stellar Overload is the full base game. You need nothing else to play it.











