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Watch trailer on Steam ↗Void Nebula
Cielesis · Published by Cielesis
Last updated 28 Sept 2026
Create, customize and fuse every card in this sci-fi roguelite deckbuilder where you battle foes, stack absurd items, and drag your handmade deck to the heart of the Nebula.
Indie, Strategy · 2026 · More free games
Explore the depths of space as you create and customize decks in Void Nebula, a strategy roguelite from Cielesis. Dive into a galaxy filled with endless possibilities and threats.
About this game
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About the Game
Start from scratch and craft a deck around your own custom cards to unleash absurd effects. Improve your basic set and optimise your build to reach the center of the Nebula, face the final boss and win the game.
Modify every parameter of existing cards to make them stronger.
Fuse any cards into one to combine their effects!
Try all sorts of combinations to discover special effects and modifiers.
Try your brand new cards on any foe blocking your way. Be careful, some of them may require specific strategies... Need to stall for time to charge a devastating attack? Feeling like annihilating your foe with no mercy nor delay? The choice is yours: just get to the next step.
Face more than 50 enemies during your journey.
Discover 30 random encounters to embrace your inner chaos.
Unlock new difficulties as you play.
Complete your deck with items to create synergies and use them to beat the hell out of your enemies. Buy even more stuff to trigger stronger combos. Optimise your strategy to become the most powerful traveller of the Void.
Collect 100 customisable and fusable cards with various mechanics.
Stack up to 70 items with effects you can amplify.
Adapt your gameplay to the incoming wave with 55 consumables.
Explore every corner of the Void, unlock secrets and rewards, and let the music shoot some rhythm in your adventure. Each expedition grants you more experience and new ways to play.
Meet 10 different characters to choose from at the start of a run.
Fill the Codex and discover new features as you complete achievements.
Listen to a dynamic and contemplative music.
System Requirements
Will my PC run this? →Minimum
- OS *: Windows 7, 8, 10, 11 x64
- Processor: Intel Core i3
- Memory: 1 GB RAM
- Graphics: OpenGL 2.1 compatible graphics card, integrated graphics
- Storage: 150 MB available space
- Additional Notes: Requires a 64-bit processor and operating system
Supported Languages
Latest news
Patch NotesOfficial
Playtest update 0.14.1 is out!
Update 0.14.1 is here !This balance a few cards, characters and enemies, as well as adding a few contents here and there. Of course, there is also a few bug fixing.To be fair, this patch was supposed to be WAY smaller, but playtesters found a lot of things.Balance changes:Precise Hit, Divergence and Deviation now act based on the color of the card, not a specific one.Deadlock now have more regeneration from (Regen 2 to Regen 6)Spore can now do “Nothing”, they do it more often than other enemies, too.Enemies status effects scale a little less, preventing getting 20 poisons from Spore each turn for exemple.Kali, Pisces, Ampyre and Toxinware now have better starting gear.Color converters now convert both colors of a fusion card.The card Justice is now Uncommon. (from Common)The card Overdrive now give 7 for each keywords. (from 5)Electrodeposition now require 10 000 DEF total to be unlocked. (from 2000)Toxic blade now inflict 3 poisons. (from 1)Toxine now inflict 4 poisons. (from 3)Blaze’s Heat Explosion is now less powerful, doing 7 damage per heat (from 10).The card Reinforced Shell now have the Stay keyword.The “Pitstop” random event now give +1 poison stat instead of increasing existing ones.Modifiers chances have been adjusted, Foil now have 5% of spawning (from 3%), Badge are now at 2% (from 1%) and Materials has been set to 2% (from 3%)Pillar is no longer immune to Poison. He is now protected instead.Other changes:Pisces and Karat now require less codex entries to be unlocked.The splash screen can now be skippedAdded a new intro to the splash screenThe Items Crafter now show if red items can be destroyed from the craft.You can now see your deck in the game over screen.You can now preview difficulties in the character selection screen.Enemy attacks and passives now a small animation when hovered.“Spheres” now go way faster in VERY FAST and TOO FAST.New contentAdded new cards.Green - DuplicateGrey - MeteorAdded new cheats.MonochromacyDeus Ex MachinaAdded new items...Read full article on Community Announcements (Cielesis)Patch NotesOfficial
PLAYTEST UPDATE 14 IS OUT!
Hello everyone, 0.14.0 is here, this is the final big update before the release of the game in late October/early November 2026.(Yes the cover image is saying "The binding of Void Nebula" read the changelog and you will understand)IMPORTANT:This update makes the game nearly completely playable, as such, the playtest feature will, in early September, go offline. The game is set to release in late October early November for 8€ and a demo will be available during the next Steam Fest.Join the discord!CHANGELOG:Features:Added the Achievements and Unlocks system!You can now, like in all good roguelikes, unlock the content as you play. It’s also mean that all content that playtesters could play before will now be locked behind achievements.I recommend deleting your save and start a new one if you already played before.Added the fusion recipes to the codex.Added the status effects to the codex.Content:Added lot of new items, cards and cheats.Added new fusion cards.New enemies have been added.Almost every older characters and enemies now have animated sprites, some of them have been remade entirely.QoL:Fast reset a set seed run will now keep the seed.Hidden items and cheats in the codex will now show their outlines.Enemy infos in the codex now display the exact HPs they can have.Added a feedback when maluses or bonuses are applied to the player or the enemy.Others:Greatly improved game size by removing useless files.UI is now more consistent around the whole game.Added a way to start special fights for new events.Balance changes:Some foils effects are now slighty better.The shop and the cheats “Random Scout”, “Chrysopeia” and “Holo Dragon” will now have the secrets modifiers in their random pool if you already discovered them.Fusing a card with a secret modifier and a card with a normal modifier will pick a random one between the two.The Files Deleter does not give a cheat anymore.Fixed bugs:Fixed a bug where Screenshake setting would not work properly.Fixed a visual bug whe...Read full article on Community Announcements (Cielesis)AnnouncementsOfficial
Discover the playtest right now!
Hello dear players.As of the 8th of May, 2026, the game is now 70% complete I would say, the last tasks are all about unlocks and progression and of course, polishing the game.In the next few months, the playtest will come to an end before the demo release and only a few players are going to be able to play the full game in advance. The game is set to release in October 2026, right after the Steam Next Fest.So, before that, why not play the game right now? The playtest is open to anyone and any reviews are appreciated!We also have a Discord, give it a shot!Join the DiscordAnyway, thanks to each and every player that has already explored the Nebula of the Void, and I'll see you next time!Read full article on Community Announcements (Cielesis)






