๐ฏ About
CobaltX is a Linux distribution built specifically for gamers, on the rock-solid foundation of Arch Linux. It comes pre-configured with the complete Linux gaming stack โ no setup required, no driver hunting, no terminal tinkering. Just install, sign in, and play.
Built from scratch using archiso with a custom Calamares installer, custom branding, and the linux-zen kernel for low-latency desktop performance.
โจ What's New in v0.2 "Sparked"
- ๐จ Plymouth boot splash โ Beautiful animated boot with the CobaltX logo on dark navy
- ๐ฆ yay pre-installed โ Full AUR access out of the box
- ๐ป NVIDIA one-click installer โ Detects GPU, installs proprietary drivers, configures Wayland
- ๐ฆ CobaltX Welcome App โ Custom first-boot experience (native PyQt6 + WebEngine)
- ๐ฏ Improved KDE integration โ Custom icons, no duplicate popups, polished defaults
- โจ Rebranded to Sparked โ Fresh version, latest linux-zen and KDE Plasma 6
โจ Highlights
- ๐ฎ Complete gaming stack pre-installed โ Steam, Heroic Games Launcher, Bottles, Lutris, Wine, RetroArch, MangoHud, GameMode
- โก linux-zen kernel โ Optimized for low-latency desktop and gaming workloads
- ๐ฅ๏ธ KDE Plasma 6 โ Modern, beautiful, fully-featured desktop environment
- ๐ฆ Arch Linux foundation โ Bleeding-edge packages, full AUR access, rolling release
- ๐จ Custom CobaltX branding โ Polished UI from boot to desktop
- ๐ Modern boot โ systemd-boot with UEFI support, plus Plymouth splash
- ๐ก๏ธ Ready for NVIDIA โ Intel and AMD GPUs work out of the box; NVIDIA via one-click installer
- ๐ฆ Custom Welcome App โ First-boot greeter with quick actions & system info
๐ฅ Download
The latest CobaltX ISO is available at the official website.
Current release: CobaltX 0.2 "Sparked" โ cobaltx-0.2-x86_64.iso (~6.0 GB)
๐ Installation
- Download the CobaltX ISO from the website
- Flash it to a USB stick (8 GB+) using:
- Ventoy (recommended โ multiboot USB)
- Rufus (Windows)
- balenaEtcher (cross-platform)
- Or
dd:(Replacesudo dd if=cobaltx-0.2-x86_64.iso of=/dev/sdX bs=4M status=progress
/dev/sdXwith your USB device โ be careful!)
- Boot from USB (UEFI mode required)
- Click "Install CobaltX" on the desktop
- Follow the Calamares installer wizard
- Reboot and enjoy!
๐ฎ What's Inside
CobaltX includes everything you need to game on Linux out of the box:
Gaming Platforms
- ๐ฎ Steam โ with Proton for Windows games
- ๐ฆ Heroic Games Launcher โ Epic Games, GOG, Amazon Prime Gaming
- ๐ถ Bottles โ Run Windows apps in isolated environments
- ๐ฏ Lutris โ Universal game manager
- ๐น๏ธ RetroArch โ Retro game emulation frontend
Compatibility & Tools
- ๐ท Wine โ Windows compatibility layer
- โ๏ธ GameMode โ CPU/GPU optimization during gameplay
- ๐ MangoHud โ Performance overlay (FPS, temps, etc.)
- ๐ฅ OBS Studio โ Screen recording & streaming
- ๐ฌ Discord โ Voice chat with your team
System Components (v0.2 additions)
- ๐จ Plymouth โ Animated boot splash
- ๐ฆ yay โ AUR helper pre-installed
- ๐ป NVIDIA installer โ One-click GPU driver setup
- ๐ฆ CobaltX Welcome App โ First-boot experience
๐ง System Requirements
| Component | Requirement |
|---|---|
| CPU | x86_64 (Intel/AMD 64-bit) |
| RAM | 4 GB minimum ยท 8 GB recommended |
| Storage | 30 GB minimum |
| Boot | UEFI required |
| GPU | Intel/AMD (out of box) ยท NVIDIA (one-click installer) |
๐ ๏ธ Build From Source
Advanced users can build CobaltX from source:
# Clone this repository git clone https://github.com/MrDomination/cobaltx.git cd cobaltx # Build the ISO (requires archiso, ~50-70 min) sudo rm -rf cobaltx-buildwork sudo mkarchiso -v -w cobaltx-buildwork -o out .
The built ISO will appear in out/cobaltx-0.2-x86_64.iso.
๐ค Contributing
CobaltX is open source! Contributions are welcome:
- ๐ Report bugs in Issues
- ๐ก Suggest features in Discussions
- ๐ Improve documentation
- ๐ Translate the distro
โ Support CobaltX
CobaltX is a one-person project built in spare time. If you find it useful, consider supporting development:
- โ Buy me a coffee โ directly funds late-night coding for v0.3
- โญ Star this repo โ free, instant, and means a lot
- ๐ข Share CobaltX โ tell other Linux gamers about it
- ๐ Report bugs and feedback โ helps make v0.3 better
๐ Roadmap
Planned for future releases:
- ๐ช Custom SDDM login theme
- ๐จ Improved KDE defaults (dark mode, dock, effects)
- ๐ก๏ธ Security hardening defaults
- ๐ฎ Steam Deck-style Game Mode
- ๐ฅ๏ธ Better hardware detection & recommendations
- ๐ฆ Enhanced package selection
โ ๏ธ Known Issues
- v0.2 "Sparked" โ Some rough edges may still exist; please report what you find!
- SDDM login screen uses default Breeze theme (custom theme deferred to v0.3)
๐ License
CobaltX is licensed under the GNU General Public License v3.0. See LICENSE for the full text.
Individual software packages included in CobaltX retain their own licenses.
๐ค Author
CobaltX is crafted in Phuket, Thailand by a passionate gamer who wanted Linux to be the best gaming OS possible.