# CobaltX 0.3 adds X Mode, handheld support for gaming Linux distro

> **Key takeaway:** CobaltX 0.3 introduces X Mode, a full-screen controller-first game launcher with dedicated login session, plus handheld device support via Handheld Daemon.

**Published:** 2026-10-18T10:52:10+00:00 
**Source:** DistroWatch Weekly & News 
**Category:** distro-news 
**Canonical URL:** https://fosswire.org/news/cobaltx-03-adds-x-mode-handheld-support-for-gaming-linux-dis.html 

## Summary
Anton Batishchev has released CobaltX 0.3, an Arch Linux-based gaming distribution. The update adds X Mode, a full-screen game launcher accessible as its own login session, alongside support for handheld devices including ROG Ally, Legion Go, and MSI Claw. The release also includes a themed on-screen keyboard, controller-based desktop navigation, and tools for managing TDP, brightness, and volume.

## What changes in CobaltX 0.3
- **X Mode**: full-screen, controller-first launcher with its own login session; integrates Steam, Heroic, Bottles, Lutris, and user-added games
- **Handheld support**: built-in controls and back buttons via Handheld Daemon for ROG Ally family, Legion Go, MSI Claw, and others
- **Quick settings and TDP controls**: performance modes, power limit in watts, brightness, and volume available in both X Mode and desktop
- **CobaltX keyboard**: themed on-screen keyboard that works with any app or game via controller or touch input
- **Controller cursor**: analog stick functions as mouse on desktop
- **Library management**: manual addition of AppImages, .exe files, scripts, or ROMs; app switcher with force-close for frozen applications

## Why it matters
CobaltX joins a growing field of gaming-focused Linux distributions competing for handheld and living-room PC users, with X Mode representing an explicit interface choice comparable to Steam Big Picture or Bazzite's gaming mode.