A new release of the free, open-source real-time strategy game of ancient warfare, 0 A.D. Alpha 23 “Ken Wood”, was released a day ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 17.10, Ubuntu 16.04.

New features in 0 A.D. Alpha 23 according to the release note:

• New Civilization: Kushites
• Mod Downloader
• Cavalry and Spartan Building Models
• Combine Victory Conditions
• Attack Range Visualization
• Diplomacy Colors
• Destruction Damage
• Unit Information Dialog
• AI Behavior
• Lobby Authentication to prevent impersonation
• Nomad Mode on all Random Maps
• New Random Maps: Lower Nubia, Jebel Barkal, Elephantine, Fields of Meroë, Hellas, Dodecanese, Scythian Rivulet

How to Install 0 A.D. alpha 23 in Ubuntu:

The Wildfire Games team offers an official PPA that contains the latest packages for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 17.10, and their derivatives.

1. Open terminal (Ctrl+Alt+T) and run command to add the PPA:

sudo add-apt-repository ppa:wfg/0ad

Type your password (no visual feedback while typing due to security reason) when prompts and hit Enter.

2. Then upgrade the game from an existing release via Software Updater:

Or simply run commands to update and install the game:

sudo apt-get update

sudo apt-get install 0ad 0ad-data

Uninstall:

Purge the PPA via the following command will remove the PPA as well as downgrade 0 A.D. to its stock version in your Ubuntu:

sudo apt-get install ppa-purge && sudo ppa-purge ppa:wfg/0ad

If you still want to remove the game, either use your system package manager or run command:

sudo apt-get remove --autoremove 0ad 0ad-data