Free vallheru software for linux

Vallheru is a turn-based, fantasy MMORPG written in PHP and MySQL (but may work with many other databases) with Smarty Template Engine, ADOdb, and PHP Mailer.
It is based on Gamers-Fusion 2.5 with many modifications in security, speed, and features. Vallheru is currently available only in Polish.
Whats New in 1.3 Beta Development Release:
- This version contains many changes in the game interface making it simpler to mine and explore forests and mountains.
- Some new features were added, such as the ability for players to add their own links to the menu and to report bugs while in the game.
- Additionally, this release has a new quest, a few changes in game mechanics (especially alchemy and mage items and spells).
- For administrators, some security and normal bugs were fixed, some code optimization was done, and new versions of third-party software are used.
Whats New in 1.0.9 Stable Release:
- BUG,train.php: fixed bug with train condition
- BUG,languages/pl/checkexp.php: fixed bug in text
- BUG,landfill.php, bank.php, outposts.php, tribes.php, house.php, tribearmor.php, tribeware.php, includes/head.php: fixed possible integer overflow