Frozenbyte has announced Trine 2 is now available for Linux users. Trine 2 is $14.99 for the regular edition and $24.99 gets you the Collector’s Edition complete with soundtrack and art book. Here is a piece of their press release:
The Linux version of Trine 2 includes all the features available in the game, including online co-op. Once the game moves out of the beta phase, the Linux version will also be able to play multiplayer with Mac users. A variety of recent distributions are supported, including Ubuntu 10.10/11.04/11.10, Fedora 16, OpenSUSE 12.1 and Linux Mint 12. Other distributions could work as well but may require additional library installations manually. The Linux version will also come to other distribution channels later in the year, including Desura™ and Gameolith.