It doesn't explicitly say Windows, and your game is running under a Windows emulation layer. Guild Wars 2 is marked as incompatible until 1.2.5, so it probably won't work on Linux anyway if it's incompatible on Windows.
It doesn't explicitly say Windows, and your game is running under a Windows emulation layer. Guild Wars 2 is marked as incompatible until 1.2.5, so it probably won't work on Linux anyway if it's incompatible on Windows.