The filename of the finished installer follows the rules of the
Naming schema
Game can be started with a symlink (when using a Loki installer), from outside the install directory and through the menu
Make sure that you deleted the configuration in ~/.CONFIGDIR before you start the game the first time
The menu entry is in the correct category (Games)
Switching the resolution of the game works (if this option is available)
Multiplayer via network works (if available)
Sound works (intromovie, menu, in-game)
Have a look at the readme (spelling errors, mission information, old version number, depencies, etc)
Test if the uninstall option works (does not leave any files)