Orxonox

I suggest a new menu layout for later releases:
1.) The user decides between single/ multiplayer.
2.) The user decides which gametype / campaign he wants to play.
2.1) The user adjusts the config values.
3.) The user selects a proper level.
The numbers (1-3) represent on which menu sheet the corresponding action would be carried out.
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I think this task should be done after the first release - or at least it shouldn't retard the release. At the moment I'm not 100% sure how to implement this on the level sinde, since a gametype is somehow "bound" to a level. One way would be to create a separate level for each gametype-level combination - the hardcoded way.
Another way could be a lua script in each level which sets the gametype-value according to a config value that is set, when a user selects a level in the menu. Unfortunately I don't know where to insert such a config value.

yes indeed, this proposal is close to what we know from other multiplayer games like unreal tournament and the likes. There are a few design questions related to the topics "config values <-> game settings" and "gametype <-> level", thus it's not possible to implement this straight forward, but it's definitely an open task.