StAtiC9: I am pretty disappointed that us GOGers aren't allowed into the beta.
Unfortunately, GOG doesn't have any support for betas. Presumably if the beta is opened up more so that anyone can get a key, GOG pre-orderers would be first in line.
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StAtiC9: I've also been seeing some posts stating that GOG versions of Dragon Commander won't be multiplayer compatible with Steam versions of it.
GOG has a warning on the Dragon Commander page that states the multi-player "...is compatible only with the DRM-free versions of the game bought on GOG.com". However, that is incorrect.
This was posted in the Larian forum:
GOG, Steam, Vault etc... No differences
We've noticed there's some confusion about the Steam version of the game versus the other versions like the one that'll be distributed through gog.com or the vault.
The short of it is that all versions all equal and all versions are compatible with one another.
You do need a Steam account if you want to take advantage of all of the Steamworks features that are integrated into the game.
If you don't have a Steam account, then you can still play online or in a LAN, but you won't be able to use the Steamworks features. In that case the Steamworks part of the game will become grayed out.
All versions are DRM free btw but feature a secret surprise for pirates.
Hope that clears it up.