Flying your airship near Mount Grimrock, it begins to lose power and crashes, thus getting you and your crew wrongfully imprisoned – for some inexplicable reason. And by imprisoned, I mean chained together and kicked into a dark hole. Mount Grimrock’s prison is like Alcatraz. Once you are imprisoned, you are not supposed to get out. And the monsters that inhabit the dungeon of Grimrock do not want you to leave either, posing to be stiff competition for you and your band of fugitives. But quickly you escape and are left to your own devices.
If you purchase Legend of Grimrock on GOG, you get a nice offering of extras, as they do for all releases. On GOG game page, you can see what they are. So, you might be wondering what the benefits are to buying it on Steam. The only advantage Steam has at the moment is Steam Achievements (if you want them). The advantage GOG has is, as it always is – no DRM. So while digging into my Steam directory, I discovered most of the GOG extras are included with your Steam version – it is just not explicitly told to you. So hit up your Steam folder at this location for the Extras: