Achievment: versatility - building different things

[mrvn]

It might be interesting to have an achievement for building many different things. One can play the game fine with using just a fraction of all recipes. But that's not very versatile.

So why not an achievement for experimenting different play styles? Trying different weapons instead of turret creep? My suggestion would be to give an achievement when 50% of all recipes have been used, 75% and 100%. Only visible recipes should count. That should exclude stuff like flare stacks destroying liquids or stacking recipes that make no sense to count. Or barreling of liquids where that is done by furnaces.