i really wish steam would allow sorting the achievements. as it is its just completed and not completed. i'd like to be able to sort by scenario/non-scenarion. if i want to get into a game specifically to do an achievement its difficult to know which ones are scenario because they dont all explicitly say so, particularly pre-GnK. so then i have to spend some time in the forums to search the dlc/expansion achievement lists to make sure that "Reverse Engineer - Gain possession of 3 wonders by conquering cities in a single game" (which i have already done) is from an expansion or just a bug that says i havent completed it.
The achievements ARE sorted, though.
It goes like this:
Base Game
Babylon DLC (which is just one and only requires you to win as Nebuchadnezzar)
Mongolia DLC
New World DLC (Spain + Inca + their Scenario)
Polynesia DLC
Denmark DLC
Korea DLC
Wonders of the Ancient World DLC
Gods & Kings
All the locked achievements are sorted by base game, DLC and G&K as well - the G&K ones are easily recognizable as they have the bronze colored lock in the cyan bubble with the swirly frame. The difference between base game and DLC locks is much more subtle - the locks that require you to have DLC are a lighter silver than those that only require the base game.
Within the DLCs and G&K, the achievements again are sorted.
With DLC it's:
- Stuff you can do outside of the scenario (win as leader X, or, for example, the Korean-specific achievement to sink an ironclad with a turtle boat)
- Scenario victories (Win Scenario as X civ and/or on X difficulty)
- Scenario specific achievements (other ones like Reverse Engineer).
That is why you can get Zeupiter or Bolt and Arrow from regular games (as long as you have the Wonders of the Ancient World DLC), while for Reverse Engineer or Wonderwall, you'll need to play the scenario.
G&K is sorted by:
- General achievements (leader victories and religion/espionage based ones)
- General scenario victories (sorted into Into the Renaissance, Fall of Rome and Empires of the Smoky Skies)
- Specific achievements
- Scenario exclusive achievements (again, sorted as ItR, FoR and EotSS)
- And for some reason, as last one, "Nobody Expects...", which might have been an afterthought to be included
All of the unlocked achievement icons also have different bubble colors - the base game (and all the leader bubbles except for G&K's) are dark blue, Mongolia's are blood red, New World's are golden, Polynesia's are turquoise, Denmark's are brown, Korea's are bright red, Wonders of the Ancient World's are lavenderish purple, and G&K's have the same cyan that the locked ones have.
However! The G&K scenarios again look different - Into the Renaissance has yellow bubbles, Fall of Rome has royal purple and changes the frame to a laurel wreath, and the Smoky Skies scenario has a dirty brown with gears as frame.
Hope this helps.