I am asking for permission to add special gems (fire gem, star gem, tesseract, and supernova gem) and combos for them as well as expand the knotify events to the following: remove first gem in cascade, remove second gem in cascade, remove third gem in cascade, remove fourth gem in cascade, remove fifth gem in cascade, remove sixth gem in cascade, remove seventh+ gem in cascade, select, illegal move, create fire gem, create star gem, create tesseract, create supernova gem, destroy fire gem, destroy star gem, destroy tesseract, destroy supernova gem, and no more moves.
the new moves would be as follows:

• fire gem = line up 4 of the same color to create, the gem that you move becomes a fire gem, line it up with gems of the same color to activate. can activate other special gems in range. upon activation, an entire 3x3 grid of gems with the fire gem in the center is removed from the board.
• star gem = two intersecting groups of 3 or more of the same color to create, the gem at the intersecting point becomes a star gem. line up with gems of the same color to activate. can activate other special gems in range. upon activation entire row and collumn are removed relative to the star gem along with it from the board.
• tesseract = lime up 5 of the same color to create. swap it with another gem (not tesseract) to remove every single gem of that color from the board, swap with another tesseract to remove just the two tesseracts. can activate other special gems if same color as swapped gem.
• supernova gem = line up 6 of the same color to create. behaves like a combination of both a fire gem and a star gem (removes a centered, relative to gem, 3 rows and 3 collumns, can activate other special gems in range).

I realize this could mean adding to the theme format.

As this concerns development of the application, you probably want to ask this on kde-games-devel@kde.org rather than here - as you are more likely to get a response from the developers in question.