Still thinking about joining. The theme will be a decisive factor, so I’ll try to brainstorm a bit with the final voting list.

Tools:
– If I’m feeling particularly bold, I might use Unity/C#. As that’s unlikely, I’ll probably stick with AS3 + Starling using Flashdevelop, and reuse the core classes from my previous entry, Conquer all the castles!
– Photoshop and, depending on the game, perhaps Tiled and Texturepacker
– sfxr, probably, for sound effects. I’m still undecided about music, though.

The dungeon: