Race 4 Extinction just got a nice big update. Well, actually it's just the third episode that's finally finished: here we play as a chain-smoking cowboy with a quick-draw :D. There are some changes to previous episodes (to make certain sections easier/more coherent) and various little tweak/fixes. There's also a bunch of new sound effects and a brand-new (original) sprite for the dragons. Here's a quick run-through of the third episode:
I'm trying to keep the dichotomy of difficult between completing a level and completing it 100%. The idea is that the game should be fairly trivial to "finish" but very challenging to "complete". So you'll often have to choose between extra health or an easier path, and getting all the items.
Another priority is a logical progression: first you have no weapon, then you learn about breakable barrels. In this third episode you're given a ranged weapon and are introduced to TNT and chain-reactions. So the base gameplay remains the same, but little quirks are added with each episode ;-).