Finished my 7DRL earlier today and I'm happy to say that it's a success this year. Basically it's a maze with baddies to kill and keys to collect (so that you can later unlock doors). The only twist is you can't hurt the bad guys, and they can one-hit you. If I'd had more time I would have added items, maybe, and better monster AI, but I'm happy with the game as it is and I'm not going to touch it (other than the occasional bug fix).
You can find a slightly more long-winded description of the game
here or you can just jump in and play
here in your browser. Enjoy!