Some further commentary:
The list I've put together comes from a search of freeindiegam.es, Rock Paper Shotgun and indiegames.com for the word roguelike in articles in the last 12 months and picking anything that was roguelike, roguelike + x, or roguelike mechanics but not loosely based on roguelikes; plus the Steam Greenlight roguelike and roguelike-likes list (with a couple of exceptions e.g. Project Zomboid), plus items I had starred on my RSS feeds or written about the blog throughout the year on new roguelikes. I've excluded stuff which I know will be in e.g. Binding of Isaac, or which is a 7DRL, e.g. Zaga 33, which will also be included.
The criteria for inclusion has historically been the Actively Developing Roguelikes list plus the games featured in the News section of Rogue Basin. If someone can put together a list from December 14 last year of games releases from the IRDB in alphabetical order, that would be of immense help.
I'm not terribly interested in the discussion of whether a game is a roguelike or roguelike-like: as far as I'm concerned a game is a roguelike if it gets at least 1 vote in the Ascii Dreams Roguelike of the Year poll. However, I'm much more interested in the question of when a game is released: as far as I'm concerned, it is when something playable is available (so alphas and demos are in), but I'm not sure whether an invite only or Kickstarter contributor release counts.
There's also the fact I've just found out about the eroRL subgenre, and I'm really hesitant about including anything from that. I'm going to avoid doing much research about 'release' dates and pretend that means they're disqualified on that basis.