Tomb of Rooms v0.27 is already out, and it's free to download! This should be considered a demo version, and while the game is very stable and playable, there's only enough content to last up to around level 8 (although you can keep on playing for as long as you can survive).
We're almost ready to release a new version, which will add some pretty cool new stuff. If you support development (pay what you want), then you'll get all the new versions as soon as they are released.
To download, go here:
Check out the development weblog: