And no, this isn't a Minecraft blog.
It's a new game I'm making, which I restarted yesterday and made great headway with. Techdemo is HEREFor the lazy, a screenshot will suffice:
The controls are simple. X to jump, V to examine/use the door. More to come.
I was able to finish the level, even after drowning by camping next to the door above the flooding room, and then pressing "V".
:P