This week I've been adding randomly-generated block-pushing (sokoban) puzzles to Lenna's Inception, based on a 2011 paper by Taylor & Parberry.
As far as I can tell, no other game developer has incorporated this kind of procedural puzzle into a game before, so I’ve open-sourced the library I wrote for this, Zosoko, to save other developers the time. The code is still a bit hairy in places, but it works well enough for Lenna's Inception at least.
Anyway you're probably more interested in the game than the code, so here's a short gameplay video showing off the new block puzzles. The rooms containing the puzzles are still a bit bare, but with the refactoring coming up soon, room decoration will get much better!