BroomSweeper just launched, a game whose demo hooked me fairly quickly and I then ended up playing 50 hours on the playtest.
If the idea of a zany minesweeper roguelike interests you consider buying it, and there is a free demo.
Unrelated, I got a mention in the credits.

Save 45% on BroomSweeper on Steam
Minesweeper gone Rogue(like). Stock your cart with 150+ powerful items while avoiding impish Dust Bunnies. Dare yourself to climb all 16 floors of the ominous Tentateq Tower—but beware, 7 logic-twisting Hazardous Materials stand between you and janitorial glory. Can you keep your job until morning?