Open the menu to select your building material. The materials are tunnel, dirt, lava, and stack able lava (respectively). When you are done, press the 'Explore' button in the menu to play your dungeon. More Blocks coming soon. You can also drag and re-position the spawn and treasure blocks.
thanks to Junebug9427 and their code for many of these things. this is basically just a remix. So thanks. I also took a lot of these sprites from my 'Gopher Quest' game, check it out later. New in this update : Spike Traps