this 1st person shooter demo is a rip of doom and wolf 3d. graphics have been lifted from both games. the game engine is slow and does not include a strafing mode. enemy sprites just stand there and do not fight back in this build.
I don't have a wii u anymore to test it myself, but if homebrews are not visible on the wii u menu I think you can press L + R + minus to open the plugin menu, there should be an option called "homebrews on wii u menu" or something similar
Or when your player dies, you can say in code, if enemy exists, do nothing, but if enemy does not exist, then create enemy at certain spot. (This would be a pain tho for lots of emeies)