There are currently in the traditional sense (like typed passwords) for the visual novel My Demon Friend
"Well done, mortal. As a reward, I shall give you the ultimate cheat code. This one will grant you access to a secret realm within the games you've played, where the boundaries between reality and fantasy blur." My Demon Friend Cheat Codes
This isn't a code—it's a glitch that works as of version 2.1.0. We call it the . There are currently in the traditional sense (like