Once cheat mode is engaged, you can not earn achievements on that save. (gamerankings.com)
We are going to update the game shortly so that once you enter cheat mode, your current save will not be affected. (headmastergame.com)
Think about adding cheat modes into your game to jump to different parts of the game or give yourself infinite lives / health to make capturing certain moments easier. (kertgartner.com)