Overview: This is a simple introduction level that will tell you how to play the game and it gives you the weakest of enemies that are around throughout the entire game (most of them can be defeated in 1 hit using a character form).
Another recommendation is that once you have acquired a checkpoint in the level you are playing, that you continue onward, find the collectibles in that level, and complete it without leaving the game or turning off your console. However this is known to not always happen to every player that decides to do this. Note: The collectible achievements are known to be glitchy in which they may not unlock due to choosing to play Step 2 first before resuming on Step 1 and completing the playthrough of the game.