Complex sentence: The idea for the armor parts came about because the game was planned during a time when console role-playing games were becoming extremely popular; these games often involve improving a player character by gaining experience points and other power-ups according its experience level.
Split into simpler sentences: The idea for the armor parts came about because the game was planned during a time when console role-playing games were becoming extremely popular. These games often involve improving a player character by gaining experience points and other power-ups according its experience level.