Mario & Luigi: Brothership includes many side quests which develop the world and often lead to comedic cutscenes. However, some of these sidequests have time limits which require the player to drop everything and complete a specific task. One of these quests is “Arc’s Secret”, which requires players to find Arc's lost spyglass.

The Mario & Luigi series came as a shock to players when it first debuted way back in 2003 with Mario & Luigi: Superstar Saga on the Game Boy Advance, bringing the famous plumber and his brother, Luigi,

Side quests are a great way for players to get to know all of the NPCs and minor characters in Mario and Luigi: Brothership. One of the first side quests that players will receive is titled An Invitation to the Spa.