Mario and Luigi: Brotherhood is not a small game, with several side quests that players can undertake along the way to gain extra story content, giving players 40 to 50 hours of total gameplay. With all these side quests and special stories outside of the main campaign, many players may want to defeat the final boss and then go back and do the extra content. That being said, completing some of these side quests will also give Mario and Luigi a useful chance to level up a few before that epic encounter at the end.
Parallel to the game’s main story, Mario and Luigi meet several people who live in the world of Concordia. Despite the cataclysmic disaster unfolding in the world around them, there are many additional calls for help from the brothers. Some of them lead to useful rewards, and others include story elements that players would otherwise miss. After all, strengthening bonds of friendship and love along the journey can be as important as connecting the islands to the Uni-Tree.
Mario & Luigi: Brothership does not allow players to continue after beating the game
Must load from a previous save or start a new game
It can be very tempting to focus on progressing the main story of the game. Mario and Luigi: Brotherhood but unfortunately, After the final battle, there is no turning back. The Mushroom Kingdom characters are quickly taken out of the land of Concordia and sent back home, thus ending whatever unfinished business Mario and Luigi had in the electricity-filled land.
The only way to continue playing after finishing the game would be to load a previous save file from a time before you saved Concordia. Otherwise, players will have to start a new save file, but there is no New Game Plus mode or anything different about starting over in a new game simply by having beaten it once. If someone wants to complete it 100%, they will need to do so before facing the final boss.
Many side quests are only available for a limited time
Keep an eye out for red text bubbles to let you know a quest is disappearing
Even before reaching the end of the game, there are occasionally some special missions that are only available for a limited time. These quests are marked to alert players to their time-sensitive nature and have a red balloon in the Side Quest menu. Advancing the main campaign missions will make these side missions disappear.
As Mario and Luigi get closer to their ultimate goal, players may notice that several of the side missions that were originally not time-sensitive will begin to change to red as a warning that they will disappear if the main campaign progresses further. Even if these missions were not special missions, due to changes in the story, things may happen that make it impossible to complete these tasks, even before the final boss is defeated in Mario and Luigi: Brotherhood.