If you're getting a Maplestory Mesos for a kid, you need to get more than one option before you head out. You will use a lot of variables in making a decision on whether or not to purchase a game for kids of a certain age, so make sure you have some titles to choose from.
Brighten the screen. Games that have settings in dark caves or buildings may look good, but can negatively effect your performance. A dark screen reduces visibility and makes it harder to see your enemies. If you don't mind the slight loss to the game's feel, turn up the brightness. Doing this will help you see the screen better so that you can perform better in the game.
Online games need to be viewed with a critical eye. Occasionally, there will be a monthly fee associated with access. You need to view a site first if your kids are asking to join it with their friends. If there is money associated, call up and ask about all of the Maple Story 2 Mesos costs.
Play your kids' MapleStory 2 with them. You can learn about the interests that your children have this way. Sharing interests with your kids like this can also create great conversations. As an added bonus, you will also get insight into their development in how they handle losing and deal with others.
Learn all that you can about the content and safety settings of your home console. There are often choices to prevent younger members of the family from seeing adult or questionable content. There may even be options for you to individualize the control settings as well.