Dragon Quest Monsters: Joker is a free-roaming RPG similar to
Digimon or
Pokemon. In
DQM: Joker, you play as a monster scout. Your job is to scout as many monsters as possible to make the strongest team you can. When you first start the game, you have the choice of Continue or New Game. You can only have one game save, so if you choose New Game, it will wipe out any previous saves. Anyway, to start a new game, all you have to do is enter your name (or the name you want your hero to be called). From there, the game will explain everything you need to know about what to do and where to go. If you're ever lost, just talk to the people you see. They will give you direction.
When you're ready to save, you have two options. You can go to a scout post and do a full Save from there, or you can use the Quick Save option from the Main Menu. Quick Save allows you to take a break whereever you are, even in the middle of a dungeon. After a Quick Save, you must turn the power off and that save file can only be loaded one time. If you turn the power off without saving again, you will have to restore your last full Save. Also at the scout post, you can rest. Resting swaps the outside from night to day or day to night. This is very convenient since some monsters only come out at night and some only come out during the day.
To beat DQM: Joker, you're going to need the strongest monsters you can find. You can either scout them or synthesize them. To scout them, you simply choose scout from the Battle Menu. Your monsters will attack like normal, and the enemy will decide if their show of power is enough to make them want to join you. You can also create new, stronger monster by Synthesis. Synthesis is much easier in DQM: Joker than it was in Digimon World: Dusk. Each monster has a charge of positive, negative, or neutral. The only limitations on synthesis are that the monster must be level 10 or higher and they have to have opposite charges. Monsters that are neutral can be crossed with any charge. Once you scout or synthesize a monster, you'll be prompted to give it a name. If you don't feel like coming up with different names, you can just go down to enter and it will fill one in for you.