Simplify the following text for a Grade 8 native English-speaking person.
Original: It started out with Wario Land : Super Mario Land 3 , and has grown to have its new spin-off series with WarioWare , Inc. : Mega Microgame $ ! .
Simplified: It started with Super Mario Land 3 : Wario Land , the first game with Wario as a playable character , and gained many sequels .