What kind of game is jumpstart adventures 3rd grade? We may have multiple downloads for few games when different versions are available. and published by Knowledge Adventure, Inc., this educational game is available for free on this page. › Minecraft Modern Mansion Map Downloadįrequently Asked Questions When did jumpstart 2nd grade come out for pc?ġ996, the year JumpStart 2nd Grade was released on Windows, as well as Windows 3.x.