Build 'n Bump is a local multiplayer, 2D head-stomping brawler where you build your own levels right before you play on them!
http://steamcommunity.com/sharedfiles/filedetails/?id=641384113
[i]Super Markup Man[/i] improves on the [i]Build 'n Bump[/i] engine by combining 2D platforming with code learning. Check it out on Steam Greenlight!