There are a few GUI based game-creation suites that probably fit your bill.
Game Maker is a Windows & Mac based program which is allows for the creation of games based on drag-and-drop actions, which can be substituted/supplemented by the internal scripting language Game Maker Lanugage (GML). There a lite version available (Windows only for the moment) that's free. The Pro version costs $25 US. Website:
http://yoyogames.com/makeConstruct is a Windows based, and creation of programs is based on giving objects events to follow. Levels are constructed using the layout editor, and you determinte how objects respond using the event sheet editor. Construct is free and open-source software. Website:
http://www.scirra.com/Multimedia Fusion 2 / The Games Factor, are Windows based solutions from Clickteam. From my understanding, they are very similar products (Fusion is oriented to creating applications in general), and very similar to Construct (thought it's been a while since I've used either one). There are 30 day demos available for them. Website:
http://clickteam.comI suggest also checking out the Developer's Tool (WIP) thread:
http://forums.tigsource.com/index.php?topic=66.0Anyway, welcome to the TIGSource forums. Introduce yourself over here:
http://forums.tigsource.com/index.php?topic=45.0My personal preference is Game Maker by the way.