While browsing I found this: The Game Editor graphical development environment can be used to create simple game characters and environments, graphics, sounds and animations. - so that's the way the soft should be made. Small, works fast - can do anything if needed))) Thumbs up.
Wait, I'm paying for something open source?
I've checked the file with the site http://www.virustotal.com and got no virus. About why pay, read here: http://game-editor.com/License