The Portable Freeware Collection Forums

http://www.mayothi.com/nagaskaki.html

Writes its settings in application folder.

http://www.cultimedia.ch/swarmers/ by a Swiss firm. Download (1.1MB), double click and fly your plane over a mountainous landscape, and shoot, as fast as possible, pink eggs and ants that try to spread by laying more pink eggs that hatch again more ants. Was quite addicted to that game for some time...