+ | - aka Plus or Minus (4mb no install version 1.0 made 2006 by Rale) is a fun and addictive physics based magnets game that has great gameplay. The game was made for the 72 hour game competition and actually this game was made in 48 hours and won 1st for innovation. Combine - & + particles to destroy them, if pieces go outside the magnetic field ring you lose. The movement of your mouse rotates magnets and the left mouse button flips magnets. There are 2 difficulties of play, easy and hard.
ControlsMouse, arrows, wasd or controller to control magnets
H for help
Esc exits game
Download Page look in 1st column for Attraction - rale - rale - Download
http://www.72hourgdc.com/board/downloads.php?sid=b59263c6a55de0be36f8715dd7dfa9c2
Heaps more game downloads from this page, it's worth a look.
72hour Game Development Competition Homepage
72hourgdc.com