SimCity выпущен под GPL v.3

Linux.com :: The original SimCity is now the open source Micropolis

Think you're smarter than the meatheads on your local city council? Now you can prove it — without running for office — courtesy of the original city simulation game. Electronic Arts (EA) has released the source code to SimCity under the GPLv3. The newly freed game is dubbed Micropolis, and it is playable in most major Linux distributions.

// www.linux.com