Try out the demo, with fifteen levels and no time limit/trialware:
System Requirements:
* Windows 2000, Windows XP or Windows Vista
* DirectX 8 or later
* DirectX 8 compatible graphics card with at least 32MB of video memory
* Pentium or equivalent processor
* DirectX 8 compatible sound card
* 190 MB of memory or greater
* 800x600 or greater screen resolution with 16-bit or 32-bit colors
Purchase Spirits of Metropolis for all the new modes and levels, free downloadable content, updates, and more!