Microsoft is offering OmegaOne’s Invaders games (based on the classic Space Invaders from the 1970s) for free (with registration). You can find it at:
Entertainment Applications: Invaders
It is available for both the Pocket and Smartphone Windows Mobile platforms.
It’s really simple to find. Anyways, here’s the link. Enjoy
https://www.microsoft.com/windowsmobile/domore/invasion-game.mspx
I tried to get this game, but I can’t find it anywhere on Microsoft Mobile website.