Frontline Defense 2 is a free tower defense strategy game with a military theme where you will deploy your units around several maps in order to stop the hostile forces.
Tag: Hard
Zillion 3D
Zillion 3D is a standalone, free and highly challenging Wolfenstein 3D mod with characters from the anime Akai Koudan Zillion and pixel art graphics. There are two episodes with ten levels each.
RUN! GRANDPA! RUN!
The frantic racing and platform game RUN! GRANDPA! RUN! it’s free, for Windows, 100% free to keep, in a limited time giveaway offer! Go get it, since RUN! GRANDPA! RUN! normally costs US$ 9.99!
Tasty Static
Tasty Static is an indie freeware racing game and a remake of the BlueMoon Software’s Skyroads. It was released in 2010 and has graphics reminiscent of the sci-fi movies Tron.