I have older versions of Red Scare as well, though they're not as well executed as the current version. But I felt it would be a waste if I did not uploaded it. Files are hosted through external website.
OS: Windows XP, Windows Vista, Windows 7
CPU: Intel Core 2 Duo/AMD Turion 64 x2 or above
GPU: 128 MB graphics memory, 700 MHz clock or above
2 GB of RAM
Direct X 9.0 compatible sound card
25 MB of free hard drive space
Internet connection (for submitting highscore)