Program: Warning Forever, Ray Hound, etc.
License: Freeware
Description: Some of the most graphically enticing,
yet small sized retro 2D airplane games.
Website: http://www18.big.or.jp/~hikoza/
English Games: http://www18.big.or.jp/~hikoza/Prod/index_e.html
All Games: http://www18.big.or.jp/~hikoza/Prod/
Other: The installer for all of these games are decompressors. They result in a single folder which the game can be run from.
You have said that these games are Freeware. Does that mean that they are also Open Source? Because if they are not Open Source, they cannot be hosted on sourceforge.net, and it would be illegal to modify the program and redistribute it in PAF format (or altered in any other way, for that matter), as it violates their license.
There are 10 types of people in the world:
1. Those who understand binary
0. And those who don't