OldSchool Nightmare is a first person shooter with some old school gameplay ( gameplay like doom, blood, heretic etc... ).
You can now use this installer to help other players to install your maps and also you can install the simple_map_1(Included) I'v showed in the video tutorials series. You can find your own saved maps under this path: C:\Users\YourUserName\AppData\Local\OldSchoolNightmare\Saved\SaveGames\ 12.9.2015 Update - You can also collect all your maps easily be running the Collect_SaveGames.bat file and it will collect all your maps into the SaveGames folder.