The E.F.T.A.I.O.S. Map Editor will let you create and share game maps, customizing elements such Spawn Points, Escape Hatches and Noise Sectors. The editor is still in beta, but you can start playing around with the different tools and print a pdf version of your EFTAIOS map to share with other players.
To play the Map Editor ONLINE version you will need Flash Player.
It's possible to download the software on your computer, to play the Map Editor OFFLINE version:
Download EFATIOS Map Editor Beta 0.5 - For Windows
Download EFATIOS Map Editor Beta 0.5 - For Mac