OpenTTD An open-source clone of the classic game Transport Tycoon Deluxe . It attempts to mimic the original game as closely as possible while extending it with new features. Free Open Source Mac Windows Linux Android BSD ... iPad PortableApps.com Isometric view OPENGL Retro graphics Various GRF ... Endless gameplay Moddable Multiplayer Old school look and feel Portable Add a feature 110 Like