https://www.kickstarter.com/projects/1512547915/pineapple-graphics-for-openttd/description
"What is Pineapple Graphics?
Pineapple Graphics is a suite of high-resolution base graphics and extra content for OpenTTD (openttd.org), a free and open-source transport game. I'm using a combination of 3d modelling and rendering, procedural drawing, and old-fashioned pixel pushing to generate thousands of highly-detailed trains, planes, automobiles, houses and industries, and posting updates on my progress at
http://www.pikkarail.com.
What is OpenTTD?
OpenTTD is an open-source remake of the 1995 game Transport Tycoon Deluxe. It's a non-violent, educational strategy game, with a depth and enjoyment factor that no other transport simulation has managed to replicate.
OpenTTD is free, available on multiple platforms (Windows, Mac, Linux etc), has cross-platform LAN and Internet multiplayer and is still being actively improved by a keen team of developers. There's just one thing holding it back... The graphics..."