OpenTTD saved games: 201205
Saved games for 201205 (version 1.0 of OpenTTD).
The May 2012 game is in the Industry Wonderland scenario
Being a tiny map, it got boring quickly. The intent was to see how much cargo and track I could cram into the area. There is a strange combined truck, train, and ship goods delivery system going on.
I've used GRFs from #openttdcoop's GRF pack version 7.3, not sure exactly which ones.