This seems pretty neat. Economical? Doubtful, but I really like not criss-crossing the above-ground with railroad tracks and roads, and that cost is hard to cal

This seems pretty neat. Economical? Doubtful, but I really like not criss-crossing the above-ground with railroad tracks and roads, and that cost is hard to calculate. Definitely interested in seeing how it turns out. Also, I cannot wait to play the Deus Ex: Whatever level set in this tunnel system.