Tread Marks - Version 1.0.1.DEMO Tread Marks is a 3D Battle Tank Fantasy come true, where you can compete in Off-Road Tank Races and free for all and team Tank Battles against AI tanks and human opponents over the Internet. This Shareware Demo includes 3 large maps, 3 tanks including a translucent Liquid Tank, all 23 weapons and power ups, and most features of the full game, including all Single Player modes and free Internet Deathmatching!