Maze looking path, with many diverse ways to pick from. grass path surrounded by rocks and pine forest, giving it a unique kinda setting.
Modified HP and attack units/heroes for the chaser.
A very long path that you usually never have time to finish. Hard obsticles for runners, including units, walls, towers etc. Quite a few units to choose from for the chaser. A trade route for Gold and mining on the later version.
All terrains ranging from forest, mountainous, to desert and snow. All units, a few heroes, and upgrades for chaser.