I was just randomly installing game from my (massive) library and this one is so much fun.
Setup kill zones with Arrow Wall + Tar Trap
Send orcs back to kill zone with Spring Traps
Endless fun
There are a few traps seems pretty much useless tho (what's the point of Steam Trap?). Also I hate the maps that you can't focus on building 1 single kill zone. Just let me kill the orcs!