This game is a huge waste. The fact you HAVE to do challenge maps to use the free form battle editor is such a waste.

Because the challenges are impossible. Straight up. I've seen no proof of anyone, ANYONE, online, getting past the second map, where I am also stuck. Being unable to control the AI in any way is bad enough, but it feels like the humans soldiers attack your alien troops in priority. The only thing you can change is the placement of your troops and traps.

In other words, you can at best, play with one map with vikings, and that's it. Have fun with your frustrating challenges.