Tulee,
Are you using a code?
If yes - Look at the next question
If no - use the normal version
Do you want to play in insane mode?
If yes - Use the special McOva Version
If no - use the normal version
Also, I've done an update to insane mode;
You guys really seemed to want to complete it!
This version the attacks are less frequent, and the enemy upgrades are a tier lower!
Also did you try it with the acolytes repairing? at the worse times I had about 3 repairing a single tower!
Also my main tank was Arthas, his ability to self heal is quite handy, if it is level 3 you can sacrifice a single ghoul for a very good heal,
But its better to sacrifice the minions you get from raise dead.
If you managed to build frost wyrms you must've been doing pretty well!
I knew which attack was next so I sent air units out to hit and run their catapults and casters, and then my towers, fiends and heroes were ready for the remaining grunts, raiders and headhunters