Road To Tower

Sorry, but how could this map get such rating?

Finished this disturbing campaign in 4hrs & 13min with 26 Restarts in Expert Single Player Mode. You can check the link to the campaign game play on this playlist, which has 5 videos for 5 chapters:
h\t\t\ps://youtube.c\o\m/playlist?list=PLOFtKLS6rEvn5jUeBZE7LodCZS4PO4Qoo

Remove \  from h\t\t\ps & c\o\m, then press Enter.
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Ch1 is so dark and none knows what to do next. Yes, there are  unlimited  supplies of healing and  t1 weapons, but still so dark and there is nothing about sacrificing one's blood or anything, but just induced how it worked. The campaign file is so small, but was lagging and really annoying. Glad bots add-on was there because I died because of the nasty 1 sec lag right before I shot that witch.
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Ch2 is one of the worst and this has nothing to do with the game. Are we playing tower defense or red alert? Spent like 60 bullets of sniper on Easy just to destroy the first cannon out of 7 while swarms of zombies are attacking with no bile bombs, really? Found my way using my own technique without wasting energy and time on such annoying event.
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Ch3 is the easiest out of them all and good that bots didn't get hit from that white laser. Anyway, it would be easy to avoid that laser. That tank trap is one of few good things in the map creation, butt still a magical rock from nowhere hit that poor bot, how? 
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Ch4 is good, except for the fight of that tank on a sliding surface. Died for nothing and bots managed to do it on their own. If they died, I would get to that spot where tank can't go and make it to saferoom. What does that cannon do by that saferoom? Would these flames kill us all or take off our HP or it's another panic event that wasn't activated successfully because bots were there?
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Ch5 is the worst of the worst to fight some fantasy boss and spend +20 min for the attempt using +15 gas can and 1 mistake would kill us all. The rescue music started so it should mean we win, but nothing and that tank behind walls came with a bunch to chase and bring me down really? Such maps will push us to search for glitches and bugs to exploit to pass such annoying chapter. Someone said something about when that big boss hitting 50% HP those miniguns will be shooting us, really? All of that and not close to destroy that boss? So bad! 
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Map credits have the Dead Air cover, why? 
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This map title should be edited, adding "HEHE" to it. Thank you!