@JohnRobertL There are options for attack lowest/highest hp or closest to exit or target that you do best against. Just click on your tower and select a different option :)
wow... I died like 400 on lvl 32 times before I learned you could just go over the top of all the invisible walls to win the last 9-10 levels super easily. I barely died after that... Upvote this if it helps :)
WTF... I don't know if it just bugged or whatnot.. but I just hit a patch where there was literally 10 fire pits with 10 skulls directly above them in a row with no room to land anywhere or jump over anything...
impossible badge tip! slow your computer way down to get the game under 20 fps for the last couple levels, impossible badge becomes about as hard as a medium badge then. I got the impossible badge using a touchpad as my mouse this way.
the Dead on Time hard badge gets incredibly easier once you do two things, First is punch out your windshield so you can see better(for me at least) and make sure you do that without missing any zombies. The second is learning how awesome your hand brake is. The hand brake helps you pick you pick up tons of zombies you miss driving normally. I got 12.9km with only lvl 2 tires/engine/bumper and lvl 1 firearm/bodyarmor/perception. Also, shooting clinging enemies off your car gives you a +8 to your time. I hit 141 zombies and only 1 civilian(hit a car and bounced into them after i hit a spike strip :( )
easy way to get hard badge... get decoy/dodge/splitter levels, build a simple maze(or use corners on closed path mazes). Launch all waves right at the start and upgrade a couple area effect towers to max. insanely easy to get 30 levels beaten this way.
all you need to know to get the hard badge is that you can control the height of your jump(and even slide up the side) by holding escape key, or do a weak jump by barely tapping the escape key. once you figure that out, the hard badge is one of the easier hard badges to get.
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