Needs more upgrades
It was an ok game untill level 12.
Then they had 3 of those things that make all of your bullets blow up and the wave wasn't the thing that did it it was just after it got past you so they would change use it then change to the next one use it fire at me with there nuke then change fire that bullet killer thing then fire at me with all of there weapons in 2 seconds. 2 of my "bunkers died before there nukes were charged.
Lower the dificulty and add more upgrades and custom weapons that you pay for the splash, damage, range, reload time, fire rate (if they have a clip or something), accuaracy.
Also have to upgrade the bunkers so they can hold more weapons or health.
Allows more bunkers.
And get rid of the stupid color and lower the bouncyness of the map (i liked that at first before they got nukes and others)