no instructions. if you let computer decide the battle, after the battle, it will combine the units to make full units. but if you control the battle manually, you may be left with 12 troops with 2 men each, with no way to combine them.
You need at least 20k exp before unlocking the mortar tower (8th tower) which is after the rocket(7th tower). since the hotkeys goes from 1 to 0, how many dozens time are we neded to replay to get all the towers?
How to play forever without penalty. At 4th week. choose any quest and reload page before quest ends. the week is skipped, and you do not get a penalty.
you should be able to get the upgrades for free if you cna reach a certain level or something. For those without patience, you can use the kred system. This way, it satisifies both parties.
ring your island with the cheap cannons and nothing will get through, the targeting system of the patriots that makes it target the same missile makes it useless, even if fully upgraded.
Lvl 5 is really hard, the wasp things comes with uber range dmg and wipe most of your units. couldnt even dent the enemy base as your troops get wiped before you can reach it. And this is on easy.