Looks like my Steel resources (power 3) are producing worse quality armor than my Iron resources (power 2). That can't be right... I'd test it further, but I don't have unlimited resources.
I posted some advice on it back when the game came out. Sort the comments by rating and you'll see it. (up-vote it if you want to see it as a top comment)
Shouldn't you be able to buy a stronger line?
Definitely needs a mute button.
Game would be better with upgrades, and not just a bunch of different lures.
As for fishing sharks, they're both difficult and take forever to catch.
Unlimited gold bug: if you sell a unit just as it gets hit by a killing blow, you'll have "Nan" gold. With this, you can buy everything you need and it won't change. There's no need to exploit this, however, because the game is super easy anyway.
For those of you who have trouble with level 11:
-Pick up the bases with < 10 Defense first.
-Don't touch those bases with 10 Defense until the computer taps them. (I beat it without even touching them)
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-Make sure you keep reinforcing your bases when you see the AI attack.
-Have your base that's closest to enemy bases send out units to as many enemy bases as you can for as long as you can. Each time a base gets attacked, their unit build timer gets reset.
-When you're ready, use your other bases to take control and dominate.