AFK mode really needs a better tactic mechanism for the bot. I mean as a archer the bot prefers to use lower rage abilities for a whole time, instead as using the double strike for example for the available given rage.
Hints:
For the first puzzle, try to match the right drawing with your left one, so that it intersects.
For puzzle 2: Try not to get confused by the rare drawing, but instead look at the half-round shapes at the end.
As for the rest of the game is simply a use of logics.
A tip on the money income:
You get money by causing chain reactions and killing the piggies . The more in a chain, the better the money.
When you play a level, the next time you play it you'll get a decrease in money earned. This is not so much of a big deal if you're replaying a level with better upgrades and therefore a better combo count.
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You may be experiencing graphical lag due to quality settings. Try lowering particles/quality and see if it helps your speed :)