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Controls? Really, really bad. But the game is not hard or "impossible" like others have suggested in the comments. One of the fastest and easiest medium badges you're going to get. It barely requires any skill or effort, just a little time if you can't handle the awful controls.
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spent a while making a 200 mile radius "planetoid". At the point it think it should be called a whole planet collision
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I was all pumped up for the last boss... when a naughty comet came and ruined all the fun... it killed him directly... YOU SON OF A (beep)!
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If you want a powerfull one, just click and send the meteor up, it will go down blue and it'll destroy the T-Rex quickly
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To get the badge of the day, hold down the cursor on a meteor until it's dragging with you, and let it collect other meteors to combine with, then let it go after it gets a name and do another one before the first one hits the planet.
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I played the level with UFOs for a half of an hour, then, there wasn't pause button, I just left this game opened for a while; when I came back, the level was cleared... This level is insane, I can't clear it (but it cleared itself after some time); why this level really needs to be?
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If you want to kill the mutant instantly, you can crush it instantly with a meteoroid/planetoid while it's still "growing".
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Note: every meteor that hits the planet gives you "extinctions" Larger meteor=more extinctions. Youcannot actually blow up any of the planets. Also, you can kill the TRex almost instantly if you prepare a bunch of blue meteors during "clean up the escapes" where all the meteors you make will come down blue, killing the trex if they are really strong.