These rise to the ceiling from the vast pits that you have to leap across, and will pop when they reach the top of the screen, dropping a blue potion. Wait for these and, if you think you can, try to time it so that you go jump under it when it releases it's contents.

These will slowly patrol the platform they're on. Try to jump over them, because they inflict major damage.

Right as you pass under them, these pillars will come crashing down, trying to crush you. Make your timing count, otherwise you'll be flat as roadkill.

These guys patrol the park dressed up like martians, toting (that means carrying) guns. Again, like the common thugs, same advice: Avoid. Unless they're facing the other way and on a platform. Then try to knock them off like a coward.

These guys lurk in the trees(as you may have guessed from their name), and will come out of hiding from time to time to throw a bomb at you. You can see them hiding in the trees, so just keep going and avoid them.

These things are like the flames found in the first stage, just jump over them.

These will roll along in the same direction, just jump over them.

They basically just jump around in the same spot. Quickly take note of their pattern and move past them.

Like the Red Balloon, it rises from below, and drops a yellow potion when it reaches the ceiling and pops.

This sociapathic clown mercilessly throws a pie followed by a rolling a ball, and continues this horrifying pattern of absolute inhumane cruelty. Blow him away.

This guy will walk up to you throwing ninja stars and kicking you. You can either avoid him or jump over the stars he throws and give him three kicks to take him out.

This guy will hide below tossing ninja stars directly above him. Just wait for him to pause, then jump over him.

This one will throw a star at you from a window then go back into hiding. When he goest back into hiding, go past him.

After a short period of time, this will begin to ring and explode, killing you, regardless of where on the screen you are, so be sure to touch it quickly. Yes, touch it, like an item. You even get points.

We knew China had nukes, but this is crazy. You should be able to easily see it coming, so jump over it.

These will repeatedly rise out of and sink into the floor. Jumping over them should not be a problem, but make sure that you're not standing over one about to rise.

This will launch a grenade straight up into the air, which will explode into six stars. Be sure to be as far away from the grenade when it explodes as possible. Fortunately, it will only fire one grenade then is harmless.

These guys will patrol an area, constantly stopping to throw an axe. They fire in a pattern, first standing, then they'll walk around, then another while kneeling. Just shoot them continually with a gun to easily dispose of them.

These will move along the wall or floor trying to shoot you. They fire slowly, so it should be able to dodge their attacks, and just avoid them.

No doubt dropped off of Durant's copter, these will explode while falling, but should be easy to avoid.

These shouldn't be a problem unless you're trying to get items or stupidly choosing to be near the ground.