These annoying birds follow you across the level, but luckily they cannot move up or down. Try and kill them when they're still perched and can't do much to defend themselves.
Birdhead
C1 L3
3
This annoying thing constantly shoots small pellets at you, but if you're above it, you're safe.
Blue Ball
C1 L2
2
These annoying blue-colored orbs either coming parachuting out of the sky or rolling towards you from all directions. Luckily, if you bounce on one when it's falling, you get a bonus 12800 points, and if you bounce on one while it's rolling you get a bonus 3200 points.
Boss
C1 L10
10
This crazy purple guy hovers around in his ship not really doing much else. As long as you bounce on top of him he should be very easy to kill.
Bounce Bot
C1 L7
only can be killed by bombing
This guy can't be killed and shoots at you, but he can help you get to high places.
Carnivorous Plant
C1 L4
can't be killed
Jump in this toothy thing to finish level 4 of Cosmo 1.
Clam
C1 L5
only can be killed by bombing
Watch out for these annoying pests. They not only hurt you but make annoying noises.
Dragonfly
C1 L2
only can be killed by bombing
This mysterious creature flies around across levels, and can be very useful as a transport.
Egg
C2 L2
1
Jump on this odd thing to release a mini-ghost.
Ghost
C1 L4
4
These pesty creatures follow you around only when you're not looking. Bounce on them four times to turn them into a mini-ghost.
Green Guy
C1 L9
1
This odd guy lunges at you when you get near him. One bounce atop the head will set him straight.
Green Slug
C1 L8/Bonus
3
These hovering slugs are really valuble--every time you bounce on them they release a random point item.
Hoppy Leg
C2 L2
7
This is probably the scariest enemy in Cosmo--they jump very high, and are quite difficult to kill.
Leaf Stalk
C1 L3
only can be killed by bombing
If you jump just right, you can bounce of the top of these living plants without getting hurt.
Metal Spike
C1 L7
only can be killed by bombing
Jump over this nasty machine or you'll be nursing a new wound.
Mini-Ghost
C1 L4
1
A tiny, bouncing ghost that can be either ignored or killed.
Monster
C1 L11
can't be killed
Jump into this creature's mouth to finish off a level.
Moon
C1 L4
4
These stationary objects help you get places and also give you 50,000 points every 10th bounce.
Mr. Conehead
C1 L10
only can be killed by bombing
These small pointy things bounce from wall to wall, making it hard to jump past.
Purple Slug
C1 L2
1
Bouncing on this thing turns it into dangerous goo, so it might be better to blow it up.
Red Guy
C1 L1
1
This is the first enemy you encounter on the forbidden planet. It walks around and growls once in a while.
Rock Dude
C1 L5
only can be killed by bombing
Walk under these creatures fast, or they'll smash you to smithereens. A correctly-timed bomb will do them their justice.
Shadow Man
C1 L7
3
This man starts out as a shadow, but bouncing him a few times reveals that he's made of metal. Don't get too close to him--he won't hurt you, but he'll push you pretty far.
Spithead
C1 L5
only can be killed by bombing
This nasty pests spit pellets at you and can't be killed without a bomb--since they live on walls, it's rather hard to bomb them.
Tear
C1 L6
only can be killed by bombing
This guy bounces in and out of the ground, and may take you by surprise.
Tulip
C1 L3
can be bombed but regenerates
This odd plant launches blue balls out of it frequently, but it can also launch Cosmo if he jumps in. Use two bombs to destroy it.
Up-Down
C1 L5
2
This blue and yellow creature walks on both the ceiling and floor. Watch out when it switches from one to another.