I like it, you really thought this creature out and gave it some fun gameplay mechanics. I really don't have much critique for this Polarizoa. My only issue with the big guy is that I think it looks to much like a regular jellyfish. I would suggest incorporating elements of other animals to make thi...

I hope my modeling sheets were helpful. From what little I can see the model looks good, nice work Miro.
Airplane with all do respect I never said "menical" I said "maniacal" kindly stop putting misspelled words in my mouth.

Here are a few more things.
http://i.imgur.com/jx2Hg2r.png
http://i.imgur.com/7KF44sN.png
http://i.imgur.com/rLBIYgQ.png
http://i.imgur.com/RPId0RX.png
http://i.imgur.com/N4jOldR.png

"maniacal laugh" this is gonna be interesting.

My turn
http://i.imgur.com/OhJ3DES.png
http://i.imgur.com/xhxI6dO.png
http://i.imgur.com/OVpWL1T.png
http://i.imgur.com/JNOB79b.png
http://i.imgur.com/fbdYO4s.png
The left hand of bad art.

Give CG textures a try.
http://www.cgtextures.com

It's feline I used big cats as reference.

Personally I get the feeling she may be alive and well. All her notes and actions remind me of Exploration log II. She enters the forest sees things (probably 860-2) both Izumi and D-5674 seem to feel like they are being called, then they lose contact with the researchers( however Izumi lost contact...

Looking good Miro and thank you Enma. On the topic of how 966 could be implemented like Enma suggested maybe the player could run into a pack of frightened and extremely hungry 966s, considering those circumstances they might attack the player. Or the player could be blasted with the "anti sleep wav...

If you want weird/creepy bird sounds you should maybe look into the great potoo.
https://www.youtube.com/watch?v=DlRsRdVpudM