It costs 70 difficulty stars, which are obtained through beating a challenge on
A certain difficulty, if you play on couch potato, then don't even bother
Trying this unless you have beaten the game. You can only get it on Cooperative
Mode. I think you have to accomplish a certain task before it shows up in skins.

While one person is on a bolt crank platform, use the sheild link and jump on top of the sheild and you will fall through. Therefore putting both of you in the same sheild.

Ps. You can do it in 1player to

Here is how to get them all:
Vox:get all skill points :o
Vox's pet:beat every challenge on exterminator mode
Ace Hardlight:get 400,000 dread points
Reactor:get all weapons and omega mods
Eviscerator:get at least 100 nanotech.


When you get them all, you get ninja ratchet.He looks different, and he's faster!

To get the most powerful wepons do the following:]
1-equipe the harbringer with shock mode
2-magma canon with shock mode
3-turtle luncher with shock mode
4-dual vipers with brain wash
5-scorpion flial with shock
6-the aribiter with time-bomb
7-hunter mine with mini bomb
8-fusion rifle with freez

Go To The Swamp Planet on the first challenge hack one orb when going in side the arena only one and kill them with your wanted upgrade weapon this keep going IM WARNING YOU IF IT GOS SLOW SAVE GAME OR SUFFER THE LOSE OF BOLTS AND LEVELS

I have just gotten all my weopons to lv 99,here they are:
Mega leviathan flail 3012damage
Mega dual raptors 168damage
Mega vulcan cannon 567damage
Mega stalker mine launcher 1034damage
Mega b11-vaporizer 1550damage
Mega silencer 4991damage
Mega anti-matter rifle 4046damage
Mega omni-sheild launcher 54damage
Mega quasar turret launcher 238damage
Finaly MEGA SUPERNOVA 19967DAMAGE
The way I got all these weopons to level 99 fast is doing the endzone challenge is the arena.i also have 56'000'000 bolts that I got from there too.

If you press L1,L2,R1,X you will jump high!
It will take you a few trys
This cheat works olny online