Successfully complete the game to unlock Challenge mode. This mode allows weapons to be upgraded to level 10, but with more difficult enemies.

Additionally, you can buy the Golden Groovitron in Challenge mode for 2 million Raritanium.

RYNO IV - Obtain all Holo-plans.

RYNO 4Ever - Play in challenge mode and fully upgrade your RYNO IV. You can then purchase the RNYO 4Ever from a weapons merchant for 50 million bolts.

Skill Points

Chorus Line (General): Make eleven enemies dance together.

Promoted to Inspector: Get every gadget.

Cheapskate (General): Purchase a single Combuster shot.

Disco Inferno (General): Use the Groovitron followed by the Pyro Blaster.

Golden Children (General): Get all Gold Bolts.

Bolts in the Bank (General): Sell 20 Leviathan Souls to the Smuggler.

Happy Feat (General): Get nine penguins dancing on screen.

It's like the South Pole Here (General): Turn at least fifteen enemies or citizens into penguins at one time.

Smashing Good Time (Planet Cobalia): Destroy all crates and consumer robots on port and gel factory.

I Should Have Gone Down in a Barrel (Planet Cobalia): Jump into each of the two Gelatonium waterfalls in the Cobalia Gelatonium plant.

Giant Hunter (Planet Cobalia): Kill all Basilisk Leviathans in the Cobalia wilderness.

We Don't Need No Stinkin' Bridges! (Planet Kortog): Cross the Tripad sequence using gel cube bounces. Note: You do not need to use the gel cubes; you just have to cross the area without activating the bridge.

Minesweeper (Voron Asteroid Belt): Clear out ten to fifteen mines.

Whats that, R2? (Voron Asteroid Belt): Barrel roll ten times.

One Heckuva Peephole (Planet Mukow): Use the Geo-Laser to blast through the wall. Follow the path you took to get to the arena the first time. Eventually Clank will begin to sense the laser area.

Alphabet City (Nundac Asteroid Ring): Teleport to each of the Siz asteroids in alphabetical order.

Dancin' with the Stars (Nundac Asteroid Ring): Make five enemies dance at once on an asteroid (Upper part of Beta).

Preemptive Strike (Planet Ardolis): Destroy five of the Thwogs while they are sleeping.

I've Got Places to Be (Rakar Star Cluster): Destroy Iron Crotch Caruso in under 2:30.

Pretty Lights (Rakar Star Cluster): Do not destroy any Snatchers.

Untouchable (Rykan V): Do not take damage in the Gyro-Cycle.

The Consumer is Not (Always) Right (Rykan V): Destroy eighteen consumer robots.

It Sounded Like a Freight Train (Planet Sargasso): Get eleven Anthropods in one tornado.

Extinction (Planet Sargasso): Kill all the Sargasso Grunthors (Leviathans).

Head Examiner (Planet Sargasso): Land on all of the Troglosaur heads.

Seared Ahi (Planet Viceron): Use the Pyro Blaster on three Drophyds after freeing them from their robotic suits.

Dancing on the Ceiling (Planet Viceron): Successfully use the Groovitron on a Gravity Ramp.

Can't Touch This (Verdigris Black Hole): Do not take damage before fighting Greasepalms McGee.

Fire With Fire (Planet Jasindu): Kill two Kerchu Pyroguards with the Pyro Blaster.

Six Gun Salute (Ublik Passage): Get six pirates in a row to salute Ratchet while wearing the Holo-Pirate disguise.