All 4 One has a total of 100 skill points, and are used to unlock cheats.
Each location in the game contains a set amount to be completed, with some specific to certain segments. Most skill points are generally tied to weapon use, bolt collection, co-op actions, and game completion.
Luminopolis[]
A Band of Weirdos[]
Get through Luminopolis without a single hero dying.
Public Menace[]
Destroy all of the consumer bots.
Aldaros Plains[]
Better Luck Next Time[]
Defeat a gravoid brute without getting hit by a missile.
Judgment day[]
Throw Clank or Nefarious into the incinerator.
Gold Stars for Everyone[]
Dispose of all of the trash balls in the first incinerator in seven seconds.
(Easier with multiple human players, but possible in single player with quick use of the sprint ability.)
Hold Your Ground[]
Don't let the gravoids take more than five pieces of ground.
Deadlocked and Loaded[]
Defeat all of the arena enemies in Aldaros Plains with your melee weapons.
The Deadgrove[]
Have You Two Met?[]
Get one proton turret to kill another.
Treasure Hunter[]
Quakehammer all of the rock piles in the Deadgrove.
Back to Work[]
Break the water cooler.
Terminal Velocity[]
Don't use the Jet Pack for 30 seconds.
Crate Hater[]
Break all of the floating crates in the Deadgrove.
Jetpack Master[]
Don't touch any of the hazards using the Jet Pack.
It Burns When I Touch It[]
Don't touch the lava floor.
N.E.S.T.[]
100% Pure Adrenaline[]
Make it up the wind tunnel in 20 seconds.
Master Infiltrator[]
Get through the sorting facility without being spotted by the sentry minions.
(The fully-upgraded Plasmabomb Launcher is ideal for this skill point, as it can easily destroy sentry minions from a distance and out of the range of their scanners. In the building after the wind tunnel, the versa-crank must be turned as fast as possible to reach the trio of scanner minions in the lower area before they activate, where they must then be quickly destroyed with a plasmabomb.)
Paging Mr. Perkins[]
Don't get hit by Mr. Perkins.
Poor Mr. Perkins[]
Critter Strike Mr. Perkins.
Grind Rail Ace[]
All players avoid all of the hazards on the final grind rail in N.E.S.T.
(Playing in single player is recommended to make this skill point easier.)
Octonok Cay[]
Gone Fishin'[]
Get all of the goody reels.
The Conductor[]
Avoid being damaged by the conductor panels.
Rusty Pete Would be Proud[]
Navigate the waters of Octonok without damaging any of the rafts.
Terawatt Forest[]
Team Spirit[]
Save a hero from the spotlight.
(Use the Vac-U to save a teammate caught in a gaurdian's tractor beam.)
On Planet Magnus, Vegetables Eat You[]
Don't get eaten by a venixx.
Phonica Moon[]
Ace Pilot[]
Reach Phonica Moon without taking damage.
Keep it Green[]
Skip a fuel tank during the flight to Phonica Moon.
Polar Sea[]
Cold Hearted[]
Destroy all of the icicles.
(Must be completed in one sitting through the location's three segments; Middle of Nowhere, Polar Ice Floes, and Valley Floor.)
Demolition Expert[]
Destroy all of the pyromite generators in the Polar Sea.
(The RYNO VI Protosuit and its overload attack is ideal for this skill point.)
Pain Don't Hurt[]
Defeat a Polar Sea grungoth with only your melee weapons.
Uzo City[]
The Pacifist[]
Get past the sentry minions in Uzo City without getting killed or killing them.
General[]
Combuster Apprentice[]
Kill 50 enemies with the Combuster.
Combuster Master[]
Kill 100 enemies with the Combuster.
Combuster Legend[]
Kill 200 enemies with the Combuster.
Arc Lasher Apprentice[]
Stun five enemies with the Arc Lasher that another teammate kills.
Arc Lasher Master[]
Stun ten enemies with the Arc Lasher that another teammate kills.
Arc Lasher Legend[]
Stun 15 enemies with the Arc Lasher that another teammate kills.
Thundersmack Apprentice[]
Kill 25 enemies with the Thundersmack.
Thundersmack Master[]
Kill 75 enemies with the Thundersmack.
Thundersmack Legend[]
Kill 150 enemies with the Thundersmack.
Warmonger Apprentice[]
Kill five enemies with the Warmonger.
Warmonger Master[]
Kill 15 enemies with the Warmonger.
Warmonger Legend[]
Kill 30 enemies with the Warmonger.
Plasmabomb Launcher Apprentice[]
Kill 20 enemies with the Plasmabomb Launcher.
Plasmabomb Launcher Master[]
Kill 75 enemies with the Plasmabomb Launcher.
Plasmabomb Launcher Legend[]
Kill 200 enemies with the Plasmabomb Launcher.
Pyro Blaster Apprentice[]
Kill 30 enemies with the Pyro Blaster.
Pyro Blaster Master[]
Kill 60 enemies with the Pyro Blaster.
Pyro Blaster Legend[]
Kill 120 enemies with the Pyro Blaster.
Blitzer Apprentice[]
Kill ten enemies with the Blitzer.
Blitzer Master[]
Kill 20 enemies with the Blitzer.
Blitzer Legend[]
Kill 30 enemies with the Blitzer.
Frost Cannon Apprentice[]
Freeze 25 enemies and then destroy them.
Frost Cannon Master[]
Freeze 50 enemies and then destroy them.
Frost Cannon Legend[]
Freeze 75 enemies and then destroy them.
Critter Strike Apprentice[]
Turn 25 enemies into critters with the Critter Strike.
Critter Strike Master[]
Turn 50 enemies into critters with the Critter Strike.
Critter Strike Legend[]
Turn 100 enemies into critters with the Critter Strike.
RYNO Apprentice[]
Kill 25 enemies with the RYNO.
RYNO Master[]
Kill 50 enemies with the RYNO.
RYNO Legend[]
Kill 100 enemies with the RYNO.
Fission Tether Apprentice[]
Kill 30 enemies with the Fission Tether.
Fission Tether Master[]
Kill 75 enemies with the Fission Tether.
Fission Tether Legend[]
Kill 200 enemies with the Fission Tether.
Zurkon the Apprentice[]
Kill 25 enemies with Mr. Zurkon out.
Zurkon the Master[]
Kill 50 enemies with Mr. Zurkon out.
Melee Apprentice[]
Kill 50 enemies with melee.
Melee Master[]
Kill 100 enemies with melee.
Q-Force Apprentice[]
Kill ten enemies in a row using melee without taking damage.
Q-Force Master[]
Kill 25 enemies in a row using melee without taking damage.
Doppelbanger Apprentice[]
Destroy ten enemies while they're distracted by the Doppelbanger.
Doppelbanger Master[]
Destroy 20 enemies while they're distracted by the Doppelbanger.
Quantum Deflector Apprentice[]
Absorb 75 shots with the Quantum Deflector.
Quantum Deflector Master[]
Absorb 200 shots with the Quantum Deflector.
Zoni Apprentice[]
Kill five enemies that have been slowed down by the Zoni Blaster.
Zoni Master[]
Kill ten enemies that have been slowed down by the Zoni Blaster.
Cloak & Dagger Apprentice[]
Kill five enemies while using the Cloaker.
Cloak & Dagger Master[]
Kill ten enemies while using the Cloaker.
Overload Apprentice[]
Use co-op overload to kill 15 enemies.
Overload Master[]
Use co-op overload to kill 30 enemies.
Medic[]
Revive other teammates five times.
(Requires at least two human players.)
Nurse[]
Revive other teammates ten times.
(Requires at least two human players.)
Doctor[]
Revive other teammates 15 times.
(Requires at least two human players.)
Guardian Angel[]
Revive the same teammate twice in a row with at least two additional human players.
(Requires at least three human players.)
Making the Grade[]
Buy your first upgrade.
Galactic Scout[]
Kill 100 enemies.
Galactic Adventurer[]
Kill 200 enemies.
Vac-U Apprentice[]
Kill ten enemies with the Vac-U 4000.
Vac-U Master[]
Kill 25 enemies with the Vac-U 4000.
Mortar Slam Apprentice[]
Mortar Slam ten enemies.
Mortar Slam Master[]
Mortar Slam 30 enemies.
The Bolt Collector[]
Have 25,000 bolts banked.
Dream Crusher[]
Double second place's bolt count.
(Requires at least two human players.)
The Green-Eyed Monster[]
Get Bolt Master at four Most Wanted screens in a row.
(Requires at least two human players. One player must collect more bolts than the other in four segments in a row.)
The Qwark Award for Excellence[]
Get the n00b award at four Most Wanted screens in a row.
(Requires at least two human players. One player must die more times than the other in four segments in a row. Completing this skill point concurrently with "The Green-Eyed Monster" is ideal to consistently acquire both Most Wanted screen results.)
Forever Alone[]
Beat the game with the bot.
(Complete all 9 locations in single player with one character.)
(Note: Reaching the end of each location's final segment is all that is needed to verify completion, preceding segments are not necessary.)
Good Grief[]
Beat the game in Grief Mode.
(Complete all 9 locations with Grief Mode enabled in the Cheats menu.)
Son of Kaden[]
Complete the game with Ratchet.
(Complete all 9 locations playing as Ratchet.)
Son of Orvus[]
Complete the game with Clank.
(Complete all 9 locations playing as Clank.)
Master of Evil[]
Complete the game with Dr. Nefarious.
(Complete all 9 locations playing as Dr. Nefarious.)
Hail to the Chief[]
Complete the game with Qwark.
(Complete all 9 locations playing as Qwark.)