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- Wrenchmaster - Kill 3 enemies with a single Wrench throw.
- Round Trip - Kill an enemy while the Spiral of Death is returning.
- The Simple Art of Armageddon - Kill 15 enemies with the RYNO V without releasing the trigger.
- Longshot - Kill 30 enemies with the Plasma Striker by shooting their weakspot.
- Sonic Assassin - Fire the Sonic Eruptor perfectly 50 times.
- Party Crasher - Kill 50 dancing enemies.
- Head Like a Rock - Hoverboot through 100 crates.
- You're Fired - Maintain an oil fire for 30 seconds.
- Orvus's Son - Timebomb 250 projectiles.
- Subzero Hero - Keep four enemies frozen at the same time with the CryoMine Glove.
- Custodian of Time - Fix 50 broken objects.
- Master of Time - Reach round 30 on the Time Fixing Mini-game.
- Dance, Monkey, Dance - Make 8 Monkeys dance at the same time.
- Ace Pilot - Destroy 20 fighters without taking damage.
- Magic Bullet - Kill 2 enemies with one bullet.
- Shock Therapy - Trap an enemy with the Mag-Net Launcher and kill it with the Tesla Spikes.
- Regifter - Kill two enemies at the same time with Clank.
- Friend of Fred - Kill 10 enemies with one Rift Inducer 5000 shot.
- Air Lombax - Kill 50 enemies while in mid-air.
- Champion Bowler - Kill ten enemies with one Dynamo.
- Negative, Ghostrider! - Destroy 5 Dropships before they can drop off their passengers.
- Cold Killer - Kill 100 Zyphoids.
- Terrible Tourist - Destroy every breakable object in the Fongoid Village.
- Interception! - Grab a bomb in mid-air.
- Impatient Champion - Complete the challenge Gone in 60 Seconds in less than 45 seconds.
- Lifted and Gifted - Complete any challenge without taking off the Hoverboots.
- Master Blaster - Keep Qwark's blaster in the hot state for 60 seconds in My Blaster Runs Hot.
- Praetorian Guard - Defeat the Elite Hydra Tank with the Wrench.
- Flawless - Complete Overkill without taking damage.
Nefarious Space Station
- Bug Bait - Take damage from all of the Tetramite swarms without dying.
- Treasure Hunter - Destroy all Camo Crates in the level.
- Terachnoid Rave - Make a total of 12 Terachnoid's dance with the Groovitron Glove.
- Baggage Handler - Destroy every piece of luggage in Axiom City.
- Spring Cleaning - Destroy every trash pile in Monoloth Fields. Trash piles are large pieces of scrap metal, like the one found in front of Aphelion. There are 5 in total, all located before the entrance to the Hollow. They can only be destroyed by explosives.
- Son of Kaden - Complete the Hoverboot course in 45 seconds or less.
- Chasing Tail - Stay behind the Comet for 15 seconds.
- No Respect for the Dead - Destroy every piece of junk in the graveyard.
- I Think I'm Gonna Be Sick - Perform 5 U-Turns in 20 seconds.
- Stockpiler - Destroy 20 enemies without using missiles.
The Great Clock
- Temporal Pacifism - Complete the third Time Puzzle in Great Clock: Sector 2 without harming a Teratrope.
- Brainiac - Complete the final Time Puzzle in 40 seconds or less.
- What Goes Up - Use a Time Bomb to keep a crate suspended in mid-air for three seconds.
- Outta Time - Complete the Great Clock: Sector 1 in 300 seconds.