Weapons (6/6)
Wrenchmaster - Defeat 3 ennemies with a single wrench throw
Round Trip - Defeat an enemy with the Spiral of Death while the energy sprial is returning
The Simple Art of Armageddon - Defeat 15 ennemies with the RYNO V without releasing the trigger
Longshot - shoot 30 enemies in their weak spots using the Plasma Striker
Sonic Assassin - Fire the Sonic Eruptor perfectly 50 times
Party Crasher - Defeat 50 dancing enemies

Gadgets (3/3)
Head like a Rock - Cannonball through 100 crates while on your hoverboots
You're Fired – Maintain an oil fire for at least 30 seconds.
Orvus's Son – Timebomb 250 projectiles.

Skill (5/5)
Subzero Hero - Freeze 4 enemies simultaneously using the CryoMine Glove
Custodian of Time - Fix 50 repairable objects in the Great Clock
Master of Time - Revisit a fixed planet and reach the 30th wave for this one.
Dance Monkey, Dance - Get 8 Monkeys to dance simultaneously
Ace Pilot - Destroy 20 fighters without getting hit

Destruction (7/7)
Magic Bullet - Defeat 2 enemies with one bullet
Shock Therapy - Defeat an enemy trapped by a Mag-Net using the Tesla Spike.
Regifter - Destroy 2 enemies with one deflection
Friend of Fred - Defeat 10 enemies with one Shot of the Rifter 5000
Air Lombax - Defeat 50 enemies while the player is in mid-air
Champion Bowler - Defeat 10 enemies with one dynamo
Negative Ghostrider - Shoot down 5 dropships before they can drop off their passengers

Zolar Forest (2/2)
Cold Killer - Destroy 100 zyphoids in Zolar Forest
Terrible Tourist - Destroy every breakable objects in the Fongoid village

Agorian Battleplex (6/6)
Interception! - Catch an Agorian Bomb out of the air
Impatient Champion - Finish "Gone in 60 Seconds" in less than 45 seconds
Lifted and Gifted - Complete a Battleplex challenge entirely on hoverboots
Master Blaster - Keep your blaster in the hot state for 1 minute in "My Blaster Runs Hot."
Praetorian Guard - Destory the Hydra Tank using only your wrench
Flawless - Finish last challenge without getting hit.

Krell Canyon (2/2)
Bug Bait - Take damage from every tetramite swarm without dying.
Treasure Hunter - Destroy every camo crate in the level.

Axiom City (2/2)
Terachnoid Rave - Get 12 Terachnoids in Axiom City to dance.
Baggage Handler - Destroy all luggage in Axiom City.

Molonoth Fields (1/2)
Spring Cleaning - Destroy every junk pile in Molonoth.
Son of Kaden - Complete the hoverboot course in less than 45 seconds

Vela Sector (2/2)
Chasing Tail - Stay behind comet for 15 seconds
No Respect For The Dead - Destroy every ship in the graveyard (both areas).

Korthos Sector (1/1)
The Samaritan - Complete all the missions in this sector

Phylax Sector (2/2)
I Think I'm Gonna Be Sick - Do 5 U-turns within 20 seconds.
Stockpiler - Destroy 20 fighters in a row without firing a missile.

The Great Clock (4/4)
Temporal Pacifism - Complete Quantum Annex 3 without harming a Teratrope.
Braniac - complete the last time puzzle room in 40 seconds or less
What Goes Up - Keep a crate suspended in mid-air for more than 3 seconds.
Outta Time - Complete the first level's initial section within 300 seconds.