Rewards  -  You get these after getting a certain amount of skill points or doing other tasks.

Clank Backpacks Get 100 skill points
Concept Art Pack 1 Get 10 skill points
Concept Art Pack 2 Get 20 skill points

Flip Levels Get 70 skill points

Movie Player Beat the game
MP Mechanic Skin Get 126 skill points
MP Soldier Skin Beat the game on superhuman

The Mighty Wrench (allies get a wrench) Get 40 skill points

Skill Points

20th Sentry Don't get hit by a laser mine
Acupuncture Is Cheaper Kill 3 enemies at once with the hedgehog

Chicks Dig Eyestrain 20 Intelligence reports
Chimera Pate Run over 10 enemies with the tank in York

Don't Worry, Insurance Has It Covered Break Chimeran Box in level 30

Fast Like The Tortoise Take no damage from Slipskulls in the outskirts of London.
Fetch Kill a Howler with a grenade

Gasping for Air Kill 2 Hybrids in a level only after severing all of their hoses

Homing Beacons Tag 4 Hybrids with the Bullseye

I Believe This Is Yours Use only Chimeran weapons to kill enemies in level 72.
I Can See My House From Here! Jump at least 50m in the LU-P Lynx in Cheddar Gorge
In 1 Ear, Out the Other Get 5 headshots with L23Fareye in Nottingham
In For a Penny Kill 3 Hybrids with a single grenade

Leapin’ Lizards Take no damage from Rollers in the outskirts of London.
Lightfoot Take no damage from the mines in Manchester
Lovely Parting Gifts Squat over 15 dead hybrids

Mechanical Thumbs Beat the game on hard
Mirror, Mirror Destroy all glass objects in all 3 sections of the level
Misplaced Aggression Blow up all cars in town section of Somerset

Next Speed Trap, 50 miles Beat Somerset in 7 minutes 45 seconds or less
Nowhere to Hide Kill 5 enemies in a level by shooting them through a wall with the Auger

Passive Aggressive Kill 4 Hybrids or Menials with non-weapon damage
Personal Space Bubble Don't let any menial grab you during level 30

Reading Is Fun! 10 Intelligence reports

Supersonic Meat Cubes Kill 3 Leapers with a Frag grenade

Tag, You're It Kill 5 enemies with the Bullseye in 30 seconds
They Came From Behind Run over 3 hybrids while driving in reverse
This Is My House Don't let Chimera stand on the mining platform for more than 10 seconds in Bracknell.
This is My Rifle, This is My Gun Kill the Stalker in Manchester Traffic Circle using only the M5A2
Too Many Secrets Collect all Intelligence reports
Turrets Use the Chimeran Sentry gun to kill 6 enemies
Twirly-Whirly Kill 5 menials with bullseye trap

We've Lost the Security Deposit Anyway Break 10 medical lamps
Why Are These Candles Screaming? Kill 8 hybrids with fire in 2