Here is the full list of all 44 Micro Machines World Series achievements worth 1,000 gamerscore.
Marked and destroyed an opponent as Lt. Shields
Reached level 10
Destroyed 2 opponents with a single Rapid Fire as G.I. JOE MOBAT
Completed an online event with every vehicle
Hit a burning opponent with a COBRA H.I.S.S Heat-Seeking Missile
Collected 50 items
Completed a special event
Finished an event using a newly equipped item
Completed an online event
Completed a public match during a season
Completed the tutorial
Get all other achievements
Reach level 20
Reach level 30
Reach level 40
Prestige for the first time
Complete an event in a group
Get promoted to the Silver division
Collect all items for a single vehicle
Collect 100 items (not including exclusive rewards)
Use ultimate abilities 10 times
Shatter a frozen opponent using Viktoriya Tennikost's Ice Axe
As Dr. Mel, resurrect every player on your team in a single battle
As Hank N. Stein, destroy 3 flag or bomb carriers that have been slowed by your Earthquake.
Use Yu Saiko to destroy 3 opponents in a single Black Hole
Use one of Jack Hammer's boosted Sentry Turrets to destroy 3 opponents
Use Agent Atom to Flashbang 3 opponents within 3 seconds of leaving Stealth
Explode a burning enemy with El Incendio's Nitro Tank
Use Chief A. Blaze's Foam Blast to put out flames on 3 teammates at once
Hit 3 opponents with a single Life Ring from Captain Smallbeard
Push 5 opponents into the lawn mower in a single battle
Destroy 5 opponents while you're riding on a drone
Feed a player to the hippos
Exit a teleporter and destroy an opponent 5 times
Get an assist on an opponent destroyed by the Ouija board
Push 10 opponents into buzzsaws
Destroy an opponent by pushing them into a laser gate
Win a King of the Hill game without letting the opposition get a single point
Destroy an opponent within 1 second of them picking up your flag
Take a bomb from your base and explode the opponents' base without dropping it
Win a race without being destroyed on 10 different tracks
Win every round in an elimination event
Push 3 opponents into hazards in one round of a local elimination match
Destroy all 3 opponents in a single life during a local free-for-all match