Full list of all 45 Gears POP! achievements worth 1,000 gamerscore. It takes around 1000 hours to unlock all of the achievements on Windows.
Upgraded a Pin to max level
Reached Max Player Level 20
Defeated 100,000 pins, won 1000 Versus Battles, reached highest League and cleared 1000 Horde Waves
Got promoted to the highest League
Spent 100,000 Power in any multiplayer mode
Cleared 500 Horde Waves
Earned 2,000,000 Coins
Played 1000 Battles in any multiplayer mode
Cleared 250 Horde Waves
Reached the first League
Played 500 Battles in any multiplayer mode
Reached Player Level 10
Played Horde with 20 different allies
Earned 200,000 Coins
Captured 1000 pieces of cover in Versus
Won 100 Versus Battles without losing any of your Outposts
Destroyed 10 enemy Outposts with Kait Diaz in Versus
Cleared 50 Horde Waves
Played 25 Fortification Pins in Versus
Killed the enemy Leader with the Hammer of Dawn in Versus
Collected 20 new Pins from Gear Packs
Killed 50 enemy Pins with Carmine's Shotgun Blast skill in Versus Battles
Earned 20,000 Coins
Got promoted in Arena or League 3 times
Won a Versus Battle with a Squad consisting of only Common rarity Pins
Reached Player Level 5
Won a Versus Battle where you captured all available cover positions
Defeated a Boss in Horde
Won 5 Consecutive Versus Battles
Got promoted in Arena or League once
Named one of your Squads
Played 150 Troop Pins in Versus
Played 10 Battles in any multiplayer mode
Played 25 Projectile Pins in Versus
Upgraded a Pin 10 times
Killed 5 Pins at once with a single Frag Grenade in Versus
Used Marcus Fenix to capture 6 different pieces of cover in a single Versus Battle
Won a Versus Battle without capturing cover
Upgraded a Pin 3 times
Upgraded a Pin
Won a Versus Battle without losing any of your Outposts
Won a Versus Battle within 2 minutes
Won a Versus Battle 3-0
Collected a new Pin from a Gear Pack
Completed the Tutorial