Full list of all 181 Gears 5 achievements worth 2,500 gamerscore. It takes around 1000 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 68 achievements worth 1,000 Gamerscore, and there are 7 DLC packs containing 113 achievements worth 1,500 Gamerscore.
Switched characters in an Arcade match and killed an opponent who previously killed you
Executed 100 Rejects (any mode)
Reached the rank of Lieutenant in Tour of Duty
Completed a Versus match with a team of four Level 5 Gears Allies
Reached Level 5 with an ally in Gears Allies
Reached the rank of Sergeant in Tour of Duty
Re-upped!
Reached the rank of Corporal in a Tour of Duty
Completed an Escape Hive without firing a shot on Master Difficulty
Won 5 matches of Arcade
Completed a Featured community built Escape Hive
Got 5 kills while inside Hivebuster Venom
Completed 3 Objectives for Tour of Duty in a day
Made a new Ally in Gears Allies
As a team, collected Power from all 4 Power Taps within one wave of Horde
Played a match of Arcade
Completed all Acts of the Campaign (Any difficulty)
Survived the Kraken fight
Assembled the UIR Hammer of Dawn rocket
Secured the UIR rocket
Secured the UIR satellites
Killed the Matriarch
Killed a Sire while it's kidnapping a teammate (any mode)
Created and published an Escape Hive
Used the Comm Towers to locate the hidden facility
Opened the old COG gate in Kadar Valley
Found a way into New Hope
Saved the Riftworm village
Headshot the Swarmak at the theatre
Reinforced Carmine at the Plaza
Used Jack's Flash ability to stun 3 enemies at once in Campaign
Passed through a refuge shower with 3 Hivebusters in the same shower cubicle
Got back to the New Ephyra wall
Completed an Act of the Campaign as playable Jack (any difficulty)
Completed an Act of Campaign in 3-player co-op
Planted the last beacon in the Old Ephyra ruins
Upgraded Del's New Best Friend
Completed Boot Camp
Launched the Rocket
Get a kill with ricochet bullets using Jack's Barrier Ability
Use Jack's STIM upgraded ability to revive a DBNO friendly in Campaign
Use Jack's Shock Trap ability to shock 6 enemies at once in Campaign
Scavenge supplies from all fallen Condors in Act 2 and Act 3
Get a kill with 3 Perks active in Horde
Insane Campaign, Master Horde & Escape Launch Maps & Characters, 20 Re-ups, General in Tour
Reach the rank of Captain in Tour of Duty
Reach the rank of General in Tour of Duty
Get a kill with a Hijacked Pouncer, Warden, Stump and Elite Hunter in Campaign
Acquire all of Jack's Ultimate upgrades in Campaign
Use Jack's Cloak ability to cloak and execute 3 enemies before de-cloaking in Campaign
Fully upgrade Jack's Abilities and Passives in Campaign
Use Jack's Fetch ability to acquire each Heavy Weapon in Campaign
Equip 3 Relic Weapons at one time in Campaign
Kill an enemy with every Relic Weapon in Campaign
Reach Character Level 15 with Tactician, Anchor and Blademaster Class
Reach Character Level 15 with either Tactician, Anchor or Blademaster Class
Complete a Launch Hive on each difficulty (The Hive, The Descent, The Gauntlet or The Mines)
Complete 5 Escape Hives as each one of Mac, Lahni and Keegan
Inflict 9000 damage in Escape while 3 Ultimate Abilities are active
Reach Character Level 15 with Infiltrator, Demolitions, Mechanic, Veteran, Marksman and Jack
Reach Character Level 15 with Infiltrator, Demolitions, Mechanic, Veteran, Marksman OR Jack
Beat 50 Consecutive Waves of Horde (any difficulty)
As Jack, convert one of each weapon to Power using the Forge in Horde
Kill a Boss in Horde while all 5 players have active Ultimate Abilities
Win 25 Ranked matches in one Competitive Season
Complete 5 Matches in a Competitive playlist
Complete all Acts of the Campaign on Insane
Collect all Campaign Collectibles
Acquired 30 Skill Cards of Level 3 or above
Escaped all Operation 2 Hives on Experienced Difficulty or Higher
Defeated the Matriarch in Escape using the Relic Dropshot
Escaped all Operation 3 Hives on Experienced Difficulty or Higher
Re-upped 10 Times
Re-upped 5 Times
Won a Versus round on every customized map piece in Allfathers Arena (9)
Won a match of Gridiron and kept your opponents scoreless
Escaped a Hive with a team of COG Soldier, Lizzie Carmine, Clayton Carmine, Baird or Cole
Acquired Character Skins for 3 different post launch Characters
Completed a Versus Match on Allfathers Arena, Lift, Mid, Boxes, Nethercutt, Pit & Core
Completed a Match of Arcade Blitz as a Hero or Villain from Operation 2 or Operation 3
Escaped a Hive with Lizzie Carmine, Clayton Carmine, Baird or Cole
Won a Match of Arcade Blitz where the opposition team is within 25 points of winning
Executed both members of the enemy team within a round of 2vs2 Gnashers
Used the Scrubber Room to slow down the Venom in Escape
Won a Match of Arcade Blitz with the most Points earned in a Ring
Scored a Touchdown with the Flag in Gridiron
Placed first in a Match of Free For All
Were 10 kills behind the leader of a Free For All round, then came back to win
Defeated 10 different opponents in a Free For All Match
Defeated an opponent with every Pickup Weapon in a single Free For All Match
Completed a Match of Free For All, Arcade Blitz and Gridiron
Win 10 Competitive Matches of 2vs2 Gnashers
Master an Operation 2 Escape Hive and Horde Map
Master an Operation 3 Escape Hive and Horde Map
Re-up 20 Times
Re-up 30 Times
Complete 50 Waves of Horde with Mac, Keegan and Lahni in your squad
Complete 50 Consecutive Waves of Horde with Lizzie Carmine, Clayton Carmine, Baird or Cole
Kill 200 enemies using the Silverback in Horde
Reach Character Level 15 with Combat Medic, Pilot, Gunner, Robotics Expert or Brawler
Won a Match of Horde Frenzy on Master Difficulty
Completed all Year One Escape Hives
Escaped all Operation 4 Hives on Experienced Difficulty or Higher
Woke-up in the Med bay while escaping a Hive in Escape
Completed a Versus match on Reactor, Blood Drive & Checkout
Won a Match of Horde Frenzy (any difficulty)
Acquired any Weapon from the Fabricator in Escape
Mastered an Escape Hive and Horde Map from Operation 4
Won a match of Gridiron with an Operation 4 Hero or Villain
Killed an enemy using a planted Grenade in Gridiron mode
Got a Denial on an Enemy while they were inside your Endzone with the flag in Gridiron Mode
Escaped a Hive with Paduk
Completed a Featured Horde Map from Operation 4
Complete 12 consecutive waves of Horde Frenzy with Baird & Paduk in your Squad
Master All Featured Horde Maps from Operation 4
Deal 30,000,000 damage in Versus
Deal 100,000,000 damage in Versus
Kill 25,000 enemies in Versus
Kill 100,000 enemies in Versus
Get 12,500 assists in Versus
Get 50,000 assists in Versus
Re-up 40 Times
Reach Character Level 15 with 10 Characters
Unlock a reward in any Competitive playlist
Complete 60 Waves of Horde Frenzy on Insane or Higher
Eliminate 25,000 enemies in Horde or Escape
Eliminate 100,000 enemies in Horde or Escape
Deal 60,000,000 damage in Horde or Escape
Deal 200,000,000 damage in Horde or Escape
Kill 100 enemies using Brawler Class Flame Ability & Flame Skill Cards in Horde or Escape
Kill 100 enemies using Gunner Class Reflect ability in Horde or Escape
Kill 100 enemies under the effect of Nomad's Fear ability, as Nomad Class, in Horde or Escape
Completed a match of Horde Frenzy on Turbine
Completed a match of Horde Frenzy on Command
Completed a match of Horde Frenzy on Atrium
Won 5 matches with the Vrol character
Won 10 matches of Execution
Won 5 matches with Bernie COG character
Won a Versus match on Ephyra
Won a Versus match on Tomb
Won a Versus match on Ritual
Won a Control and/or KOTH match on 10 different maps
Reach Legend 25 in an Operation
Reach Re-Up 50
Reach Re-Up 60
50 Re-Ups, Inconceivable Campaign, Master All hives & Horde Maps , All Classes at Level 20
Win 10 matches in Versus Events
Do 400,000,000 damage in Horde or Escape
Completed a chapter of Campaign while using a Custom Skin
Killed 10 enemies using a weapon with a Custom Skin
Complete all chapters in Ironman Mode on Experienced difficulty or above
Complete all chapters on Inconceivable difficulty
Complete all chapters in one Act while Batista as Marcus is enabled
Reached level five on any one Assault, one Tank and one Support
Own 360 weapon skins
Completed a Versus match in each of Regency, River, Nexus, Clocktower, and Gridlock
Got 100 eliminations in Nexus
Got an elimination with the Scorcher
Max out each of the Anchor, Gunner, Pilot, Veteran, Brawler classes
Win a Ranked match in each of Regency, River, Nexus, Clocktower, and Gridlock
Collect one Heroic skin
Collect 20 Epic character skins
Beat the Gold Time in a Featured Escape
Get 2000 points in a Competitive match from eliminations
Get 1000 points in a Competitive match from ring breaks
Own 50 character skins
Unlock during the DLC Campaign
Activate Keegan, Lahni and Mac's Abilities in the Hivebuster Campaign Expansion
Kill 50 enemies using Lahni's Electroblade Ability as Lahni in the Hivebuster Campaign Expansion
Kill 50 enemies as Mac through your Barrier Ability in the Hivebuster Campaign Expansion
As Keegan, activate Resupply ability 25 times in the Hivebuster Campaign Expansion
Complete all Chapters of the Hivebusters DLC (any difficulty)
Complete all Chapters of the Hivebusters DLC on Insane
Find all Character Ability upgrades in the Hivebusters DLC
Complete the Hivebusters DLC in 3-Player Co-Op (Scorpio squad, dupes not allowed)
Collect all Campaign Collectibles in the Hivebusters DLC