The Operation 4: Brothers in Arms Title update for Gears 5 has 24 achievements worth 340 gamerscore.
Deal 100,000,000 damage in Versus
Kill 100,000 enemies in Versus
Get 50,000 assists in Versus
Re-up 40 Times
Deal 30,000,000 damage in Versus
Get 12,500 assists in Versus
Kill 25,000 enemies in Versus
Master an Escape Hive and Horde Map from Operation 4
Master All Featured Horde Maps from Operation 4
Win a Match of Horde Frenzy on Master Difficulty
Complete a Featured Horde Map from Operation 4
Complete 12 consecutive waves of Horde Frenzy with Baird & Paduk in your Squad
Unlock a reward in any Competitive playlist
Complete all Year One Escape Hives
Escape all Operation 4 Hives on Experienced Difficulty or Higher
Acquire any Weapon from the Fabricator in Escape
Win a Match of Horde Frenzy (any difficulty)
Reach Character Level 15 with 10 Characters
Complete a Versus match on Reactor, Blood Drive & Checkout
Win a match of Gridiron with an Operation 4 Hero or Villain
Get a Denial on an Enemy while they are inside your Endzone with the flag in Gridiron Mode
Kill an enemy using a planted Grenade in Gridiron mode
Escape a Hive with Paduk
Wake-up in the Med bay while escaping a Hive in Escape