The Jacked Game Mode Title update for Gears Tactics has 11 achievements worth 400 gamerscore.
Kill one or more of each Deviant enemy (Jacked game mode only).
Complete a mission with Jack (Jacked game mode only).
Apply three or more stacks of Wingman on a single ally (Jacked game mode only).
Use Jack to rescue both soldiers from torture pods on a Rescue mission (Jacked game mode only).
Have four squad members with the Jacked status effect at the same time (Jacked game mode only).
Defeat the Brumak in Act 1 Chapter 6 without Jack taking damage (Jacked game mode only).
Gain a Supply with a Hidden Jack and no other allies in the Supply Point (Jacked game mode only).
Use Jack to HiJack each non-boss enemy at least once (Jacked game mode only).
Win a Veteran Mission without taking a point of damage (Jacked game mode only).
Equip at least one weapon with all Supreme Weapon Mods (Jacked game mode only).
Earn all "Jacked game mode" achievements.