Halo: Reach achievements

Defiant: Prevented the attacking team from touching the flag in a matchmade 1-Flag CTF game.

Defiant: Was the last surviving uninfected player in a matchmade Infection game.

Defiant: Assassinated a player that just exited Armor-Lock in a matchmade game.

Anniversary: Captured 10 skulls at once in a matchmade Headhunter game.

Anniversary: Killed the flag carrier with a Plasma Grenade in a matchmade game.

Anniversary: Performed a Beat Down on an enemy while using the Jetpack during a matchmade game.

Anniversary: Infected 3 players in a single round in a matchmade Infection game.

Anniversary: Killed an enemy with their own grenade that was stuck to you in a matchmade game.

Anniversary: Ran over 5 people with a vehicle in a matchmade game.

Defiant: Captured two flags from an enemy capture zone in a matchmade Stockpile game.

Noble 1: Your team collected all of the flags in a matchmade Stockpile game.

Noble 1: Your team blew up the research facility in a matchmade Invasion game on Breakpoint.