Undead Overrun Challenges are a category of multiplayer challenges in Red Dead Redemption that involve the Undead Overrun game mode. The Undead Overrun game mode and associated challenges are part of the Undead Nightmare DLC. There are four sets of Undead Overrun challenges as detailed in the sections below. Completion of each challenge earns the player XP and a new title.
|1||Revive 1 downed player||50||Helping Hand|
|2||Revive 3 downed players and accrue 5 assists in one game||100||Doing Most of the Work|
|3||Accrue 10 assists and 5 defenses in one game.||150||Guardian Angel|
Accrue 15 assists, use Dynamite to kill 5 zombies with one stick, revive 5 downed players in one game.
|200||Body Parts Flying|
|5||Accrue 200 assists and 100 revivals total||250||Heart of the Team|
Zombie Kill Chain
|1||Get a kill chain of 10||50||Damned, Beware!|
|2||Get a kill chain of 20||100||No Sweat!|
|3||Get a kill chain of 30||150||No Un, Just Dead|
|4||Get a kill chain of 35||200||No Time to Breathe|
|5||Get a kill chain of 40||250||No Bullet in Vain|
|1||Kill 5 of each zombie type||50||Undead All Rounder|
|2||Have a 20 zombie kill streak using a shotgun in one game||100||No Shell Wasted|
|3||Kill 500 additional zombies||150||Keepin 'em Dead|
|4||Kill 1000 zombies||200||Go Back to Hell|
|5||Kill 5000 zombies||250||Undead's Nightmare|
|1||Survive for 2 waves without being downed in one game||50||Just Warming Up|
|2||Survive for 4 waves without being downed in one game||100||Wave of the Dead|
|3||Survive for 10 waves without being downed in one game||150||I'm Ready for More!|
Survive for 15 waves without being downed in one game and having opened 10 coffins
|5||Complete a total of 500 waves||250||Tsunami|
- The title "Guardian Angel" earned in rank 3 of the Team Player challenge is also the phrase used by the announcer when a player defends another player ("defends" means that the player kills an Undead who is attacking another player).