DOOM Walkthrough

11. Title Update 6.66

Title Update 6.66 added and changed a very large amount of content for the multiplayer portion of the game, making the previously released DLC items free to play and adding challenges to the multiplayer. If you did not purchase the "Unto the Evil", "Hell Followed", or "Bloodfall" packs while they were still on the marketplace for $15 each you are now in for quite a grind. Every achievement now revolves around using new unlockable weapons or wearing new unlockable armor, as well as completing challenges and receiving a gold medal. Let's start with those, since they'll be available to you from the beginning.

In the multiplayer menu start by selecting a challenge. They can range from getting kills with certain weapons, in certain game modes, or by completing certain objectives. Find one that you'll have little trouble getting and begin tracking it. After that, enter a game of Warpath. Your goal is to get 1,500 points in a single match, so play the objective and try to get as many offense/defense kills as you can. if you complete your tracked challenge in this game, you will unlock:

On Track

Complete a tracked Challenge in a Multiplayer Match

On Track
2 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.

If you score 1,500 points in this match, you'll get a Gold rating and:

A Memorable Performance

Earn a Gold Rating in a Multiplayer Match

A Memorable Performance
1 guideOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.

If not, keep playing until you do. You need to rank up anyway, so don't fret if it takes a few matches. Your next goal is to unlock weapons, armor, and taunts from multiplayer progression. Challenges will occasionally pop up that give you these items as rewards, but all can be unlocked by reaching a certain level or Echelon (prestige). I'll list the order in which these unlock so that you can utilize them as fast as possible. The fastest way to earn is XP is by playing when double XP is enabled, completing challenges, or playing the objective in your gametype of choice. With that said and done, this is the unlock list:

Default

The "Ambusher" class starts with the grenade launcher. Enter any match and get 10 kills with this weapon (easier in modes that require you to defend or attack certain positions on the map as opposed to deathmatch game types), make sure to utilize the splash damage. You can space this out throughout as many games as you'd like. Once you hit 10 kills you will unlock:

Successful Launch

Kill 10 enemies with the Grenade Launcher in Multiplayer

Successful Launch
3 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Cumulative + - These achievements are obtained by repeatedly performing the same action or set of actions over time.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

The Ambusher also has the Threat Pulse automatically equipped. Simply use it at every opportunity, as you only need to detect 20 enemies with it and not kill them. After hitting 20 you will unlock:

Threat Assessment

Detect 20 enemies using the Threat Pulse in Multiplayer

Threat Assessment
2 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Cumulative + - These achievements are obtained by repeatedly performing the same action or set of actions over time.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Level 21

You will unlock the Harvester Demon here. Like all other demons, you need to pick up a Demon rune on the map to transform and wreak havoc on your enemies. Pick this demon in your loadout after unlocking it, then enter any game with control points or position defense. Simply kill 10 enemies with this demon across all of your games to unlock:

Tenderizing the Crops

Kill 10 enemies with the Harvester demon in Multiplayer

Tenderizing the Crops
3 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Cumulative + - These achievements are obtained by repeatedly performing the same action or set of actions over time.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Level 27

You will now unlock the EMG Mark V Pistol, so make sure to equip it in your loadout and enter a game with it. You'll need 10 kills with it, and my best strategy is to be a cheap little rat and steal kills to get your numbers up. The pistol is very weak, even when fully charged with cn_LT. Run around the map picking off weaker enemies until you reach 10 kills and unlock:

Marked for Death

Kill 10 enemies with the EMG Mark V Pistol in Multiplayer

Marked for Death
2 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Cumulative + - These achievements are obtained by repeatedly performing the same action or set of actions over time.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Level 28

Once you hit level 28 you will unlock the Spectre Demon. Run around until you find a rune, then step into it to transform. Using cn_LT to rush enemies is the best way to kill enemies in rapid succession, so find 2 or more enemies congregated around a point and rush them. Killing 2 or more quickly enough will get you:

Bowling for Gibs

Perform a MultiKill with the Spectre demon in Multiplayer

Bowling for Gibs
2 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Once that's done, your next objective is 10 kills with this demon across all games. Once you get to 10 you will unlock:

Head First

Kill 10 enemies with the Spectre demon in Multiplayer

Head First
3 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Cumulative + - These achievements are obtained by repeatedly performing the same action or set of actions over time.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Level 32

You'll unlock the first taunt from the "Unto the Evil" pack here. Like all taunts, go to Customization > Taunts and assign this one to a spot on the D-Pad. Get into a game and use it for:

Sitting Duck

Use a taunt from "Unto the Evil" Content Pack during a Multiplayer Match

Sitting Duck
2 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Level 33

this is where you'll unlock the Reaper gun, which is fairly powerful. Use charge shots to knock off huge chunks of your enemies health, and go for 10 kills with it. Once you reach 10 you'll unlock:

Reaping all the Benefits

Kill 10 enemies with the Reaper in Multiplayer

Reaping all the Benefits
3 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Cumulative + - These achievements are obtained by repeatedly performing the same action or set of actions over time.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Level 35

It is here where you unlock the first taunt from the "Hell Followed" pack. Equip it and use it in a match for:

Like Nobody is Watching

Use a taunt from the "Hell Followed" DLC during a Multiplayer Match

Like Nobody is Watching
2 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Level 36

You unlock the Cacaodemon here, one of the easiest to get kills with. Equip it like any other demon and enter a game. Get close to an enemy, then hold cn_LT to grab them with your tongue and eat them. It's an instant kill every time and it is very possible to get the 10 kills needed with this demon in a single game. Once you reach 10, you'll earn:

Eat your Vitamins

Kill 10 enemies with the Cacodemon in Multiplayer

Eat your Vitamins
3 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Cumulative + - These achievements are obtained by repeatedly performing the same action or set of actions over time.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Level 37

Here you will unlock the "Bounty" rune. Make sure to use and equip this, as this will get you more XP per game and reduce the grind a bit.

Level 38

Here is where you will unlock the first taunt from the "Bloodfall" pack. Equip it and use it in a match for:

Insult to Injury

Use a taunt from the "Bloodfall" DLC during a Multiplayer Match

Insult to Injury
1 guideOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Level 42

This is where you unlock the Kinetic Mines, which act as proximity grenades. Equip them and throw them around flags or objectives in objective based game modes, waiting for weakened enemies to walk over them. 5 kills with these mines gets you:

Motion in the Explosion

Kill 5 enemies with the Kinetic Mine in Multiplayer

Motion in the Explosion
2 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Cumulative + - These achievements are obtained by repeatedly performing the same action or set of actions over time.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Level 44

This is when you unlock the final rune and earn:

Slotted for Success

Unlock all Multiplayer Runes

Slotted for Success
1 guideOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Level - These achievements must be obtained by levelling up in-game components.

Echelon IV, Level 1

Once you hit this level you will unlock the first piece of Cultist armor, Cult 1: Acolyte. Like all armor you need to equip it by going to Customization > Customize Character > Custom Suit > Armor and choosing the armor. Play a match with it equipped to unlock:

Fashion Fanatic

Play a Multiplayer Match with a piece of Evil Cultist armor equipped

Fashion Fanatic
1 guideOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Echelon V, Level 1

In Echelon V you unlock an easy challenge; Get 5 Glory Kills as a demon. Only demons with arms can get glory kills, so keep that in mind. Completing that challenge unlocks the first piece of Robotic Armor. If you don't want to attempt challenges, one will unlock naturally at Echelon VIII. Equipping and wearing it in a game unlocks:

Computing with Style

Play a Multiplayer Match with a piece of Robotic Armor equipped

Computing with Style
1 guideOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Level - These achievements must be obtained by levelling up in-game components.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Echelon VIII, Level 1

Reaching this level unlocks 2 challenges that allow you to unlock Cyber-Demon armor now, otherwise you'll need to grind all the way up to Echelon X for it. The 2 easiest challenges are:

MVP? More like LVP 1
Kill the top enemy three times in a match.
(5 times)

This will unlock Cyber-Demon 1: Ruiner

Bulletproof 1
Get 5 Hard to Kill (Best kill/death ratio) commendations.

This will unlock Cyber-Demon 4: Hellburst

Notice I said "easiest" but not particularly easy. Playing objective gametypes and going for kills only might be the best route for these challenges, but if they're really giving you trouble you can go up to Echelon X. Equip and play a match with one of these armor pieces for:

Beauty is Pain

Play a Multiplayer Match with a piece of Cyber-Demonic armor equipped

Beauty is Pain
5 guidesOnline Game Mode - These achievements require a connection to live services, such as Xbox Live, for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Versus - These achievements can be obtained by two or more players in a face off gamemode who have met the achievement requirements.Level - These achievements must be obtained by levelling up in-game components.Shop - These achievements require the purchase of an item or a series of items as prerequisites from a shop.Players Required - These achievements require a minimum number of participating players to attempt.4 Players Required - These achievements require a minimum number of participating players to attempt.

Wow, what a ridiculous grind! At least the Hell is now over, congratulations!

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