what does phd mean in phd flopper

Treyarch Confirms PhD Flopper As Call of Duty: Black Ops Cold War Zombies’ Final Perk

Call of Duty: Black Ops Cold War Zombies fans get confirmation on the tenth and final perk, with the beloved PhD Flopper filling this role.

For some time now, Call of Duty: Black Ops Cold War players have known that the next round-based map will be the game’s last. They have also known that the final Survival location will feature a new perk, with Treyarch confirming that a classic beverage is returning in Call of Duty: Black Ops Cold War .

Back near launch, the lineup of additional Zombies perks leaked . Both Tombstone and Mule Kick were on this list, with fans able to listen to their jingles long before they became purchasable in the game. However, Double Tap did not end up coming, as the incredibly strong perk would have thrown off balancing based on Treyarch’s comments. As such, it was replaced with Death Perception, a Call of Duty: Black Ops 4 perk that is particularly useful for Outbreak players.

RELATED: Call of Duty Black Ops Cold War Players Want Randomized Finishers

Following this Death Perception change , some were wondering if PhD Flopper would be swapped out with another perk as well. Fortunately, that is not the case. Treyarch not only changed its Twitter profile picture to the perk’s instantly recognizable logo, but the developer also posted its iconic jingle in a separate Tweet. While this is obviously exciting, it is interesting that the perk is using its original design and song, as that would imply functionality similar to its first appearance.

The issue with PhD Flopper is that, as its name suggests, it relies on players diving from large heights to trigger an explosion. Because of this, the perk could not fill its original role in games like Call of Duty: Black Ops 3 and Black Ops 4 . Once Treyarch swapped out dolphin dives for sliding, one of the main features of the perk went away. While it could retain the explosive invulnerability, “flopping” was no longer possible. As such, the perk was not seen in Black Ops 3 and was reworked into the less interesting PhD Slider in Black Ops 4 .

With this in mind, it will be interesting to see how it functions. While it is possible that it features a flopping ability just like the original, it seems unlikely that Treyarch would add a whole new mechanic for one perk. As such, Call of Duty: Black Ops Cold War players may see it functioning like PhD Slider, but with the classic jingle and design used to evoke some nostalgia. With 5 perk tiers to work with, though, an upgraded version of the perk could end up being very powerful.

With more being shown from Season 6’s Forsaken map later today, players may only need to wait a few hours before they get their answers on how exactly PhD Flopper works. Based on the reaction so far, though, the Zombies community is very happy to see it back.

Call of Duty: Black Ops Cold War is available now on PC, PS4, PS5, Xbox One, and Xbox Series X.

MORE: Call of Duty: Vanguard Zombies Needs To Rethink Intel

How to Complete PHD Flopper Explosions Weekly Challenge in Modern Warfare 3 Zombies

Home » Call of Duty MW3 » PHD Flopper Explosions Weekly Challenge in Modern Warfare 3 Zombies

The first week of Modern Warfare 3 launch gave us a weekly challenge that demands players get 30 kills with PHD Flopper Explosions in MW3 Zombies mode. This new game mode brought in several new mechanics and you might be confused by what you’re supposed to do here. One of them are this soda drinks you can find in loot caches or buy at special festival shops. Once you consume these drinks you’ll get a special buff. PHD Flopper is one of those drinks. Let me quickly explain what you need to do to finish your weekly or daily challenge involving PHD Flopper explosions in Modern Warfare 3 Zombies.

How to do 30 Zombie Kills With PHD Flopper Explosions?

PHD Flopper is a buff drink that, when consumed, triggers and explosion when you dive to prone. What this means is that you have to run and press and hold crouch, by default, while running to dive into the prone stance. If you drank the PHD Flopper beforehand this will trigger an explosion that damages surrounding enemies. PHD Flopper explosions increase in strength the higher you fall. This means that if you dive to prone from a top of the building the explosion will be massive. Also, while under the influence of this buff, you get no fall damage while diving and your explosion does not affect you.

I did this challenge by attracting the attention of a bunch of zombies and climbing on top of a nearby wall. I would than run on top of the wall and press crouch facing the zombie mob that would be bellow me. I would dive into prone among them and explode. It took several tries to get enough to complete the challenge. Do note tthat as soon as you land and explode you need to get up and start running. Otherwise, those zombies you didn’t kill will rip you to shreds.

How to get the PHD Flopper Can in Modern Warfare 3 Zombies?

You can find PHD Flopper can in finished contract reward portals or in rare loot caches. You can also get it as a reward from one of the first MW3 zombies missions. The easiest way though is to look at the map for an icon with a nuclear sign on it. When you hover over it it should say PHD Flopper. This is a special vendor kiosk that you can buy the buff from for that single deployment. I believe it costs 2000 aether. If you get this soda can as a drop before this daily you might want to exfil with it. This will keep it in your acquisitions and you can bring it with you to a deployment once PHD Flopper Explosions daily/weekly challenge happens again.

Similar buff was obtrainable in “Call of Duty: Black Ops Cold War”. It was a PhD slider you got from a perk machine.

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PHD Flopper?

Call of duty: black ops - escalation, xbox 360 pc playstation 3, call of duty: black ops - escalation (xbox 360).

• What does PHD Flopper do? theXsnipexX - 12 years ago - report

Top Voted Answer

• It does a number of things. Firstly your can't harm yourself with explosive weapons, including the raygun. Secondly you have no fall damage meaning you can jump from any height without hurting yourself. Finally if you prone dive off a raised position when you land a small explosion will take place, killing zombies around you. Useful for when you run out of ammo :) NoNamesAvalible - 12 years ago - report 2   0
• It means that you can't harm yourself when you fall from a great height or hit yourself with your own grenades, semtex, scavenger, raygun etc. This perk was in Ascension as well as Call of the Dead. Joshua547 - 12 years ago - report 0   0
• PhD Flopper is a 2000 point perk. You take no fall damage when you dive you will make an explosion. Also you will take no explosive damage, Ray gun, Frag, Semtex, this perk is also on Ascension by the MP5K lander. xPUMAgt1232 - 12 years ago - report 0   0
• It creates a slighty nuke when you dolphin dive from high heights and holding a gernade will activate this Mr_Game_God - 12 years ago - report 0   0
• Basically, you cannot get harmed by anything but traps and zombies and when you dolphin dive you create a small explosion around you. You can even overcook a grenade in your hands and you will not die! kirbyeatsbombs - 12 years ago - report 0   0
• if you fire a ray gun like a foot away from you it will NOT inflict damage on you, if you "dolphin dive off of stairs (run and hold B) it will cause an explosion killing any near by zombies, and i think it prevents damage being inflicted on you. DrBink - 12 years ago - report 0   0

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PhD Flopper

Object » linked to 2 games

A Perk-a-Cola released alongside Stamin-Up in the zombies map pack Ascension. It allows the player to become immune to explosive and falling damage.

Summary short summary describing this thing..

No recent wiki edits to this page.

PhD Flopper is a perk that makes players immune to self-dealt damage. It also makes players immune to fall damage. If the player "dolphin dives" it creates a small explosion damaging and killing (in early rounds) all zombies in a set radius. The perks effectiveness is less on Call of Duty: Black Ops Zombies because the player cannot jump. It costs 2000 points.

PhD) Night-time scene.(PhD) The streets are mean.(PhD) The things I have seen(PhD), the good, the bad, and the in-between. When you dive to prone, you are surely gonna own, PhD (Flopper)! When you dive to prone, it's gonna shake ya to the bone, all the zombies gonna groan, 'cause of PhD! PhD, the feelin's growing strong. PhD, so right that it feels wrong. PhD, like the chorus of a song. PhD, not short but not too long. Slap your body to the floor, everybody needs some more, of your lovin', your explosive lovin'. When you dive to prone, it's gonna shake ya to the bone, all the zombies gonna groan, cause of PhD! (PhD Flopper)! Damn straight.

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How to get PHD Flopper in MW3 Zombies for free – complete its explosions challenge with our 5 methods

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Wondering how to get PHD Flopper in MW3 Zombies ? Right in the first week, Sledgehammer Games asked players to find the elusive perk and get 30 kills with it. 

This can seem confusing to some players so read on for a comprehensive guide that details how to get this item and its special effects. If you want to learn more about all the perks in MW3 Zombies like Jugger-Nog, Deadshot Daquiri, and Stamin-Up, we’ve got you covered. And if you want to play with friends, check if MW3 Zombies supports split-screen .

PHD Flopper in MW3 Zombies by u/Shock_the_Core in CODZombies

Get the PHD Flopper for free in MW3 with our top two methods

The PHD Flopper is a perk that grants immunity to fall damage and a special explosion when the player dives to prone. Diving to prone triggers an explosion that scales with the height of the jump. Want to minimize the time and effort for getting the PHD Flopper explosions? A free perk is a rather tempting proposition, especially since this will allow you to focus on tougher missions and contracts. Read on for our two methods of obtaining this item for free:

• Craft a PHD Flopper with its Schematic for free – Some contracts or mission rewards can offer you the PHD Flopepr Schematic. Exfil with this reward and you’ll be able to create it before your next Zombies playthrough. Just remember that doing so starts a cooldown, ensuring that you can’t spam this ability. 
• Jump into the pool from the Shahin Manor roof to get this perk – This secret location lets you get the PHD Flopper perk for free. Jump into the pool near Mister Peeks and you’ll activate a Reward Rift with this perk.

PHD Flopper’s damage scales with the height of the jump

Diving into prone from tall buildings let you deal even more damage to enemies. Use this against armored zombies and mercenaries.

Find the PHD Flopper in Modern Warfare 3 in three ways

In MW3 Zombies, the PHD Flopper can be found in loot caches, Reward Rifts after contracts, and from vendors scattered across the map. Here’s a clearer explanation of how to get the PHD Flopper in MW3 Zombies:

• Purchase it from a perk machine vendor for 2000 Essence – On the Tac Map, look for a nuclear sign. Hover over it and you’ll be able to check which perk this vendor sells. Find one that sells the PHD Flopper, head over there, and purchase it. Remember to exfil in MW3 Zombies if you want to use this perk later on.
• Find a contract that offers the PHD Flopper as a reward – As you complete contracts in the MW3 Zombies map, you gain powerful rewards. Look out for higher-value contracts for a chance at this perk.
• Get the PHD Flopper perk from a loot cache – The odds of this are pretty rare but some loot caches offer access to perks. Mercenary Caches can be found in Mercenary Stronghold scattered around the map. You can also find caches in Aether Nests. One particularly rewarding activity is destroying the mercenary convoy in MW3 Zombies .

Is the PHD Flopper worth the effort and how to maximise its potential

While it can take a while to acquire this perk, the explosions triggered by diving to prone is a great offensive tool. There’s a trick to making the most of it. Sure, you can just dive to prone wherever you are in earlier threat levels. But later on, zombies gain more health.

In that case, you can still clear large waves of enemy forces just by diving from tall buildings. This is because the damage you trigger is scaled to the height that you jump from. And don’t worry about dying from a steep fall as this perk grants immunity to fall damage. 

That covers the PHD Flopper in MW3 Zombies. Check out our best MW3 loadouts if you want more straightforward paths to success in Call of Duty’s multiplayer lobbies. And if you’re considering an expensive upgrade, check if the MW3 Vault Edition is worth it .

Is the PHD Flopper good in MW3 Zombies?

The PHD Flopper’s explosions are a good situational tool.

Can you purchase any perk from a vendor in MW3 Zombies?

No, a vendor will only offer one perk picked at random.

MWZ PhD Flopper Has Hidden Ability You May Not Know About

PhD Flopper is an iconic Call of Duty Zombies perk that protects you from splash damage and lets you create an explosion when you dolphin dive, but in MWZ, it has a new secret ability.

Previously, gamers had discovered that PhD Flopper would protect you from the gas that rolls in after the 45-minute timer and the area that contains the Stormcaller boss. However, this was just a bug and no longer works.

Now, another feature of this perk has been found, but whether it is an intentional benefit is not known. So, let’s dive into this hidden ability and how it can help you in the game!

PhD Flopper Has Hidden Ability In MWZ

P h D Flopper in MWZ will let you stay underwater for an infinite amount of time. With this perk active, even when the oxygen levels deplete to zero, you will not lose health.

However, you will still have the visual effects of drowning underwater , which include obscured vision and a red flash appearing on your screen .

This feature can be beneficial in the Tier 3 zone if you can get a Mega Abomination to launch towards you into the water. Here, this MWZ boss will become stationary and easier to kill.

You can view an example of this MWZ PhD Flopper feature in the video below, noting that we did not take damage when testing it:

It is unknown whether this is an intended feature or a bug similar to the gas protection it previously gave.

It is worth noting that being able to breathe infinitely underwater while this perk is active is not part of its description in the menus.

However, content creator Glitching Queen did point out that the Easter Egg to get a free PhD Flopper involves water. This could be a nod towards the secret ability.

We must wait and see if the developers patch this infinite breathing underwater feature. If it does not, it can be safe to assume this is an actual ability of the perk.

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• Call of Duty: Black Ops Cold War

PhD Slider Zombies Perk: Everything You Need To Know

Slide into the undead!

Published: 06 Oct 2021 11:06 AM +00:00 Updated: 07 Oct 2021 1:09 PM +00:00

Season 6 of Black Ops Cold War is finally here, much to the excitement of the Zombies community that will be getting to grips with the brand-new Forsaken map , the fourth and final chapter of the Dark Aether storyline. As the battle between Requiem and Omega reaches its conclusion, Forsaken will contain a brand-new Easter Egg quest along with the return of a Perk long-time fans will be extremely familiar with.

An iteration of PhD Flopper is making its return in Season 6. Known as PhD Slider, the Perk enables players to slide into undead opposition to deal a bit of additional damage. Here's everything you need to know about PhD Slider, including all five Skill Tiers available to upgrade.

Table of Contents

Phd slider zombies perk skill tiers, phd slider perk location, phd slider perk cost, is phd slider worth getting.

Read More : Forsaken Cold War Zombies Map: Everything You Need To Know

As with every Perk in Cold War Zombies, there are a total of five upgradable Skill Tiers that provide a range of additional benefits when the Perk has been purchased. Here are the Skill Tiers available for PhD Slider:

• Skill Tier 1 - Immunity to environmental damage when sliding.
• Skill Tier 2 - Increased slide duration.
• Skill Tier 3 - Immunity to self-inflicted explosive damage.
• Skill Tier 4 - Increased slide speed.
• Skill Tier 5 - Falling from a large height will trigger an explosion, the size and damage will increase the higher you fall.

PhD Slider can be found at the very top of the map inside the Observation Tower. It's worth noting that you will take damage due to Aetherium Crystal radiation so be sure to grab it quickly before it's too late.

Perks in Zombies cost a few thousand Essence to purchase and considering the huge number of benefits they provide, they're one of the main items that players must buy in order to make it into the higher rounds. The cost of Perks increases by 500 Essence depending on how many you already have, meaning you could get your hands on PhD Slider for as little as 2500 Essence.

Considering Tier 3 of PhD Slider grants immunity to any explosive damage that you deal, it makes a lot of sense to purchase this Perk in order to escape any sticky situations that you may find yourself in. Stuck in a corner with no way out? Throw grenades at the floor to clear Zombies out of the way and live to fight for another round!

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How to Get PHD Flopper Explosions Perk

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List of Contents

How to Get Free PHD Flopper Perk

• How to Get PHD Flopper Explosions

How to Use PHD Flopper

• Related Guides

Free Perk Located in Shahin Manor

Check out our interactive map above to see the location of the PHD Flopper Perk in the Zombies map.

Urzikstan: Zombies Interactive Map

Jump Into Pool From Manor Roof

Get up onto the roof of Shahin Manor, then jump into the pool close to where Mister Peeks is to receive the reward rift that contains the free PHD Flopper Perk.

How to Get Free Perks in Zombies

Use the PHD Flopper Perk Machine

The PHD Flopper is purchasable from the PHD Flopper Perk Machine for 2,000 Essence . These Perk Machines are marked by icons on the Tac Map. However, their locations vary, as they are randomly chosen from a pool of Perk Machine spots in each match.

All Perk Machine Locations

Crafting Schematics

You can craft a PHD Flopper Can if you have its crafting schematics. Go to your loadout menu and hover to your backpack and select Add Item, then go to Schematic Crafting to find the PHD Flopper Can under Perk-a-Colas.

Do note that there is a cooldown upon crafting, however the upside for this is that they are free to craft and have no additional cost .

How to Get All Crafting Schematics

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Find Them In Loot Caches

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Prone to Trigger an Explosion

Fall Damage Immunity

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• 1.1 Call of Duty: Black Ops 4
• 1.2 Call of Duty: Black Ops Cold War
• 3.1 Call of Duty: Black Ops Cold War
• 4 Achievements/Trophies
• 5.1 Call of Duty: Black Ops 4
• 5.2 Call of Duty: Black Ops Cold War

Overview [ ]

Call of duty: black ops 4 [ ].

PhD Slider, when purchased, allows players to create an explosion that can kill zombies by sliding into them, as well as reduce explosive damage the player receives. In order to create an explosion, the player must first charge up the perk, which can be achieved by sliding. Once a charge is ready, the perk icon will begin to pulsate and flash. When the perk is initially purchased, the player will already have a full charge ready.

When PhD Slider is set as the "Modifier" perk and the player has all of their other perks, the perk will allow the player to have increased sliding distance, as well as having immunity to trap damage whilst sliding. Players will also gain increased explosive damage on enemies when entering a slide from a greater height.

In Create-A-Class , PhD Slider is unlocked at Level 42 as the last unlockable Perk, and can be applied to the player's Perk loadout to appear in any map. It can also be obtained randomly through the use of Secret Sauce if available and through a myriad of other Perk-based rewards and items within the game.

On January 15th, 2019 with Patch 1.11, PhD Slider was buffed, allowing players to take zero self-inflicted explosive damage. However, the damage reduction for enemy explosive attacks has been reduced from 80% to 50%.

Call of Duty: Black Ops Cold War [ ]

PhD Slider was released with the Season Six content update for Call of Duty: Black Ops Cold War on October 7th, 2021. It is available in Der Wunderfizz on all maps, and is featured within its own perk machine on Forsaken , which reimagines the original PhD Flopper's perk machine.

PhD Slider allows the player to generate an explosive burst of Aetherium energy upon sliding into a zombie. Unlike its Black Ops 4 iteration, it does not require players to charge it up. Instead, the size and damage of the explosion are dependent on the distance the player slid before impacting a target. Additionally, in order to have immunity from self-inflicted explosive damage, the perk must be upgraded to Tier III.

In Call of Duty: Black Ops Cold War , PhD Slider can be permanently upgraded with the use of Aetherium Crystals , yielding a variety of new additional bonus effects alongside its base ability.

• Tier I - Immunity to environmental damage while sliding.
• Tier II - Increased slide duration.
• Tier III - Immunity to self-inflicted explosive damage.
• Tier IV - Increased slide speed.
• Tier V - Falling from a large height will trigger an explosion. The size and damage increase the higher you fall.

Locations [ ]

• Die Maschine - Can be purchased from Der Wunderfizz. It can also be obtained as a Legendary reward from the Trials system.
• Zombies Onslaught - Can be randomly acquired from a Random Perk power-up, as well as dropped from elites.
• Firebase Z - Can be purchased from Der Wunderfizz. It can also be obtained as a Legendary reward from the Trials system.
• Outbreak - Can be purchased from Der Wunderfizz or randomly acquired from a Random Perk power-up. It can also be obtained as a Legendary reward from the Trials system.
• Mauer der Toten - Can be purchased from Der Wunderfizz, obtained as a Legendary reward from the Trials system, and randomly rewarded from the Nightclub easter egg.
• Forsaken - In the Observation Tower, to the left of the zipline leading down to the Burger Town Rooftop. It can also be purchased from Der Wunderfizz and obtained as a Legendary reward from the Trials system.

Achievements/Trophies [ ]

Gallery [ ]

• Despite going by a different name, PhD Slider re-uses the original PhD Flopper jingle, which erroneously mentions the latter's name and diving to prone in spite of PhD Slider's sliding mechanic.
• According to the nutrition facts on the PhD Slider can, one can of PhD Slider contains: 238.02 calories, 70g of total fat, 1800g of sodium, 90g of total carb, 70g of sugars, and 30g of protein.
• According to the ingredients list on the PhD Slider can, PhD Slider contains the following: castor oil , nitroglycerin , powdered graphite , blasting cap extract, and distilled banana peel .
• At some point, PhD Slider was going to have its Black Ops 4 logo in Black Ops Cold War before being changed to resemble the original PhD Flopper logo. Files still remain of a ping icon for PhD Slider bearing the original logo.
• It is possible to get the points for both meleeing and sliding into a zombie while only killing one zombie provided the player times it correctly and has a strong enough melee weapon.
• None of the operators make a call out for PhD Slider in Black Ops Cold War .

• Call of Duty
• 1 Call of Duty (series)
• 2 Simon "Ghost" Riley