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Template:Doom 3 also in The cyberdemon stomps toward the player in Hell Revealed MAP26: Afterlife.

The cyberdemon is perhaps the most formidable enemy in classic Doom. This monster first appears as a boss at the end of Doom level E2M8, and re-appears in the secret level E3M9, and also on E4M2, E4M6, and E4M7. The cyberdemon also appears on the retail box cover of Doom II, and is used sparingly throughout that game.

The Doom II manual of the PC version describes the monster in the following way: A missile-launching skyscraper with goat legs. 'Nuff said. The Doom manual, on the other hand, does not list it, presumably to make its climactic appearance in E2M8 a surprise. The PlayStation and SNES manual for Doom does however make mention of the cyberdemon: Half unfeeling machine, half raging horned devil. This walking nightmare has a rocket launcher for an arm and will definitely reach out and touch you. Make sure you're loaded for bear before you get to this guy.


Combat characteristics

A cyberdemon will let out a loud animalistic, bovine-like roar when it spots a player - loud enough to be heard no matter how far away it is from the player. It attacks by firing barrages of three rockets. It has 4000 hit points and does not receive splash damage from explosions, making it fairly difficult to kill. It is also the fastest moving monster in the original game (the lost soul's charge attack not withstanding), and second fastest in Doom II (after the arch-vile). When destroyed, the cyberdemon's body will instantly dissolve into voluminous reddish clouds of flesh, blood and gore, leaving only his blood-soaked hooves; as he explodes, he lets out a short roar that is abruptly interrupted by the sound of his body exploding.

The cyberdemon's rockets are the same as the player's rockets; however as all projectiles shot by monsters, they do not damage other monsters of the same type. Furthermore, the cyberdemon and the spiderdemon take only direct hit damage, and are immune to all blast damage. Therefore, a greater number of rockets is required to kill these bosses than might be expected, and they must be direct hits. The cyberdemon is given a higher probability of performing his attack than other monsters, causing him to launch volleys of rockets at a high frequency. While the cyberdemon does not have a melee attack in the PC and Doom 64 games, one unintentional one exists in the Super NES port; if the player is too close to one, its attack consists of the rocket firing animation but a "scratching" sound is heard with no rocket fired at all. In common with other monsters, although the cyberdemon is shown with his rocket launcher in his left hand, the rockets emerge from his middle.

Tactical analysis

General tactics

Killing a cyberdemon is almost impossible without a large amount of ammunition. The BFG9000 is the most effective weapon against a cyberdemon, although the plasma gun can work fairly well. Three to four direct BFG hits will usually kill a cyberdemon, and at point-blank range two well-placed shots are enough. If a BFG9000 is not available, the rocket launcher is also effective - but be prepared for a long fight, since around 45 well-placed hits with the rocket launcher is required to kill a cyberdemon. Killing a cyberdemon with other weapons is significantly more difficult: for example it takes around 400 bullets from a chaingun. It is extremely difficult to kill a cyberdemon with melee attacks and it takes roughly 400 chainsaw or non-berserk fist hits to do so, but given their extreme powers and low pain chances, it is strongly not recommended under most circumstances. Almost certainly because of the difficulty involved, the Xbox Live Arcade release of Doom II features an Achievement that requires the player to kill a cyberdemon with their bare hands, named "You Have Huge Guts", after the Doom comic.

Because a cyberdemon has a low pain chance, it is difficult to prevent it from attacking. It is also important to be constantly aware of when it fires a rocket, as it will do so relentlessly. Circlestrafing can be used to avoid return fire while attacking. Because one rocket will often be enough to critically injure the player, it is imperative that all rockets are avoided. Because of splash damage, it is also important to stay away from the explosions. For example, it is advisable to avoid standing too close to a wall when fighting a cyberdemon, as splash damage can be sustained from rockets hitting the wall.

A skilled (and/or extremely lucky) player can somewhat nullify the cyberdemon's low pain chance by straferunning towards it to get within point blank range, and then hitting it with the super shotgun. The monster will flinch roughly eighty percent of the time when hit by the full twenty-pellet blast, giving the player time to retreat, reload, and repeat the process. This can take the cyberdemon down in fewer than 25 shots, but is very risky, and only recommended in areas where the rocket launcher is impractical, or to conserve rocket and plasma/BFG ammunition.

The cyberdemon's immense size can sometimes be used as an advantage when attacking it. In some maps, the cyberdemon(s) are in a large courtyard or structure and the entrance is too small for them to pass through. This can help a novice player to escape if major injuries are sustained.

Due to its firepower and hitpoints which are by far the highest among demons, the cyberdemon easily dominates in monster infighting battles. Because of this, luring it into fighting another monster is a great way to save ammunition. However, there is a chance of them losing if fighting against the spiderdemon (often happens in MAP20: Gotcha!) and a large group of very strong demons like the baron of Hell (MAP08: Tricks and Traps). Damage done by a full rocket volley

Appearance statistics

In classic Doom, the cyberdemon is first encountered on these maps:

The IWADs contain the following numbers of cyberdemons:


Doom 64 Doom 64's cyberdemon in Cat and Mouse

The cyberdemons in Doom 64 have not gone through many changes except that they have darker colored skin, are slightly stronger and much larger. The Doom 64 version of the cyberdemon is notable for having the ability to lead its shots, making it an even more formidable opponent; the cyberdemon's third rocket is usually fired at the player's anticipated position rather than the player's current position. The rockets also leave smoke trails and fly out much faster. The cyberdemons' rockets in this game emerge from the launcher itself instead of the middle. While they have the same death sequence animation as their PC counterpart, for the most part (full-body explosion), it's more elaborate in Doom 64, involving its form stricken with several separate explosions before the body essentially evaporates in a haze of fiery blood, replete with a shot of its skeletal frame vanishing with it.

Doom RPG

In Doom RPG, the cyberdemon was created by evil mastermind Kronos by combining human technology with demon flesh.

Wolfenstein RPG

The cyberdemon was originally known as the Harbinger of Doom. During World War II, he was summoned at Castle Wolfenstein by the Axis army. B.J. Blazkowicz was able to defeat it with the Spear of Destiny, destroying its right leg and left arm. The Harbinger of Doom vowed that it would have a rematch with Blazkowicz's descendent in the future. The rematch happened in Doom II RPG.

Non-Doom games

Main article: Doom references in other games





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