Editing Doom 64

[[Image:Doom_64-box-cover.jpg|thumb|240px|right|Doom 64 [[cover art|box cover]].]]
'''Doom 64''', released [[Timeline#1997|April 4, 1997]] for the [[Wikipedia:Nintendo 64|Nintendo 64]], is a sequel to [[Doom II]]. The game has all new graphics and runs on a modified [[Doom engine]], based on the [[Sony PlayStation]] port. Doom 64 was released by [[Midway Games|Midway]], in cooperation with [[id Software]]. [[GT Interactive Software]] distributed the European PAL version of the game, which was released on December 2, 1997.

The plot focuses on events following the original games in the series. An evil entity known as the [[Mother Demon]] has survived and brought back the decaying dead creatures [[Doom's protagonist#Doom 64|the player]] once killed. It is up to him, the lone space marine, to stop the legions once again.

A [[Nintendo Switch]] port (originally intended to ship alongside [[Doom Eternal]] on {{timeline|2019|November 22, 2019}}) was announced on September 4, 2019.<ref name="pcgamer">{{cite web text|author=Chalk, Andy|title=Doom 64 is coming to the Switch, Bethesda hints at other versions coming|url=https://www.pcgamer.com/doom-64-is-coming-to-the-switch-bethesda-hints-at-other-versions-coming/|publication=PC Gamer|publishdate=4 September 2019|accessdate=5 September 2019}}</ref> This was later announced on October 8 as having been delayed until {{timeline|2020|March 20, 2020}}, along with Doom Eternal, and was added to that game's pre-order bonuses.<ref name="etdelay">{{cite web text|author=id Software|title=DOOM Eternal Delayed|url=https://www.bluesnews.com/s/204474/doom-eternal-delayed|publication=Blue's News|publishdate=8 October 2019|accessdate=8 October 2019}}</ref> In addition, it was announced that the port would be released for PC, [[Microsoft]] [[Xbox One]], and [[Sony]] [[PlayStation 4]] at that time. [[Google]] announced on March 20, 2020 that Doom 64 would launch on the {{wp|Google Stadia|Stadia}} game streaming platform at a later Spring date. The Stadia release occurred on May 12.{{cite web|author=Bradshaw, Kyle|title=Doom 64 coming to Google Stadia, free to buyers of Doom Eternal|url=https://9to5google.com/2020/03/20/doom-64-google-stadia-free/|publication=9TO5Google|publishdate=20 March 2020|accessdate=12 May 2020}}

Additionally, a faithful fan-made engine port exists in the form of [[Doom64 EX]].

==Story==
[[Image:D64StagingArea1.jpg|thumb|240px|Start Point of [[MAP01: Staging Area (Doom 64)|MAP01: Staging Area]].]]
Quoted from the Doom 64 manual:
<div style="font-style: italic; margin-left: 2em; margin-right: 260px;">
Your fatigue was enormous, the price for encountering pure evil. Hell was a place no mortal was meant to experience. Stupid military doctors: their tests and treatments, were of little help. In the end, what did it matter - it was all classified and sealed. The nightmares continued. Demons, so many Demons; relentless, pouring through.

Far Away...

The planetary policy was clear. An absolute quarantine was guaranteed by apocalyptic levels of radiation. The empty dark corridors stand motionless, abandoned. The installations sealed.

The Present...

A long forgotten relay satellite barely executing, decayed by years of bombarding neutrons, activates and sends its final message to Earth. The satellites message was horrific, from the planetary void there came energy signatures unlike anything sampled before.

The classified archives are opened. The military episodes code named "DOOM" were not actually completed. A single entity with vast rejuvenation powers, masked by the extreme radiation levels, escaped detection. In its crippled state, it systematically altered decaying dead carnage back into
corrupted living tissue.

The mutations are devastating. The Demons have returned even stronger and more vicious than before. As the only experienced survivor of the DOOM episode, your commission is re-activated. Your assignment is clear: MERCILESS EXTERMINATION.</div>

== Gameplay developments ==
Changes were carried across from the [[Atari Jaguar]] and PlayStation ports of the [[Doom engine]], along with additional tweaks made specifically for Doom 64, and many gameplay elements were altered. Doom's core gameplay, however remained the same: the exploration of demon-infested corridors, looking for key cards, switches and ultimately the map's exit while surviving deadly traps and ambushes.

Key differences from the computer games in the series include:
* 32 exclusive new levels. Later 7 more are added in the 2020 re-released ports of the game.
* New, larger [[sprite|sprites]] for all enemies, items, weapons and projectiles, created from high-poly rendered models.
* Three-sample {{wp|bilinear filtering}} applied to textures and sprites courtesy of the Nintendo 64's hardware.
* All-new textures, scrolling skies, limited room-over-room architecture, and more advanced line triggers.
* More advanced atmospheric [[colored lighting]] and effects, such as parallaxing skies, fog and lightning.
* A new dark ambient [[Doom 64 music|soundtrack]] composed by [[Aubrey Hodges]].
* High-quality sound effects (the same as used in the PlayStation version).
* No [[status bar]]. Instead, only the numbers for health, armor and ammo are shown on the [[HUD]], and even these can be turned off.
* Scripted events through [[macro]]s, similar to [[Hexen]]'s [[ACS]]. Uses include sequences which dramatically transform areas, tripwire booby traps such as darts and homing fireball launchers, enemies that appear out of thin air, and (to some extent) disappearing enemy corpses.
* [[Camera]] effects.
* Dramatic usage of dark light levels, ambient music, and Satanic imagery ({{wp|pentagram}}s, inverted {{wp|Christian cross|crosses}}, and gory depictions of human sacrifice) to create an atmosphere which invokes a sense of horror.
* No [[commando]]s, [[arch-vile]]s, [[spiderdemon]]s or [[revenant]]s (cut due to the limited storage capacity of Nintendo 64 cartridges). Leftover sounds from the revenant remain in the game files.
* A new demonic laser weapon, called by fans "the [[Unmaker]]", which can increase in power throughout the game by collecting all three Demon Keys.
* The [[nightmare imp]] and [[Mother Demon]] are introduced as new monsters.
* The [[super shotgun]] reloads much faster, with nearly the same speed as the regular shotgun. This makes it one of the most essential weapons in the game.
* Like the Playstation and Saturn ports, the [[Hell knight]] and [[baron of Hell]] can hurt each other with their projectiles, and [[infight]] as a result, unlike the PC version where there is a hard-coded exception for them.
* Certain monsters are re-balanced with new behaviors or attack properties. For example, [[imp]]s (and consequently nightmare imps) now have their fireball and clawing attacks separated, [[arachnotron]]s have a weaker twin [[plasma gun]] instead of a stronger single-barrel one; [[lost soul]]s are weaker with less health, but attack viciously, making them one of the most dangerous enemies; [[pain elemental]]s spawn two souls at a time when attacking, and the souls will cause massive splash damage to anything in the vicinity if they are blocked from spawning.
* Recoil effects when firing stronger weapons, such as being knocked back a few inches from firing a rocket launcher or a super shotgun.
* When the player dies, a randomized number of messages will appear a few seconds later. These messages are as follows:
** "Hahahaha!"
** "You shouldn't have done that."
** "Try an easier level..."
** "Wow! Look at those demon feet."
** "I play Doom and I can't get up."
** "Ouch! That had to hurt."
** "Look at me! I'm flat!"
** "Thanks for playing!"
** "You lazy @&$#!"
** "Have you had enough?"
** "The demons gave you the boot!"
** "The lead demon vanquished you!"

== Weapons ==
All weapons from Doom II are present (albeit redrawn), along with a new weapon known as the [[Unmaker]] or the ''LaserGun'' (referenced in-game as "What the !@#%* is this!"). It was first mentioned in the [[Doom Bible]] and was planned to be featured in the computer Doom games but never appeared. Its appearance in ''Doom 64'' is its only official appearance (although a similar weapon in name and usage, the [[Unmaykr]], appears in [[Doom Eternal]]), and with the power of three ancient artifacts (known as "[[Demon Key]]s") found in the game, it becomes more powerful by additional beams with each key found.

{{spoiler}}
The Demon Keys are also a means to clear [[MAP28: The Absolution (Doom 64)|MAP28: The Absolution]] quicker: Each teleporter in the map has a symbol representing each key behind them and if the player has the right key, the corresponding teleporter is disabled.
{{Endspoiler}}

== Levels ==
Doom 64 initially featured 32 original levels:
{{col-begin|width=auto}}
{{col-break|width=50%}}
*[[MAP01: Staging Area (Doom 64)|MAP01: Staging Area]]
**[[MAP32: Hectic (Doom 64)|MAP32: Hectic]] <small>(secret level)</small>
*[[MAP02: The Terraformer (Doom 64)|MAP02: The Terraformer]]
*[[MAP03: Main Engineering (Doom 64)|MAP03: Main Engineering]]
*[[MAP04: Holding Area (Doom 64)|MAP04: Holding Area]]
**[[MAP29: Outpost Omega (Doom 64)|MAP29: Outpost Omega]] <small>(secret level)</small>
*[[MAP05: Tech Center (Doom 64)|MAP05: Tech Center]]
*[[MAP06: Alpha Quadrant (Doom 64)|MAP06: Alpha Quadrant]]
*[[MAP07: Research Lab (Doom 64)|MAP07: Research Lab]]
*[[MAP08: Final Outpost (Doom 64)|MAP08: Final Outpost]]
*[[MAP09: Even Simpler (Doom 64)|MAP09: Even Simpler]]
*[[MAP10: The Bleeding (Doom 64)|MAP10: The Bleeding]]
*[[MAP11: Terror Core (Doom 64)|MAP11: Terror Core]]
*[[MAP12: Altar Of Pain (Doom 64)|MAP12: Altar Of Pain]]
**[[MAP30: The Lair (Doom 64)|MAP30: The Lair]] <small>(secret level)</small>
*[[MAP13: Dark Citadel (Doom 64)|MAP13: Dark Citadel]]
*[[MAP14: Eye Of The Storm (Doom 64)|MAP14: Eye Of The Storm]]
{{col-break|gap=5em}}
*[[MAP15: Dark Entries (Doom 64)|MAP15: Dark Entries]]
*[[MAP16: Blood Keep (Doom 64)|MAP16: Blood Keep]]
*[[MAP17: Watch Your Step (Doom 64)|MAP17: Watch Your Step]]
*[[MAP18: Spawned Fear (Doom 64)|MAP18: Spawned Fear]]
**[[MAP31: In The Void (Doom 64)|MAP31: In The Void]] <small>(secret level)</small>
*[[MAP19: The Spiral (Doom 64)|MAP19: The Spiral]]
*[[MAP20: Breakdown (Doom 64)|MAP20: Breakdown]]
*[[MAP21: Pitfalls (Doom 64)|MAP21: Pitfalls]]
*[[MAP22: Burnt Offerings (Doom 64)|MAP22: Burnt Offerings]]
*[[MAP23: Unholy Temple (Doom 64)|MAP23: Unholy Temple]]
*[[MAP24: No Escape (Doom 64)|MAP24: No Escape]]
*[[MAP28: The Absolution (Doom 64)|MAP28: The Absolution]]
Fun levels:
*[[MAP25: Cat And Mouse (Doom 64)|MAP25: Cat And Mouse]]
*[[MAP26: Hardcore (Doom 64)|MAP26: Hardcore]]
*[[MAP27: Playground (Doom 64)|MAP27: Playground]]
{{col-end}}
One additional special map, [[MAP33: Title (Doom 64)|MAP33: Title]], is used in the introductory cinematic and is not accessible for normal play.

===The Lost Levels===
{{Main|The Lost Levels}}
The 2020 re-release adds a new episode, [[The Lost Levels]], adding six more levels which tell a part of the backstory of the [[Doom's protagonist|Doom marine]] between this game and the [[Timeline|2016]] [[Doom (2016)|Doom]], plus one additional new "Fun" level disconnected from the campaign:
*[[MAP34: Plant Ops (Doom 64)|MAP34: Plant Ops]]
*[[MAP35: Evil Sacrifice (Doom 64)|MAP35: Evil Sacrifice]]
*[[MAP36: Cold Grounds (Doom 64)|MAP36: Cold Grounds]]
*[[MAP37: Wretched Vats (Doom 64)|MAP37: Wretched Vats]]
*[[MAP38: Thy Glory (Doom 64)|MAP38: Thy Glory]]
*[[MAP39: Final Judgement (Doom 64)|MAP39: Final Judgement]]
Fun level:
*[[MAP40: Panic (Doom 64)|MAP40: Panic]]

===Built-in demos===
The game features three [[Demo#Built-in demos|built-in demos]], and a secret fourth demo that can be unlocked via a [[List of Doom 64 passwords#Special password|special password]]. The demo levels are:

{| {{prettytable}}
! Demo
! Level
! [[Skill level#Doom 64 skill levels|Skill]]
! [[Tic#Doom 64|Tics]]
! Length
|-
| DEMO1LMP
| {{maplinkgen|MAP03|Main Engineering|Doom 64}}
| 3
| 2005
| 1:06.83
|-
| DEMO2LMP
| {{maplinkgen|MAP09|Even Simpler|Doom 64}}
| 3
| 1266
| 0:42.20
|-
| DEMO3LMP
| {{maplinkgen|MAP17|Watch Your Step|Doom 64}}
| 3
| 2090
| 1:09.67
|-
| DEMO4LMP
| {{maplinkgen|MAP32|Hectic|Doom 64}}
| 3
| 3155
| 1:45.17
|}

==Enemies==
[[File:Poster_doom64.jpg|thumb|right|Promotional poster from {{wp|Nintendo Power}} showing the new 3D monster models.]]
{{Main|Doom 64 monsters}}
Doom 64 includes the following monsters from [[Doom]] and [[Doom II]]:
* [[Arachnotron]]
* [[Baron of Hell]]
* [[Cacodemon]]
* [[Cyberdemon]]
* [[Demon]]
* [[Hell knight]]
* [[Imp]]
* [[Lost soul]]
* [[Mancubus]]
* [[Pain elemental]]
* [[Shotgun guy]]
* [[Spectre]]
* [[Zombieman]]
Doom 64 also has new monsters, which are:
* [[Mother Demon]]
* [[Nightmare imp]]
* [[Marine (Doom 64)|Marine bots]], which only appear in the [[MAP33: Title (Doom 64)|title map]].

==Development==
Doom 64 was developed with close cooperation between Midway Games and id Software, with the latter studio providing some creative oversight and technical assistance. Programmer [[Aaron Seeler]] in particular worked closely with [[John Carmack]] on the game's 3D rendering engine. 

Due to the heavy changes made to the map format in order to support colored lighting and macro scripting, Seeler created an entirely new editor program for the project called [[DEX]].

[[Gregor Punchatz]] was brought back in from his work on Doom and Doom II in order to create physical reference [[models]] for the game's [[sprite]]s, which were then used by Midway's team to create three-dimensional computer models. These computer models were then rendered in the eight rotations for each of their poses as with the other games' sprites, then down-sampled and manually cleaned up. Punchatz-created models are known to exist for the [[cyberdemon]] (though for an earlier version which went unused), [[demon]], the [[player]], and the [[zombieman]] and [[sergeant]]. Several models went unused, including one for a hellhound enemy and another that resembles a female figure (sometimes thought to be an [[arch-vile]] concept).

== Other versions ==
===Regional variants===
[[File:Doom64-BloodJP.png|thumb|right|Green blood in the Japanese version is the most significant change to localized versions.]]
Doom 64 was released in Europe for {{wp|PAL}} consoles and in [[Doom in Japan|Japan]]. Both of the localized versions alter the default brightness setting of the game to the middle of its range rather than the North American release's default, which was the lowest setting. This was likely due to recognition that the game's lighting was too dark out of the box on most television sets (this continues to pose a problem for streaming events such as {{wp|Games Done Quick}}, where even the brightest available setting still requires significant gamma correction).

The Japanese version is additionally censored, with blood splatter having been made green, as was the case with many [[Nintendo 64]] titles such as the [[Hexen (Nintendo 64)|Hexen port]] and ''{{wp|Turok: Dinosaur Hunter}}''. Unlike the [[Game Boy Advance]] ports, however, blood remains red on monster death sprites and gib objects.<ref>[[tcrf:Doom 64|Doom 64]] at [[tcrf:The Cutting Room Floor|The Cutting Room Floor]]</ref> This is most likely due to concerns regarding violence in media such as video games following the {{wp|Kobe child murders}}.

===2020 re-release===
{{Main|Doom 64 (2020 version)}}
After remaining exclusive to the Nintendo 64 for 22 years, Doom 64 was officially re-released on PC, Microsoft Xbox One, Sony PlayStation 4, and [[Nintendo Switch]] on March 20, 2020, coinciding with the release of [[Doom Eternal]].<ref name="etdelay"/> The game was developed in cooperation with [[Nightdive Studios]], and uses a new version of the [[Doom64 EX]] codebase, re-developed using the studio's [[KEX 3]] engine.{{cite web|author=[[Stephen Kick|Kick, Stephen]]|title=The KEX Engine has gone to Hell 🤘|url=https://twitter.com/pripyatbeast/status/1186671452017197057|publication=Twitter|publishdate=22 October 2019|accessdate=22 October 2019}}

===Unofficial ports===
[[Samuel "Kaiser" Villarreal]], the lead developer of the [[Doom 64: Absolution|Absolution]] [[total conversion]], created [[Doom64 EX]], an actual [[source port]] for the original game data as extracted from the ROM, based on reverse engineering of the program's code. It aims to be a 100% accurate recreation, while offering extensions such as [[widescreen]] high-resolution graphics, gamma correction, [[mouse look]], and other more minor improvements. This effort has continued with the [[Doom64EX-Plus]] fork, which supports the [[DOOM64.WAD]] from the 2020 re-release.

===Mods===
* A group of Doom 64 fans led by Samuel Villarreal decided to work to convert the game's exclusive content to the computer using the [[Doomsday]] engine. This stand-alone mod, built on the 1.7.14 release of Doomsday, titled [[Doom 64: Absolution]], was released in 2003. It includes faithful albeit limited recreations of the original Doom 64 levels and monsters along with several unique new maps. It appealed to many fans as a way to play through the game on a computer without using [[Wikipedia:Emulation|emulation]].
* [http://www.moddb.com/mods/doom-64-retribution/ Doom 64: Retribution] recreates Doom 64 as mod for [[GZDoom]]. It is not intended to be a 100% faithful re-implementation. It works within the confines of the GZDoom engine and updates several graphics. In addition to the original levels it contains new episodes made up of levels from Doom 64 Absolution.
* [https://www.moddb.com/mods/doom-ce Doom CE] builds upon Retribution and adds gradient lighting and additional maps to it, as well as further enhancements such as AI upscaled graphics and PBR textures.
* [[Brutal Doom 64]] is similar to ''Retribution'' but diverges even more from the original. It features updates to the maps themselves, added graphical effects, more aggressive enemy behaviour, and additional weapons and monsters.
* [[Doom 64 for Doom II]] is a vanilla-compatible recreation using mainly vanilla Doom II assets. Unlike the original game, the "fun levels" have been integrated into the game's progression.

==Physical media==
The Doom 64 {{wp|ROM cartridge}} for {{wp|NTSC}} and {{wp|PAL}} regions consists of a standard gray Nintendo 64 cartridge with a black label emblazoned with the game's logo at the top. The NTSC and PAL carts differ in the logos and ratings included below. The Japanese version has a gray stone texture and a much larger logo, with the text "ドゥーム 64" beneath. Distributor GameBank's logo is at the bottom in a black bar.

<gallery mode="nolines" widths="250px" heights="170px">
D64CartNTSC.jpg|NTSC region cart
Doom-64-PAL.JPG|PAL region cart
Doom_64_Cart_Japanese.jpg|Japanese region cart
</gallery>

== Trivia ==
[[File:Doom64BetaPyramid.jpg|thumb|right|A [[Mesoamerican map|Mesoamerican]] step pyramid which is not found in the final game appears in this beta screenshot.]]
* The name of the final level, "''The Absolution''," was originally the working title for the Doom 64 project during its prototype phase. According to programmer [[Aaron Seeler]], the game started out as a much more ambitious project which was meant to deviate significantly from the vanilla Doom formula. The final game inherits many of its texture themes, with hints of Egyptian, Mayan, and Aztec styles, from this early prototype development phase. These were originally intended to represent various Earthly cultures' concepts of [[Hell]], inside which the game would be entirely based.{{cite web|author=FirebrandX|publishdate=29 October 2002|url=http://elbryan42.proboards.com/thread/257|title=I talked to Aaron Seeler!!|publication=Doom Depot/Castlevania Treasury Forums|retrievedate=13 June 2015}} 
* The title of ''Absolution'' was to again be recycled for the short-lived sequel project, [[Doom Absolution]], which was canceled.
* Many early magazine review screenshots display a much more conservative use of colored lighting, with the feature being used more often to simply create contrast and shadowing, or to highlight important objects. This is in contrast to the final release, which applies some type of palette, even if subtle, to virtually every surface and space in the game.
* Most likely due to the technical limitations that came with the advancement of subsequent Doom titles (so far including [[Doom 3]], [[Doom (2016)]], and [[Doom Eternal]]; not including any spinoffs or ports), Doom 64 is the last mainline Doom game to have demons leave behind lasting corpses after being killed, with the exception of scripted events in certain levels.

== See also ==
* [[Doom 64 music]]
* [[DOOM64.WAD]]

== External links ==
* [https://www.mobygames.com/game/5195/doom-64/ Doom 64] at {{wp|MobyGames}}
* {{archived link|https://www.gamespot.com/features/vgs/n64/doom64/|Doom 64 Recon Guide|https://web.archive.org/web/20111103050828/https://www.gamespot.com/features/vgs/n64/doom64/|archive.org}}
* [http://www.classicdoom.com/ Doom 64 gameplay resources and information at ClassicDOOM.com]
* {{archived link|http://doomdepot.doom2.net/abs-d64interview.html|Interview with the Doom 64 level designers|http://web.archive.org/web/20100320212246/http://doomdepot.doom2.net/abs-d64interview.html|archive.org}}
* {{archived link|http://www.gamescares.com/main/index.php?option{{=}}com_content&view{{=}}article&id{{=}}445:aubrey-hodges-interview&catid{{=}}23:interviews&Itemid{{=}}29|Aubrey Hodges interview|https://web.archive.org/web/20140223000702/http://www.gamescares.com/main/index.php?option{{=}}com_content&view{{=}}article&id{{=}}445:aubrey-hodges-interview&catid{{=}}23:interviews&Itemid{{=}}29|archive.org}}
* {{archived link|http://www.doom2.net/~doomdepot/abs-download.html|The official website of "Doom 64: Absolution" PC download|https://web.archive.org/web/20140227114232/http://www.doom2.net/~doomdepot/abs-download.html|archive.org}}
* [https://doomworld.com/pageofdoom/doom64.html The Page of Doom: Doom 64]
* [https://gamefaqs.gamespot.com/n64/197141-doom-64/faqs Doom 64 - FAQs & Guides]

==References==
<references />


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