History VideoGame / ResidentEvil0

* EpisodeZeroTheBeginning

* PapaWolf: See OddCouple above; Billy becomes a "big brother" version of this to Rebecca over the course of the game.

* {{Prequel}}

* GroinAttack: If Rebecca is pinned to the ground by a hunter and manages to struggle free, she does so by kicking it squarely in the crotch and then throwing it off of her whilst it's stunned.

** Continued in the ''Remastered'' edition, although there are a couple differences. One, you're given a second personal item in the form of a Suitcase, from which you can change costumes at any time right from the start. Second, apart from the three original alternate costumes, there are eight additional costumes available as DLC, not including the novelty T-shirts. Billy is given the option to cosplay as Cody from ''[[VideoGame/StreetFighterAlpha Street Fighter Alpha 3]]'' or a Wolf Force member (specifically Joseph Gibson) from ''[[VideoGame/{{Commando}} Mercs]]'', while Rebecca's outfits are all from other games in the series: her original outfit from the first ''Resident Evil'' (S.T.A.R.S. 1996), her Arrange Mode outfit from ''Director's Cut'' (S.T.A.R.S. 1997), her outfit from the unreleased [=N64=] version of ''[=RE0=]'' (S.T.A.R.S. Prototype), her RPD basketball uniform from the hidden photo in ''[=RE2=]'', her cheerleader outfit from ''Deadly Silence'', and her sexy nurse costume from ''Mercenaries 3D''. The game also adds a "Wesker Mode" that replaces Billy with Wesker and gives Rebecca an EvilCostumeSwitch similar to Jill's in ''[=RE5=]'', the latter of which is unlocked for the main game after completing Wesker Mode for the first time. Rebecca also has 12 novelty T-shirts to choose from, although 7 of them are Japanese-only.

* AttackOfTheFiftyFootWhatever: Downplayed, but every single boss other than the Proto-Tyrant and the Queen Leech consists of an ordinary animal grown to a gargantuan stature -- in order, a scorpion, a centipede, and a bat. A file in-game justifies this by explaining that a dramatic increase in stature was the most consistent mutation produced by the Progenitor Virus; more drastic mutation potential was why it was superceded by the T-Virus. It also doubles as a MythologyGag; ''VideoGame/ResidentEvil1'' consisted mostly of giant animals for bosses until [[UpdatedReRelease the REMake]] added the Crimson Head Alpha and Lisa Trevor.

* BigCreepyCrawlies: The bosses include a giant scorpion and a giant centipede. The regular monsters include the smaller-but-still-giant insects, the Plague Crawlers, and the Spiders (though there are only five of them in the game). And let's not forget all the leeches.

** The ''HD Remaster'' gives the achievement/trophy [[MasterOfUnlocking "Apprentice of Unlocking"]] after you open the last locked door in the game that leads to the final boss fight[[note]]provided you found the easily-missed locker key in the mansion basement and opened the weapon's locker in the room where you first find the hunters, that is[[/note]].

** Billy diving into {{bullet time}} while shooting the leeches off Rebecca.

* DemotedToExtra: The zombie dogs make just a single appearance during the entire game, and only in the form of two of them ambushing Rebecca on the Ecliptic Express.

* BadassNormal: Billy, a former Marine. In ''The Umbrella Chronicles'', he uses his handcuffs as makeshift brass knuckles, and is also capable of drop kicking a full grown man in the face.

* BossInMookClothing: Mimicry Marcus, a.k.a. the leech zombies. They usually show up in heavily traveled, plot essential areas and can follow you to different rooms. They pose a serious threat whether you decide to fight them or attempt to run past them. Guns do very little damage, and even molotoves are of limited effectiveness.

** The ''HD Remaster'' gives the achievement/trophy [[MasterOfUnlocking "Apprentice of Unlocking"]] after you open the last locked door in the game that leads to the final boss fight.

* DemotedToExtra: The zombie dogs make just two appearances during the entire game, and only on the Ecliptic Express.

* EverythingsBetterWithMonkeys: Horribly averted with the Eliminators, who are [[KillerGorilla psychotic albino apes]].

* EverythingsBetterWithMonkeys: Horribly averted with the Eliminators, who are [[KillerGorilla psychotic albino apes]] that make very good DemonicSpiders.

** Inverted. At one point, the player has [[LetsSplitUpGang to split Rebecca and Billy up.]] The one who goes upstairs (by using the hookshot) will find a file that hints at the combination to a locked room. It is explained how the other character gets the dial (which is inexplicably off) to enter the combination, ''but not how they know about the file, let alone the password''. And that knowledge is needed for the other character to progress.[[note]]Then again, the characters ''are'' supposed to have radios which they use to communicate with each other; it's logical to presume that they communicate such info "offscreen".[[/note]]
** Just before, Billy has to save Rebecca from falling into a chasm. In order to unlock the door, Rebecca needs to pick up a note that says what the power settings need to be. But, when she falls into the chasm, Billy needs that note, because it hints that [[spoiler: he's got to go through the boiler room.]] So he really shouldn't know that.

* TheMedic: Rebecca, as the field medic of S.T.A.R.S is the only one who can combine herbs to make stronger medicine.
* TheWormThatWalks: The leech zombies and [[spoiler:Dr. Marcus himself.]]

* UnwinnableByMistake: The second boss battle against Centurion is the only mandatory character fight in the game, as the giant centipede captures Rebecca and starts running around the room with her, leaving Billy to save her by killing it. If you didn't give him sufficient firepower before Rebecca got grabbed, you can run out of ammo and will be unable to do anything to hurt it, forcing a restart.

** Inverted. At one point, the player has [[LetsSplitUpGang to split Rebecca and Billy up.]] The one who goes upstairs (by using the hookshot) will find a file that hints at the combination to a locked room. It is explained how the other character gets the dial (which is inexplicably off) to enter the combination, ''but not how they know about the file, let alone the password''. And that knowledge is needed for the other character to progress.

** Once the Ecliptic Express crashes, you can no longer access it. However, to avoid the loss of important items, everything you had set on the Ecliptic Express miraculously ends up at the crash site.

* BatOutOfHell: Bats infected by the t-Virus are among the enemies faced by Billy and Rebecca, and there's a boss battle against a giant mutant one.

** Once the Ecliptic Express crashes, you can no longer access it. In order to avoid the loss of important items, everything you had set on the Ecliptic Express ends up miraculously on the crash site's floor.

** Once the Ecliptic Express crashes, you can't no longer access it. In order to avoid the loss of important items, everything you had set on the Ecliptic Express ends up miraculously on the crash site's floor.

** The game foregoes item boxes in favor of having the character drop items and then come back for them. But later on the game, the train crashes, so you can't come back to it. To avoid the loss of important items, everything you had set on the train ends up miraculously on the crash site's floor.

* AntiFrustrationFeatures: Believe it or not, the game actually seems to assess your ammo and health upon entering a room and and will allow enemies to be killed much more easily if you're low on health/ammo.[[note]]This isn't the case in Hard mode for obvious reasons.[[/note]]

''Resident Evil Zero'', the fifth main game in the ''Franchise/ResidentEvil'' franchise, came out for the UsefulNotes/NintendoGameCube in 2002. It serves as a prequel to the original ''VideoGame/{{Resident Evil|1}}''. Creator/{{Capcom}} initially slated this game for the UsefulNotes/{{Nintendo 64}} as a follow-up to that system's port of ''VideoGame/ResidentEvil2'', but scrapped the original version of ''Zero'' halfway through development when Creator/{{Nintendo}} unveiled their next console (the [=GameCube=]). Capcom made the decision to move ''Zero'' from a dying platform to the next generation instead; at the same time, Creator/ShinjiMikami's team began development of a remake of the first ''Resident Evil'' (better known as the ''[=REmake=]'') for the [=GameCube=]. The development of the two projects overlapped, which led to both games sharing many of the same assets (chiefly the character model for Rebecca Chambers). As a result, development on ''Zero'' finished only a few months after the release of the ''[=REmake=]''. For more than a decade, ''Zero'' was exclusive to Nintendo platforms, as its only port was on the original UsefulNotes/{{Wii}} in 2008. However, on May 25, 2015, Capcom announced the ''Resident Evil Zero HD Remaster'', and it was released for the UsefulNotes/{{PlayStation 4}}, UsefulNotes/XboxOne, UsefulNotes/{{PlayStation 3}}, UsefulNotes/{{Xbox 360}}, and PC on January 19, 2016.

* SolveTheSoupCans: The train's E-brake system. There's [[VoodooShark no possible rationale]] for the puzzle that doesn't make it even crazier.

* EverythingsBetterWithMonkeys: Horribly averted with the Eliminators, who are psychotic albino apes that make very good DemonicSpiders.

* AndThenJohnWasAZombie: Edward Dewey becomes a zombie shortly after being killed by zombie dogs, while [[spoiler:Dr. Marcus becomes the Leech Queen.]]

Rebecca has incredible luck for her first day on the job: she not only encounters Billy, but also ends up face-to-decaying-face with scores of zombies, who force Rebecca and Billy to work together in order to survive. The duo escapes the train, then head down the tracks, where they discover the Umbrella Management Training Facility. Their struggle for survival pits them against hordes of Umbrella's nightmarish bio-weaponry [[spoiler:and the mysterious Dr. James Marcus, who bears his own grudge against Umbrella.]]

** Inventory struggles are taken to the extreme in the Leech Hunter minigame. Billy and Rebecca each have to collect fifty leech charms, for a total of one-hundred. However, they can only fit ten charms in a slot, and when a charm is picked up it can't be dropped or traded between characters. By the end of the ordeal, the player won't be able to mix herbs or even reload their guns, so charms in dangerous areas have to be collected first.

* HandCannon: The magnums, as usual. The unlockable Magnum revolver is something of an Umbrella AceCustom that they made to combat their own B.O.W.s in self defense.

* PlotHole: Rebecca is bitten, scratched and even swarmed by leeches, but she never contracts the T-Virus. This is not even a case of GameplayAndStorySegregation as it happens during several cutscenes. To make matters worse, there is a file in the game implying that by simply touching a leech will get you infected immediately after.

* PsychoStrings: The leech zombie theme.

* ScareChord / PsychoStrings: Whenever a leech zombie shows up.

* WhatHappenedToTheMouse: Billy hasn't been heard from in the series since, and neither has Rebecca after the events of the original game. Canonically, Rebecca is supposed to have survived the events of the original game. She's finally showed up in a stage play and is set to be a main protagonist in the third CGI movie.

* WorfHadTheFlu: The Eliminator BOWs have apparently been weakened by severe starvation. This is a very good thing for the player.

* DoomedByCanon: Sorry Rebecca, [[spoiler:but [[VideoGame/ResidentEvil1 that mansion]] is not going to be a reprieve.]]

* BossInMookClothing: Mimicry Marcus, aka the leech zombies. They usually show up in heavily traveled, plot essential areas and can follow you to different rooms. They pose a serious threat whether you decide to fight them or attempt to run past them. Guns do very little damage, and even molotoves are of limited effectiveness.

* PermanentlyMissableContent: Any item the player doesn't interact with in the Ecliptic Express before it crashes will not be transferred over to the Management Training Facility. Likewise, the wardrobe closet will become inaccessible after the crash, meaning that Rebecca and Billy will be stuck with whatever outfit the player picked for them. Although the ''HD Remaster'' adds a suitcase to your inventory as a new personal item, from which you can change your costumes at any time.