So it's the middle of the night, you're [[VideoGame/SilentHill1 being chased by mangled oversized toddlers with knives through a Kafkaesque take on a dark and twisted elementary school]], and you realize that in all the chaos you've completely forgotten to change the batteries in your flashlight. Sounds like a problem, right? Wrong! Your flashlight will never run out [[GameplayAndStorySegregation unless the plot dictates otherwise]]. If need be, you could probably hook it up to an inverter and power a city from the bottomless depths of your flashlight (if it wouldn't rob you of your only light source while you worked - remember those knife-babies?).

Of course, many games don't take enough in-game time to complete for four D-cells of battery power to run out. But even if you can [[TakeYourTime take weeks or even months]] to complete the main plot, the flashlight will never run out. Definitely an [[AcceptableBreaksFromReality Acceptable Break from Reality]]. Such things do exist in some form in real life, but typically require shaking to provide kinetic energy to charge a capacitor to power a feeble white LED (granted, you're probably shaking hard enough as it is because of the fiendish killer knife babies). More usefully, "survival" flashlights use a crank mechanism and generator to recharge a battery, which is [[DepartmentOfRedundancyDepartment powerful enough to power medium-power]] [=LEDs=].

Commonly, the Infinite Flashlight has a smaller light output than its contrasting counterpart, the TenSecondFlashlight, the usual result when developers try to avert this one.

Compare and may sometimes overlap with NuclearCandle, where a tiny matchstick is all that is needed to fully illuminate an entire room.
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!!Examples:

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[[folder:Action Game]]
* Dante from ''DevilMayCry'' uses a nugget of [[FantasticLightSource Luminite]] as a makeshift lantern in the first game, and the light never fades.
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[[folder:Action Adventure]]
* ''VideoGame/TheLegendOfZeldaALinkToThePast'' has a lantern that consumes magic to light TenSecondFlashlight torches, but always lights up the area in front of you just fine.
** This was changed in ''VideoGame/TheLegendOfZeldaTwilightPrincess'', where the lantern needs oil. Thankfully it doesn't run out TenSecondFlashlight-fast.
** On ''VideoGame/ZeldaIITheAdventureOfLink'' once you get the Candle, all dark caves in the game are automatically lit, [[NuclearCandle through and through]]. You don't even have to select it.
* Luigi's flashlight in ''VideoGame/LuigisMansion'' never runs out throughout the entire game. Admittedly, the game isn't supposed to take that much time, but you still use the flashlight a whole lot.
* The flashlight in ''VideoGame/TombRaider'' Legend lasts a few seconds, while the flashlight in Underworld is indeed infinite.
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[[folder:Adventure Game]]
* In [[ColossalCave Adventure]] (the text game from 1976) your first set of flashlight batteries will run out fairly quickly. After you replace them, the fresh batteries last forever.
* The obscure 1984 computer game ''BelowTheRoot'' (based on Zilpha Keatley Snyder's ''GreenSkyTrilogy'') had an underground area that was pitch-dark. It was possible to obtain honeylamps that would provide light for a short time, but to fully explore the area and beat the game, it was highly recommended that you obtain an item called the spirit lamp, which provides light for as long as you hold the item.
* In ''Ghost Dogs of Moon Lake'', ''VideoGame/NancyDrew'' can use her flashlight as much as she likes in the one area it's necessary. But of course, when she finds ''another'' dark space, the batteries instantly die and she needs to head off for more. After that, the flashlight works perfectly for the rest of the game.
** Not only that, but judging by the icon in the inventory, the flashlight's turned on all the time...
* Possibly justified in ''{{Rama}}'', which takes place in the distant future. Arthur C. Clarke did hope that we would tap into zero-point energy someday.
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[[folder:First Person Shooter]]
* ''VideoGame/Left4Dead''. You have the ability to turn it on and off to to sneak past the regular zombies and witches, both of which are less aggravated when there isn't a torch shining on their faces.
* ''VideoGame/{{Doom}} 3''. The in-game description even says that it has a static power source. It ''does'' get knocked out at one point in the game by some annoying electromagnetic pulses, but it's a temporary thing and it only happens twice, when you are not in immediate danger. The ''BFG Edition'' UpdatedRerelease has a shoulder-mounted TenSecondFlashlight instead.
* In Bungie's ''PathwaysIntoDarkness'', you only have five days to complete your mission before the SealedEvilInACan awakens to destroy ordered reality on earth, your flashlight can last for a week. Although there is a set of nightvision goggles necessary to get past evil creepy-crawlies that are attracted to your flashlight.
* ''Franchise/TheChroniclesOfRiddick: VideoGame/EscapeFromButcherBay,'' at least before you get the titular character's 'eyeshine' ability.
** Except for one level--and what a level it is. At one point, Riddick tackles a guard, dropping both of them down a very, very deep well and into the sewers. Riddick thus loses all his weapons and is forced to use the guard's shotgun. The shotgun has a built-in flashlight, as do most of the weapons, but it's been damaged in the fall and flickers continuously. What's more, it'll fail completely in [[ExactTimeToFailure exactly eight minutes]], as the computer voice (in the ''shotgun'') helpfully informs you. So you're down in the deep, dank sewers with only a few minutes until you're left in the dark forever. Oh, and did I mention the crazy sewer mutants who pop out of nowhere?
* Averted in the first ''Franchise/{{Halo}}'' game, where the flashlight can indeed run out. The flashlights in ''Halos 2 & 3'', however, are infinite, though this is handwaved as drawing power from your new suit's fusion core. It will however turn off on its own in lighted areas.
* ''[[VideoGame/FirstEncounterAssaultRecon F.E.A.R.]] 2: Project Origin'' uses a weak InfiniteFlashlight that flickers specifically during supernatural scare sequences. The previous generation (the first game and its expansions) uses a TenSecondFlashlight instead.
* ''VideoGame/TeamFortressClassic'' still has the flashlight from ''VideoGame/HalfLife1'' in the code, but because the power gauge was removed it now shines indefinitely. If you're curious, you activate it by hitting the ~ key and typing: bind "impulse 100"
* In ''VideoGame/TheNamelessMod'', using a (somewhat rare) augmentation upgrade on your default light enhancement results in this. As a ''VideoGame/DeusEx'' mod (where gameplay pretty much required dark areas), this comes in handy.
* In ''VideoGame/{{Bioshock 2}}'', your suit will automatically turn on in dark areas. Given that you're playing a [[WhatMeasureIsANonHuman not-quite-human ''thing'']] that [[ColourCodedForYourConvenience can change what color its body to express its mood]], it's less of an "InfiniteFlashlight" and more of "Making Yourself More Bright When You Need It".
** In ''VideoGame/BioshockInfinite'' the Police in the Soldiers Field Carry flashlights that won't go out after they're dead.
* In ''VideoGame/{{Vietcong}}'' the player has a flashlight that never runs out of power - mainly useful for the mission segments when you must traverse through the tunnel systems of your enemies. However, some players never actually realized they had a flashlight during those missions since they'd never used it previously and ended up negotiating the tunnels in near complete darkness. A case of read the manual in those cases.
* True for the headlamp and both types of night vision goggles in the ''[[VideoGame/{{STALKER}} S.T.A.L.K.E.R.]]'' series. The lower-end NVG's flicker every once in a while, but never go out.
* In ''VideoGame/{{Metro 2033}}'' and ''VideoGame/MetroLastLight'', the flashlight and the night vision goggles share a power source, which can be charged with a universal charger. That is only really necessary for the NV, though, which stops working altogether at zero power. The flashlight simply doesn't shine as brightly. This doesn't mean that charging it is unnecessary, however - some enemies that live in the dark such as the [[KingMook plated nosalises]] and the [[BigCreepyCrawlies spiderbugs]] will shrink back in horror if confronted with a full-ish beam, which gives the player a few precious seconds to introduce their faces to a magazine of military-grade rounds or their bellies to a knife.
* ''VideoGame/{{Unreal|I}}'' has a powerful, permanent searchlight that you get far into the game (which makes you use a good number of [[TenSecondFlashlight disposable versions]] before that point), which is not in fact infinite: its charge is so high, no sane player is likely to run out of power for it, but if you take long enough to finish the game, it's likely you'll see its charge bar diminish a fair bit before the end. It makes no difference in gameplay terms, though, so it counts as a straight example.
* ''VideoGame/{{Painkiller}}'' and its expansion ''Battle out of Hell'' both have infinite flashlights. In the first game it is literally a flashlight that emanates inexplicably from Daniel's chest (you never see the light itself, but it does flicker, make electrical noises and has a distortion in the center like a normal flashlight). in Battle out of Hell, the light has been replaced with a strange glowing yellow ball in the bottom left corner of the screen. Presumably, this is supposed to represent a lantern or candle instead of an electrical torch.
* ''VideoGame/BlackMesa'', the FanRemake of ''VideoGame/HalfLife1'', removes the power gauge entirely, allowing the flashlight to shine as much as you want. Which is good, as the mod is ''a lot'' darker than any of the official games, and the light isn't particularly bright.
* ''VideoGame/CryOfFear'' ditches the traditional ''Half-Life'' flashlight for the light emitted from the player character's phone. It lasts as long as the player needs it to until the battery goes dead for a plot event, forcing them to go through a section using flares that are not quite as permanent or portable as the phone until they can find a replacement battery. The optional [[GunAccessories Glock-mounted flashlight]], the lantern you find [[spoiler:after the train crash [[BagOfSpilling robs you of your phone]]]], the conventional torch you find at the basement of the hospital and likewise have infinite use, {{justified|Trope}} in that the electrically-powered ones are implied to be LED-based. The night-vision gas mask you can unlock through "Doctor's Story" mode also applies as a straight example, with the added bonus of not taking up an inventory space.
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[[folder: Platform Game ]]
* Squawks in the first ''VideoGame/DonkeyKongCountry'' and Glimmer in the second.
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[[folder:Roguelike]]
* In ''NetHack'', lamps and candles are available as [[CommonplaceRare quite rare]] light sources. Now normal ones burn out eventually (though lamps can be recharged with a potion of oil), but Magic Lamps last forever. Likewise, the Spell, Scroll, and Wand of Light create permanent fields of light.
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[[folder:Role Playing Game]]
* The ''Pip-Boy 3000A'' wrist computer in ''VideoGame/{{Fallout 3}}'' can also be used as a lantern with an unlimited power supply by brightening up the screen to max. [[AcceptableBreaksFromReality It's not explained how the light from a single screen shines in a full 360 angle, though]].
* An interesting variation: In ''FinalFantasyLegend2'' there's a cave where it's too bright to see ''anything'' inside, aptly named Bright Cave. You need the [=TrueEye=] MAGI to see normally in the cave, but it never wears off, making the MAGI an Infinite... Flashdark?
* ''VideoGame/MassEffect3'' gives the crew muzzle flashlights, but it's plausible to presume they're run off whatever absurdly high-capacity battery is flinging minuscule slugs at absurd muzzle velocities all day out of the gun, and they're never on for very long anyway.
* ''SwordOfVermilion'' has a TenSecondFlashLight in the form of candles, but lanterns and the Luminos spell last until you leave the current dungeon.
* The move 'Flash' in ''{{Pokemon}}'' games lasts until you leave the cave or use a ladder to a new room,but otherwise needs no refreshing.
* In ''VideoGame/NeverwinterNights'', one torch is all you ever need (if you're even worried about illumination, as HollywoodDarkness is in effect even where there are no obvious light sources otherwise). Ironically, about the only light source in the game that will eventually die down again on its own is the Light ''spell'', and that becomes obsolete by the time you find or make the first permanently glowing magic item at the latest.
* VampireTheMasqueradeRedemption has got not only an infinite flashlight, available in the Modern Days, but also an infinite torch, that you use throughout the Dark Ages, that lights up when you get it and stops burning as soon as you put it in your pack.
[[/folder]]

[[folder:Survival Horror]]
* Every game in the ''Franchise/SilentHill'' series. In ''Silent Hill 2'', the battery only dies twice: once when you enter a specific room midway through in the game and you have to change the battery for it to work again; the other happens by the endgame and it's permanent, but thankfully the environment is lit up enough for you to see just fine. The first game even had an infinite match at one point.
* One of the last chapters in ''EternalDarkness'' has a character with one of these. To be fair though, he's a firefighter, so it's probably less "infinite" and more "heavy duty" (or, as the game calls it, "equipped with long-life battery"). Either way, if you sit in a safe room with it on, and then just leave the game running for days, it'll still be happily shining when you come back.
* Used throughout the ''FatalFrame'' series. The one exception occurs in the second game, when the flashlight's temporary failure is used to indicate that there's something ''very'' wrong with the particular house the protagonist has entered.
* Notably, in ''VideoGame/DeadSpace2'', it's shown that Isaac's plasma cutter is actually a [[http://deadspace.wikia.com/wiki/Flashlight flashlight]] combined with a surgical tool. It keeps working no matter how many enemies he beats to death with it.
* ''VideoGame/SlenderTheArrival'', your flashlight doesn't run out until the final level where it dies.
[[/folder]]

[[folder:Other]]
* The ''Film/WhoFramedRogerRabbit'' game for the NES -- sort of. [[FridgeLogic For some reason]], you have to use a different flashlight in each cave, but those caves stay lit permanently. [[NuclearCandle And all over.]]
[[/folder]]

[[folder:Tabletop Games]]
* Everburning Torches in ''DungeonsAndDragons'' are so inexpensive, almost every adventuring party above level one has at least ''one''.
* A lot of Tabletop Games operate on this rule out of RuleOfFun. It's much easier to mark down "flashlight" on a character sheet than "flashlight and 500 AA Batteries". This also allows GMs to shut off the flashlight when dramatically appropriate.
[[/folder]]

[[folder:Web Original]]
* Discussed in ''Website/{{Cracked}}'': Photoplasty advertises it in [[http://www.cracked.com/photoplasty_273_26-ads-products-that-must-exist-in-video-games_p26/#24 Ads for Products That Must Exist in Video Games]].
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