[[quoteright:300:https://static.tvtropes.org/pmwiki/pub/images/chaos_engine.jpg]]
[-[[caption-width-right:300:Sometime in the last century an experimenter with time space and early computers created a bizarre machine...]]-]

''The Chaos Engine'' (''[[MarketBasedTitle Soldiers of Fortune]]'' in the US) is a top-down shooter with RPG elements set in a steampunk setting, originally developed for the Platform/{{Amiga}} by the Creator/BitmapBrothers and published by Renegade Software in 1993. [[AllThereInTheManual According to the manual]], a time traveller on a reconnaissance mission from the distant future became stranded in England during the late 1800s, and his technology came into the hands of [[MadScientist Baron Fortesque]], who wound up creating the titular Chaos Engine. Unfortunately, the experiment predictably [[GoneHorriblyWrong went out of control]], [[AIIsACrapshoot became self-aware]], [[TheAssimilator assimilated its creator]] and loosed an army of temporally-displaced creatures, robots and mutants.

Players choose two out of six mercenaries to fight their way through the [[TheLostWoods monster-infested wilderness]], [[IndustrialGhetto the steam-powered city]], Baron Fortesque's [[BigLabyrinthineBuilding spatially distorted mansion]], and finally the [[EternalEngine automaton-filled]] [[DownTheDrain cellars]] [[AbandonedLaboratory containing the Chaos Engine itself]]. Along the way gameplay revolves as much around fighting monsters as it does solving puzzles and finding secrets, due to the pressing need to accumulate money to purchase weapon and skill upgrades.

A sequel was released in 1996, changing the gameplay from exploration-focused shooter with 2 character cooperating to a death-match game with both characters actively opposing each other. While praised at the time of release, the game is usually overlooked in favor of its predecessor.


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!!This game contains examples of the following:

* AbsurdlySpaciousSewer: World 4 the Cellars.
* ActionBomb: Every single enemy in the game. Anything hostile explodes upon contact and causes a ton of damage. Enemies that lack projectiles use this as their main attack.
* AlternateHistory: Victorian England meets reverse-engineered future technology.
* AndIMustScream: Baron Fortesque is still awake and aware inside the Chaos Engine, and can't do a thing to stop it except guide the mercenaries to its location.
* AntagonistTitle
* AntiHero: Each of the protagonists is stated to have a shady background, with the possible exceptions of the Navvie and the Gentleman. The Mercenary is AxeCrazy, the Brigand is described as a cut throat bandit, [[ExactlyWhatItSaysOnTheTin the Thug's name speaks for itself]] and the Preacher is stated to have a [[SinisterMinister perverse nature]].
* ArtificialStupidity: Your NPC companion. The Wisdom stat is supposed to improve their AI, but it's debatable how well it prevents them from walking straight in front of a wide-open enemy spawn point.
* TheBigGuy: Navvie and Thug both qualify, having high strength stats.
* {{Bowdlerize}}: Some versions of the game change the name of the Preacher to Scientist and edit out his white collar.
* ChaosIsEvil
* ChurchMilitant: Preacher.
* CollisionDamage
* CrapsackWorld: the United Kingdom is not a nice place once the Chaos Engine has taken over.
* DifficultButAwesome: Gentleman. His Party Power special ability is a bit of a let-down, but Repel Monster is extremely powerful when used right, as it can send even the homing energy balls in 4-4 fleeing away while you deal with the generators.
* DoubleUnlock: The Skill stat. On its own it does nothing, but you have to keep raising it to make other upgrades available for purchase.
* DumbMuscle: Thug, having the lowest Wisdom stat but tied with the Navvie for sheer offensive power.
* DumpStat: Health. You should always try to have your health at peak when entering the shop, because you're better off leaving some money unspent than filling your health back up to make the next Skill upgrade available. If you're near-death, then forking over 500 pounds for an extra life is often cheaper.
* EscortMission: Of a sort. It's a good idea to keep your NPC companion alive, since if they run out of lives you have to pay to revive them between levels, which in turn means less money to spend on advancing your character.
* EveryoneCallsHimBarkeep: The characters are referred to as Mercenary, Gentleman, Brigand, Navvie, Thug and Preacher.
* [[EveryTenThousandPoints Every 7000 Points]] earn you an Extra Life.
* FinalBoss: The Chaos Engine, which is notably also the only boss in the game.
* FourIsDeath: Four worlds with four levels each. The Chaos Engine itself also has four connections at the four corners of the level that must be cut before you can confront it directly.
* GameLevel
* GuideDangIt: Getting to the secret exit in 3-3: Reverse requires having a character with a special that can activate a node located on a lower level. A lot of other secrets qualify, and given the game's age and obscurity, good luck finding a comprehensive guide.
* HalfHumanHybrid: Starting with the lizard-human creatures in 1-2.
* HappyEndingOverride: The Chaos Engine 2 is this in its entirety. The Chaos Engine wasn't really destroyed. The mercenaries didn't escape. Oh, and Baron Fortesque is still completely evil.
* HoistByTheirOwnPetard: Baron Fortesque, big time.
* HyperactiveMetabolism: Cans of food are the main source of healing.
* InvincibilityPowerUp: Shield.
* JackOfAllStats: Brigand and Mercenary, lacking the offensive power of Navvie/Thug, and the weakness of Gentleman/Preacher.
* LargeHamAnnouncer: '''Players activated! Food! Special Power! Four! Three! Two! One! Extra Life! Exit open!'''
* LeftHanging: ''The Chaos Engine 2'' ends with the reveal that Baron Fortesque has somehow merged with the Chaos Engine into some kind of evil cyborg thing, and the all the players' efforts in the game have only resulted in him being set free to wreak havoc.
* TheMaze: World 3 Fortesque Mansion is filled with invisible teleporters and passages that cut off when you approach. The levels are linear enough that it's easy to find the exit, but really difficult to find the hidden areas full of money and power-ups.
* MeaningfulName: The levels each get one.
* TheMedic: Preacher has the lowest health of all the mercenaries, but starts with the First Aid special ability, making him an excellent choice for your NPC companion.
* NiceJobBreakingItHero: The ending of ''The Chaos Engine 2'' reveals the entire game was this.
* NintendoHard
* NonCombatEXP: Upgrades only require money, and although every enemy drops a quickly-disappearing coin upon defeat, the main source of grinding is finding treasure. Upgrading your weapon through power-ups in secret areas is also more economic than buying them.
* OpeningMonologue: The first installment starts with a few screens of text describing the titular machine's rise to power and short presentation of six mercenaries who were sent to destroy it.
* PainfullySlowProjectile: On the enemies' side, thankfully.
* RespawnOnTheSpot: In Chaos Engine 2, the bandit/mercenary will revive a few seconds in the same place they were downed, allowing the other player to grab
* TheReveal: The hammy announcer throughout the game is Baron Fortesque himself, communicating to you from within the Chaos Engine.
-->"I have guided you here so that you might set me free. The Chaos has ended, you will be remembered!"
* RoboticReveal: At the end of ''The Chaos Engine 2'', Baron Fortesque reveals that underneath the human face you freed at the end of the first game is another layer of machinery. Also he's on fire for some reason.
* SequentialBoss: After depleting the Chaos Engine's first life bar the screaming head of the baron is revealed and the boss gains a devastating 8-directional laser attack.
* SinisterMinister: The Preacher is described as one in the game introduction.
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[[folder: Beware, his perverse nature is not to be trusted. ]]

* SplitScreen: ''Chaos Engine 2'' stacks player 1 above player 2.
* StatusBuff: Party Power raises all stats to max for a short time.
* {{Steampunk}}
* ATasteOfPower: A variation. In 1-4 there's a Party Power power-up lying in plain sight. When it's active you'll get to see how powerful your character can become by the end of the game with max speed and max weapon level.
* VideoGameLives
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