Harmony is a freeware first-person shooter for Windows based on the [[http://zdoom.org/About ZDoom]] source port of the classic game ''VideoGame/{{Doom}}'', channeling the spirit of circa-1990s Doom clones.

[[http://rabotik.nl/harmony.htm Get it here!]]

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* ActionGirl: Harmony, the title character.
* AfterTheEnd
* AllYourBaseAreBelongToUs: The game begins in the middle of the Pax Pox raiding a major base of the Amazons and taking her leader Amira hostage.
* AmazonBrigade: Harmony and the rest of LaResistance.
* AndManGrewProud
* BigBad: Echinda
* BodyHorror: However the Pax Pox supervirus works, it's a nasty piece of work.
* BrokenBridge: There is often an obstacle blocking your progress.
* CrapsackWorld: Earth is a toxic, war-torn Hellhole, half of the human race has been turned into horrifically mutated berserkers, and furthermore one has to wonder how LaResistance will repopulate the Earth if they win if they haven't perfected cloning...
* DamageSpongeBoss: The Centaurs, armed with dual rocket/landmine launchers and quite resistant to damage. In Map 06: The Weapons Factory, they are the exclusive enemy (unless you play on an easier difficulty, in which case you might find a few of them replaced.)
* DeadManWriting: Found in The Underwater Lab, describing where the leader is located.
* TheEnd: The exit of the final level shows this on a raising door.
* GatlingGood: Like in the original Doom, if fired in controlled mouse-tap bursts the gatling gun is quite precise.
* {{Gendercide}}: In this case, the male half of Earth's population is not outright exterminated but transformed into violent, monstrous mutants. [[spoiler: By the end of the game, it is discovered that they found how to do the same to females.]]
* GenreThrowback: To '90s Doom clones, of all things.
* InsurmountableWaistHeightFence: The ZDoom engine supports jumping, but the game is designed without jumping in mind. Your progress is therefore blocked by easily climbable obstacles.
* MeatMoss: The Pax Pox seem to be placing this stuff around, especially in The Undersea Lab.
* MoreDakka: The minigun uses more shots compared to Doom's chaingun, and has a higher spread. The Entropy Thrower is a more effective version of the basic weapon, but it consumes ammo.
* RangedEmergencyWeapon: The Neutron Gun is long range, has infinite ammo, but is slow firing.