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Welcome to UFOpaedia.org! This site is dedicated to X-COM, a computer game series introduced in 1994 by MicroProse.

Here you will find a wealth of information including game strategy, tactical tips, and an in-depth look at how the game functions.

If you love the X-COM series and wish to contribute to this site, please see the Community Portal. All newbies are welcome!

Disclaimer: This is a site dedicated to a computer game. If you came here for the alien conspiracy theories but not for the games, then you must've taken a wrong turn somewhere. Head back a few miles until you step on the gnomes making the crop circles. If all else fails, you can Google your way to safety. Happy travels!

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UFO: Enemy Unknown (aka X-COM: UFO Defense)
Overview About X-COM: UFO Defense The Geoscape Geoscape Overview UFO Detection UFO Interception The Battlescape (Combat) Battlescape Overview Battlescape Combat Mission Types Tactics Scouting Reaction Fire Triggers Sweeping the Battlescape Reaction Training Alien Movement Patterns Time Management Grenades Proximity Grenades Smoke Grenades Grenade Relay Stun Rods Base Defense Night Missions Alien Base Assault UFO Ground Assault Rear Commanders Field Manual	Aliens Alien Life Forms Overview of Aliens Terror Units UFOs UFO Components Alien Missions Alien Artefacts Logistics Soldiers Base Facilities X-COM Craft Craft Armaments Equipment Weapons Armor Heavy Weapons Platforms Miscellaneous Equipment	Game Strategies A Beginner's Guide Base Management Base Layout Strategy Experience Training Managing the Item Limit Research Research Tips Economics Buying/Selling/Transferring Hiring/Firing UFO Recovery Values Manufacturing Profitability Miscellaneous Information Glossary of Terms XcomUtil - Game Enhancer UFO Timeline Realistic Equivalents Mars	Technical Information Game Mechanics Damage Explosions Accuracy Formula Reaction Fire Formula Line of Sight Destroying Terrain Experience Psionics Kill Modelling Fatal Wounds Recovery Time Stun Unconsciousness Data Tables Inventory TU Table Movement TU Tables Item Weight Unit Height Scoring Terrain Tricks, Tips and Hints Exploits Game Files Known Bugs UFO Base Kit

Sequels

X-COM: Terror From the Deep General General Information Geoscape Base Management X-COM Subs Sub Armaments Unidentified Submerging Objects USO Components Base Facilities Research Alien Research Alien Artefacts Economics Battlescape Battlescape overview Mission Types Aquanauts Alien Life Forms Overviews of Aliens Terror Units Equipment Weapons Submersible Weapons Systems Terrain Scoring

X-COM: Apocalypse General General Information Cityscape Mega Primus Corporations Relations Trade Bases Base Facilities Research Alien Artifacts Biochemistry Quantum Physics Vehicles Battlescape Agents

Spin-Offs

X-COM: Interceptor	E-Mail X-Com	X-COM: Enforcer
General Information Technologies	General Information	General Information

Discontinued Titles

X-COM: Genesis	X-COM: Alliance
General Information	General Information

UFO2000

UFOpaedia.org is also home to the official UFO2000 wiki. UFO2000 is an open-source player-versus-player tactical simulation based on X-COM.

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