OpenXcomMods / R&D
OpenXcom mods
OpenXcom r&d mods
Everything filed under r&d by its own author, ordered by how much it is used.
72 r&d mods, most downloaded first ยท newest update 8 Oct 2026
AllUFO Defense343Minor239Equipment154Battlescape143Graphics120X-COM Unit101Terror From The Deep93Craft89Audio85aliens83Geoscape83R&D72Major59Base Facility57Incomplete49Total Conversion27Megamod22Tool15
- Final Mod Packby Solarius_ScorchA multi-level megamod, composed of various community mods which are balanced against one another and topped with a lot of extra original content.88.4k downloadsupdated 4 mo ago
- The World of (Terrifying) Silenceby NordExpansion of original TFTD game, explaining the origin of TFTD technologies such as flying submarines, and adding some depth in a game.55.5k downloadsupdated 1 mo ago
- X-Com Files Additions 0.8.1f Anarchic Anachronismby AlicePawsAn expansion for the great X-Com Files by Solarius Scorch, more weapons, light HWP's, more armors and new missions!17.1k downloadsupdated 2 y ago
- Reaver's Faithful Megamodby thereaverofdarknessThis mod preserves the original feel of the game while making sweeping changes to balance and adding content to fill in several holes in the original game. It is better iterated and far better balanced than the true vanilla experience.15.2k downloadsupdated 22 mo ago
- XCOM Area 51by HobbesAnd we're back. Mod has been updated to work with the latest OXCE 8.2.0 (required). More changes will come in the next days to remove unauthorized contents.14.2k downloadsupdated 14 mo ago
- Reaver's Harmony Megamodby thereaverofdarknessA massive expansion to X-Com which stays true to the original spirit of the game, yet greatly increases the amount of content, options, and length of the game.13.1k downloadsupdated 22 d ago
- UNEXCOMby efrenespartanoAn international organization, the United Nations Extraterrestrial Combat Command fights the alien invasion in the middle of the Cold War. Join them in its crusade to defend Earth!11.3k downloadsupdated 15 mo ago
- X-Com: From the Ashesby FinnikX-Com's initiative failed, alien agents infiltrated Council of Funding Nations. You face a threat of total extermination, recover from the crushing blow, and find a way to continue the fight against aliens in a new setting.11.1k downloadsupdated 4 y ago
- Vigilo Confidoby memmakerA demake of the remakes - This partial conversion includes the complete EU2012 story line and lets you play through it using OpenXcom. It also adds an extensive class and skill system, thus completely changing the experience.9.7k downloadsupdated 21 mo ago
- Equal Terms 2.0by KingMob4313This mod adds and replaces base gunpowder weapons and allows for research of a variety of new weapons for both the laser and plasma weapon tiers.9.1k downloadsupdated 3 y ago
- XCOM Multimodby cevaralienThis is an integration of some other mods and parts, alongside to changes of game mechanics and graphic rework of the original XCOM ufo defense game, including new weapons, aliens, effects, xcom base maps and much more.8.9k downloadsupdated 5 y ago
- X-Chroniclesby NordFantasy-themed overhaul. OXCE only.6.8k downloadsupdated 1 mo ago
- The Hybrid Mod 3.74 Megamodby MutantlordThe Hybrid Mod 3.74 Megamod6.2k downloadsupdated 4 y ago
- The Hybrid Mod version 3.7.5 + Brutal OXCE 6.6.2by MutantlordThe Hybrid Mod version 3.7.5 + Brutal OXCE 6.6.24.9k downloadsupdated 3 y ago
- UFO: Alien Takeoverby CooperTheChryssalidA strategy horror total conversion mod with lots of new content. Players face powerful aliens and scarce resources, with gameplay starting in close combat and later evolving to include longer-range weapons.4.6k downloadsupdated 5 mo ago
- Hardmode Expansionby hellrazorMy Personal approach on creating a sort of LONG WAR MOD for the ORIGNAL UFO - DEFENSE. I originally created it as a player torture device *evilgrin*, but it turned out to be a Mod people like to play because of the challenge it offers.4.5k downloadsupdated 28 d ago
- (Archive) Hanger Expansion Mod [X-Com Files]by ZER0C00LHanger Upgrade Expansion pack for X-Com Files REPLACED BY: X-Com Files Facility Expansion Pack as of 19 Feb 20244.4k downloadsupdated 3 y ago
- The Great War of the Worldsby efrenespartanoWhat if WW1 and Battlefield 1 met The War of the Worlds? Fight the Martian Invasion in an alternate 1914 in this Total Conversion! Use historic and prototype equipment from the era4.3k downloadsupdated 22 mo ago
- Equal Terms - Wolfram Lanceby KingMob4313The purpose of this modification is give players starting weapons with real life equivalents, ie: weapons UN forces would be using against these UFO attacks.3.3k downloadsupdated 8 y ago
- No Perfect Copiesby baconiaCommanders can no longer manufacture alien equipment.3.0k downloadsupdated 8 y ago
- Tank Warfareby DBarizoArmored vehicles should be feared by grunts. "Tank Warfare" strengthens all vehicle's armors, and improves some armor piercing weapons. It also ads a new anti armor rocket.2.4k downloadsupdated 2 y ago
- Arsenal Expandedby chaosshadeAdds about 50 new weapons to to the game to increase weapon diversity.2.4k downloadsupdated 21 mo ago
- Xeno Operations LEGACYby B1ackwolfMajor Conversion of vainilla XCOM: new sprites, weapons, technologies, lore and integration with OXCE. The mod is a continuation of the work previously done by XOPS2.3k downloadsupdated 18 mo ago
- UNEXCOM: Bureau 11by fatsycophantSet in the same timeline as UNEXCOM, both a prequel and a standalone mod. Fight a secret war in the early 60s and lead Bureau 11: a special branch of the CIA tasked to research and stop any foreign intrusion, either Soviet or alien.2.3k downloadsupdated 4 mo ago
- Counter-Terrorist Operationsby FilipHA total conversion mod set in the modern day. Lead an international task force against various terrorist organizations.2.2k downloadsupdated 2 y ago
- Hatching Chryssalids and Tentaculatsby BuscherAn example mod to showcase infections. In this mod Chryssalids and Tentaculats don't kill soldiers directly but infect them with parasites instead. When soldiers are finally killed by attacks or the infection, they will finally turn into zombies.2.1k downloadsupdated 18 mo ago
- [TFTD] Tech-tree Rework and Lore Expansionby starslabMakes changes to the research tree, adding Plastics-integrated Coelecanths and Crafts to the game.2.1k downloadsupdated 5 y ago
- Support Deployables v0.9.0 (Campaign ready!)by AlicePawsAdds manufacturable deployables that will help save soldiers from death temporarily, boost their stats or heal their wounds over time, as well as some other nifty gadgets2.1k downloadsupdated 5 y ago
- Remove Reaver's Laser Research Treeby thereaverofdarknessMy mod Faithful contains a revamp of the laser weapons research tree which will not allow some mods to run with it. This mod replaces the Faithful laser research tree with one closer to vanilla which should be compatible with other mods.2.0k downloadsupdated 6 y ago
- TFTD Easier by Reaverby thereaverofdarknessMakes TFTD easier and less unfair.2.0k downloadsupdated 5 y ago
- Iron Man Super Suitby ZER0C00LIron Man Super Suit, research and more research, add many of the technologies that have been developed from research and combine into one powerful suit.1.9k downloadsupdated 5 y ago
- Purchase Lasersby baconiaPurchase handheld lasers from the market now.1.9k downloadsupdated 8 y ago
- [I.D.T.] Terminator: Tech-Commby HobbesTerminator Future War total conversion for OpenXCom. 30 years after Judgment Day, Skynet prepares the final offensive to eradicate humanity. John Connor and his Tech-Comm unit are the only hope of mankind to defeat the machines.1.8k downloadsupdated 17 mo ago
- NuclearWorld: A Post Nuclear Strategy Gameby efrenespartanoA post-apocalyptic mod, inspired by the Fallout series!1.7k downloadsupdated 3 y ago
- UNEXCOM: Directorate 17by fatsycophantThe year is 1958. As the KGB's Directorate 17, unravel a fascist conspiracy in Europe and its alien puppeteers. Prequel to UNEXCOM Bureau 11 and UNEXCOM proper.1.6k downloadsupdated 14 mo ago
- Facility Expansion Pack [X-Com Files]by ZER0C00LAdds additional facilities to the X-Com Files Mega Modpack. REQUIREMENTS: BRUTAL 8.2 (OXCE 7.11 ) X-Com Files 3.2 or newer1.6k downloadsupdated 3 y ago
- Awesome Gunsby ontariobeaveran awesome modification of the OpenXcom game1.6k downloadsupdated 7 y ago
- UNEXCOM: War on Marsby efrenespartanoThe conquest of Mars has begun, and it's your work to ensure Mankind prevails over the alien Insurgents! Sequel to UNEXCOM1.5k downloadsupdated 22 mo ago
- X-PirateZ v.N8by rezereThe year is 2601. The Earth has been long conquered by aliens. You run a gang of mutant pirates. Rob aliens and their human proxies for fun, profit and power. But that is only just a beginning1.4k downloadsupdated 3 y ago
- Open Xcom Files - Lightning Weaponsby FishyFin1636161432Add a new electric and EMP type of weapon to Open Xcom Files1.3k downloadsupdated 3 y ago
- TFTD Vanilla/DOS - Gauss Coelecanth Research Fixby starslabRemoves the absurd 'Alien Sub Tech' prerequisite for building the Gauss Coelecanth. It may be built as soon as you've researched the Gauss Cannon that sits on it.1.2k downloadsupdated 7 y ago
- TFTD Vanilla/DOS - Magnetic Navigation fixby starslabAdds a 'Navigator Interrogation' prerequisite to research Magnetic Navigation, similar to the Vanilla/DOS TFTD experience.1.1k downloadsupdated 7 y ago
- Return to The Deepby NastyKhanMake TFTD less annoying and more fun by rebalanced difficulty, more intuitive tech tree and expanded lore.1.1k downloadsupdated 5 y ago
- OXC FACTIONSby Luke83Hybrid Mod of UFO & TFTD with an Alternate timeline. What if the Aquatic Aliens awoke early and help win the first war, what if our planet was conquered & our civilisation was lost ? Are you Brave enough to rise up and lead the resistance?940 downloadsupdated 7 y ago
- Advanced Medikitby hellrazorAdds a series of medikits to X-com Equipment, corpse based research needed.895 downloadsupdated 8 y ago
- TFTD Cheat Suiteby starslabSimple vanilla CheatSuite to make all aspects of the game easier and faster891 downloadsupdated 7 y ago
- Orion's Shadowby IovanNew campaign. Rival faction to XCOM that must be defeated while the alien threat is ongoing or risk losing before ever reaching mars.886 downloadsupdated 22 mo ago
- Power Suit Upgradeby baconiaThis mod simply allows the commander to manufacture Flying Suits from surplus Power Suits in storage.689 downloadsupdated 8 y ago
72 r&d mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.