OpenXcomMods / aliens
OpenXcom mods
OpenXcom aliens mods
Everything filed under aliens by its own author, ordered by how much it is used.
83 aliens mods, most downloaded first · newest update 13 Oct 2026
AllUFO Defense343Minor239Equipment154Battlescape143Graphics120X-COM Unit101Terror From The Deep93Craft89Audio85aliens83Geoscape83R&D72Major59Base Facility57Incomplete49Total Conversion27Megamod22Tool15
83 aliens mods
- Mars-comby NordX-com on Mars. After the TFTD, before the Interceptor and Apocalypse. From the author of TWoTS and X-Chronicles. OXCE only.581 downloadsupdated 1 mo ago
- Waspiteby AnzaiJirouits a old mod from the old form457 downloadsupdated 7 y ago
- Alien Hivesby HobbesOXCE. Alien bases will launch interceptors against XCom craft and bases. UFO bomber-interceptors will be upgraded as months progress.456 downloadsupdated 17 mo ago
- PYRAMID UFO - BY I.D.Tby Luke83A new Collection of Pyramid UFOs that where inspired by some unused Game data found in the original UFO install that grew into a 9 ufo set.447 downloadsupdated 7 y ago
- Better Small Torpedoesby Starving_PoetSame as Better Small Rockets - small torpedoes are now clip size:2 and have adjusted torpedo damage values to the same as xcom 1.441 downloadsupdated 7 y ago
- Hunter Killer UFOsby HobbesOXCE. Medium/Large Scouts, Terror Ships and Battleships may now attack XCom craft. Soldiers may die when their transport is shot down by hunter-killers.438 downloadsupdated 17 mo ago
- DOOM: Hell and Fireby ReugedRip and Tear until it's done428 downloadsupdated 22 mo ago
- Spacemen Remixby HobbesOXC. Alien mixed crews may appear during all Earth missions.409 downloadsupdated 17 mo ago
- Chryssalids can be Explodedby chaosshadeFor all your Chryssalid exploding desires!377 downloadsupdated 7 y ago
- Close Encountersby HobbesOXCE. Alien spotters/snipers added. Alien melee units will charge more aggressively.376 downloadsupdated 17 mo ago
- Muton Warlordsby HobbesOXCE. Muton UFOs can bombard XCom bases, either partially or even totally destroy them. Muton Commander/Leader added.373 downloadsupdated 17 mo ago
- (Discontinued) OpenScarfComby greenscarf(Discontinued) Total Conversion for QOL & Replayability351 downloadsupdated 3 y ago
- Night Terrorsby HobbesOXCE. Alien bases can now spawn terror sites, in addition to supply missions. Terror sites will disappear once their timer runs out, even when targeted by XCom craft.349 downloadsupdated 17 mo ago
- X-Com Files: Random Enemy Statsby KozinskySubmod for "X-Com Files" mod. All enemies and neutrals have a stat spread of 80-120% of their base value.306 downloadsupdated 2 y ago
- Project Xenophobia (XCF)by idkincAdds large amounts of content to the X-com Files including but not limited to multiple new weapon trees multiple new missions multiple new balistic weapons and new mechanics that are better explained ingame261 downloadsupdated 15 mo ago
- FatRed's Miscellaneous Rebalancesby fatredbird2Makes some minor tweaks to a variety of game aspects.223 downloadsupdated 13 mo ago
- [TFTD] Expanded Aliensby Daev1675441619Adds a new race of aliens as well as some variety to existing aliens214 downloadsupdated 4 y ago
- Crewsby MesonchanThis mod adds variety to alien crews, featuring more unique terror units, elite warriors and weapon types, plus introduces number of other updates for better balance and more strategic depth151 downloadsupdated 15 mo ago
- Waspite problem was fixedby GroberNithoWith this file fixing problems and become work, Use it who dislike writting codes. :)148 downloadsupdated 5 y ago
- Outerworldly Physicsby HobbesOXCE. Smoke is 25% less effective blocking alien vision. Electroflare light power reduced by 25%.146 downloadsupdated 17 mo ago
- Dia de los Muertos - Zombies [CTO Submod]by efrenespartanoFight a rising zombie infection at the same time you keep the terrorist at bay!146 downloadsupdated 12 mo ago
- FatRed's Alien Interceptionsby fatredbird2Alien bases now generate interception and patrol missions to defend their airspace.141 downloadsupdated 14 mo ago
- DOOM: Hell and fire. Refinedby ssg-enjoyerMy own version of DOOM: Hell and fire. with doom sfx added. If you want me to add something or make a change please let me know. original creators : reuged and efrenespartano140 downloadsupdated 9 mo ago
- Xcom Scavengersby Jot_666999No alien devices can be produced, Air2Air missiles are expensive, Alien soldier stats are better (Xcom too), psionics is a game of Ethereals, research tree is longer, some researches are now very useful, a lot of items with new prices.104 downloadsupdated 3 y ago
- XCultby Kalamona666huAn urban fantasy themed total conversion of the UFO game - lead a mystic cult on their path of freeing a psionic entity.79 downloadsupdated 6 mo ago
- (TFTD) Alien deployment tweaksby TrolFeyzeReduces the number of DPLs aliens will use, adds slightly more variety in alien loadouts, and changes when Lobstermen + Tasoth appear.78 downloadsupdated 19 mo ago
- Alien Orbby HobbesAdds the Alien Orb, which can be recovered as salvage from Terror Ships, Battleships and Alien Bases.77 downloadsupdated 12 mo ago
- Sectopod Laser Fixby chaosshadeAdds a custom laser fix for a long-standing bug with Sectopod bullet sprites.60 downloadsupdated 3 y ago
- Xcom Scavengers 2.0 and Scavengers Hardcoreby Jot_666999Scavengers2.0: No Alien goods can be produced, but a lot of Alien goods is required for building new toys or facilities. Scavengers Hardcore: Psi is ONLY for Aliens, and no Alien-made goods can be sold for profit.57 downloadsupdated 2 y ago
- UFOpaedia Celatid Modby hellrazorMore lore friendly Celatid alien Vanilla Unit. This mod makes the Celatid behave like described in the UFOpaedia, it can "feel" X-Com units through solid walls and objects within a range of 13 tiles and it will clone itself every 7 Alien turn. :)47 downloadsupdated 21 mo ago
- Hard Psionicsby DBarizoAliens Psi stats are improved by around 15-35%35 downloadsupdated 3 y ago
- Flytrap's Improvised Rebalancesby FlytrapI havent played the game enough to be that good at balancing it, but some tweaks were based off of Reaver's Rebalance33 downloadsupdated 4 mo ago
- Extradimensionalsby Lichking07A new mini faction for openxcom30 downloadsupdated 12 mo ago
- The Silver Man Alienby chaosshadeAdds a new alien called the Silver Man. Sorry for the UFO logo.27 downloadsupdated 5 mo ago
- Flytrap's Janky Alien Ranksby FlytrapLets you tell which alien is which rank at a quick glance.17 downloadsupdated 5 mo ago
83 aliens 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.