UFO Screenshots
It is the year 2084. You control a secret organisation charged with
defending Earth from a brutal alien enemy. Build up your bases, prepare
your team, and dive head-first into the fast and flowing turn-based
combat.

UFO: ALIEN INVASION is a squad-based tactical
strategy game in the tradition of the old X-COM PC games, but with a
twist. Our game combines military realism with hard science-fiction and
the weirdness of an alien invasion. The carefully constructed
turn-based system gives you pin-point control of your squad while
maintaining a sense of pace and danger.

Over the long term you will need to conduct
research into the alien threat to figure out their mysterious goals and
use their powerful weapons for your own ends. You will produce unique
items and use them in combat against your enemies. If you like, you can
even use them against your friends with our multiplayer functionality.

'UFO: Alien Invasion'. Endless hours of gameplay -- absolutely free.

The game takes a lot of inspiration from the X-COM series by Mythos and
Microprose. However, it's neither a sequel nor a remake of any X-COM or
other commercial title. What we as a team wanted to make is a brand new
experience that tries to surpass the quality of games from 1992, rather
than simply recreate them with flashier graphics.

We also believe that open-source projects don't
need to be disorganised or badly-managed. We work together in a
friendly and professional way, with a clear vision for a game that we
know is worth playing.

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1 comment by mattn on Nov 10th, 2013

A new game I'm working on is now available for Android. If you like the game, please rate it.


CaveExpress is a classic 2D platformer with physics-based gameplay and dozens of levels. Master your pedal-powered flying machine to pick up packages from your cave-dwelling clients and drop them off
at the collection point. But beware! Mighty mastodons, terrifying pterodactyls and others would rather see you extinct.

I'm also working on a Windows version released on Desura. It will be available soon.

Caveproductions.org
Play.google.com

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UFO: AI - Crystan OST

UFO: AI - Crystan OST

May 9, 2012 Music 3 comments

These are the tracks i composed for UFO: Alien Invasion. Some of them havn't made it into the release for various reasons - they're tagged as unused.

UFO: Alien Invasion 2.4

UFO: Alien Invasion 2.4

May 5, 2012 Full Version 0 comments

A dozen new maps to battle aliens Rescue soldiers in dropships shot down by aliens and retreat from battles New particle and sound effects for weapons...

UFO: Alien Invasion 2.3.1 MacOSX

UFO: Alien Invasion 2.3.1 MacOSX

Nov 30, 2010 Full Version 0 comments

UFO: Alien Invasion has released 2.3.1. This release is a bug fix for the stable 2.3 release and maintains compatibility for all saved games under 2.3...

UFO: Alien Invasion 2.3.1 Windows

UFO: Alien Invasion 2.3.1 Windows

Nov 30, 2010 Full Version 3 comments

UFO: Alien Invasion has released 2.3.1. This release is a bug fix for the stable 2.3 release and maintains compatibility for all saved games under 2.3...

UFO: Alien Invasion 2.3 Linux

UFO: Alien Invasion 2.3 Linux

Jun 18, 2010 Full Version 2 comments

The UFO:AI development team is proud to announce the release of UFO: Alien Invasion Version 2.3. Two years in the making, this version features loads...

UFO: Alien Invasion 2.3 MacOSX

UFO: Alien Invasion 2.3 MacOSX

Jun 18, 2010 Full Version 0 comments

The UFO:AI development team is proud to announce the release of UFO: Alien Invasion Version 2.3. Two years in the making, this version features loads...

Post comment Comments  (210 - 220 of 241)
Craftan99
Craftan99 Oct 10 2010, 12:31pm says:

A Question, Can the aliens attack your base? If so that would be great :D

+2 votes     reply to comment
madtoaster
madtoaster Dec 1 2010, 6:38am replied:

Yeah, totally! @Craftan99. The whole map is the design of your base, with some extra stuff ontop.

+2 votes     reply to comment
Deloused
Deloused Oct 2 2010, 5:59pm says:

it feels just like the '99 game, add an extensive Lore and storyline, plenty of stuff to read in UFOpeadia.

I actually played it till my eyes bled.

+2 votes     reply to comment
Raphiell
Raphiell Jul 6 2010, 9:41pm says:

my game crashes/freezes every-time i try to go into fighting area (eg: crash site, farm) anybody know anything about this?

+1 vote     reply to comment
filiepgroh
filiepgroh Jul 16 2010, 1:43pm replied:

Same happens here, but only when I'm playing on full-screen, try playing in window mode and also, turning on compatibility mode might help.

+1 vote     reply to comment
magiguy101
magiguy101 Dec 13 2010, 12:43pm replied:

Exactly the same, only crashes on full-screen mode, but windowed mode can't be changed, so I cant use the edge-of-screen scroll... bugfix, patch needed

+2 votes     reply to comment
mattn
mattn Dec 19 2010, 4:48am replied:

you can edit your config.cfg (see Ufoai.ninex.info for the path) and change the cvar r_fullscreen to 1

it would be nice if you could make bugreports about found issues on our tracker at Sourceforge.net which info about the windows version you are using, the architecture and so on. attach your ufoconsole.log, every little piece of info might help to fix those issues. thanks for your help

+2 votes     reply to comment
MadMonkey119
MadMonkey119 Jul 5 2010, 10:22pm says:

Ooh, got to tell my dad about this!!

+2 votes     reply to comment
LR01
LR01 Jul 5 2010, 3:19am says:

Wow, this has been here for 6 years? I never noticed it to.

0 votes     reply to comment
Matt_Bak3r
Matt_Bak3r Jul 3 2010, 1:43am says:

awsome

+1 vote     reply to comment
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UFO: Alien Invasion
Platforms
Windows, Mac, Linux, Android
Developer & Publisher
UFO: Alien Invasion Team
Engine
id Tech 2
Contact
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Official Page
Ufoai.org
Release Date
Released Dec 30, 2003
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Community Rating

Average

9.1

491 votes submitted.

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Ratings closed.

Highest Rated (18 agree) 10/10

great fun! worth downloading!

Nov 18 2010, 3:41pm by Dudok22

Style
Genre
Turn Based Strategy
Theme
Sci-Fi
Players
Single & Multiplayer
Project
Indie
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498 of 23,487
Last Update
9 months ago
Watchers
1,428 members
Files
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News
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Features
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Reviews
103