It is the year 2084. You control a secret organization charged with defending Earth from a brutal alien enemy. Build up your bases, prepare your soldiers, and lead them to victory in turn-based tactical combat.

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CaveExpress
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CaveExpress

Nov 10, 2013 1 comment

A new game I'm working on is now available for Android.

Important update to saved games
UFO: Alien Invasion

Important update to saved games

Sep 5, 2013 UFO: Alien Invasion 0 comments

We've made an important change to the directory where save games are stored. If you play our latest development version (2.5-dev), read more to find out...

Monthly development report, August 2013
UFO: Alien Invasion

Monthly development report, August 2013

Sep 2, 2013 UFO: Alien Invasion 1 comment

This month saw a burst of activity, with bug fixes across all major systems, dramatic balancing changes to soldier advancement, improvements to the alien...

Working towards an official Debian release
UFO: Alien Invasion

Working towards an official Debian release

Aug 21, 2013 UFO: Alien Invasion 1 comment

Are you a Debian/Ubuntu/Mint gamer? Help apo, a member of the Debian Games Team, by testing the latest packages.

Monthly update for July, 2013
UFO: Alien Invasion

Monthly update for July, 2013

Aug 6, 2013 UFO: Alien Invasion 2 comments

Woops. I forgot to post the June update. Here's the development update for July!

Monthly updated for May, 2013
UFO: Alien Invasion

Monthly updated for May, 2013

Jun 11, 2013 UFO: Alien Invasion 1 comment

Our monthly development report. We're still making progress!

Give our server team some love
UFO: Alien Invasion

Give our server team some love

May 26, 2013 UFO: Alien Invasion 3 comments

We're asking for some donations for the server which hosts our website and lots of development tools we use to make the game.

Monthly update for April 2013
UFO: Alien Invasion

Monthly update for April 2013

May 26, 2013 UFO: Alien Invasion 0 comments

What we got done in April. Steady progress towards 2.5.

Monthly update for March, 2013
UFO: Alien Invasion

Monthly update for March, 2013

Apr 25, 2013 UFO: Alien Invasion 4 comments

An overview of our development progress in March. Lots of little fixes.

Monthly update for February, 2013
UFO: Alien Invasion

Monthly update for February, 2013

Mar 27, 2013 UFO: Alien Invasion 4 comments

In February, getting closer to a 2.5 release, most work was done in fixing bugs and improving existing features.

"Hive Mind" released
UFO: Alien Invasion

"Hive Mind" released

Mar 14, 2013 UFO: Alien Invasion 0 comments

Christy and Gary Bonn have released the first volume in their series of novels which follow the men and women of PHALANX as they battle to protect earth...

Monthly update for January 2013
UFO: Alien Invasion

Monthly update for January 2013

Feb 6, 2013 UFO: Alien Invasion 2 comments

We're gearing up now for 2.5's release. It's not imminent, but we're starting to talk about where to draw the line on features, which is always a sign...

New Issue Tracker
UFO: Alien Invasion

New Issue Tracker

Jan 29, 2013 UFO: Alien Invasion 1 comment

We have a new tracker for bugs, feature requests and patches.

Monthly update for December, 2012
UFO: Alien Invasion

Monthly update for December, 2012

Jan 14, 2013 UFO: Alien Invasion 8 comments

In December mattn finally solved the terrible multi-threading issue which was causing so much instability in 2.5-dev. It was a month full of bug fixes...

UFO: Alien Invasion Fan Fiction
UFO: Alien Invasion

UFO: Alien Invasion Fan Fiction

Dec 18, 2012 UFO: Alien Invasion 1 comment

Gary Bonn has written a dozen short chapters inspired by the game.

UFO: AI makes the finals in the Indie of the Year 2012
UFO: Alien Invasion

UFO: AI makes the finals in the Indie of the Year 2012

Dec 11, 2012 UFO: Alien Invasion 4 comments

IndieDB's competition enters its final round with the Top 100 games.

Monthly update for November, 2012
UFO: Alien Invasion

Monthly update for November, 2012

Dec 9, 2012 UFO: Alien Invasion 5 comments

November was a big month for the game's development. All the major pieces in the campaign rebalancing for 2.5 were completed and a load of new features...

Vote for us for Indie Game of the Year
UFO: Alien Invasion

Vote for us for Indie Game of the Year

Dec 2, 2012 UFO: Alien Invasion 6 comments

IndieDB has opened voting for the Game of the Year. Vote for UFO: Alien Invasion today.

UFO: AI on Android V2.5.0.07 released
UFO: Alien Invasion

UFO: AI on Android V2.5.0.07 released

Nov 17, 2012 UFO: Alien Invasion 4 comments

Pelya released a new version of the Android port of UFO: Alien Invasion.

The alien invasion will not be tweeted
UFO: Alien Invasion

The alien invasion will not be tweeted

Nov 16, 2012 UFO: Alien Invasion 5 comments

Random notes from our developers, however, will be tweeted. So follow us @ufoai for updates as we work on finishing version 2.5.

Sourceforge Project of the Month - Vote Now
UFO: Alien Invasion

Sourceforge Project of the Month - Vote Now

Nov 6, 2012 UFO: Alien Invasion 5 comments

Vote for us to be named Sourceforge's Project of the Month for December.

Linux Game News chose UFO: Alien Invasion as the best open-source game
UFO: Alien Invasion

Linux Game News chose UFO: Alien Invasion as the best open-source game

Sep 24, 2012 UFO: Alien Invasion 5 comments

Linux Game News chose UFO: Alien Invasion as the best open-source game in their turn-based strategy category.

New Aliens
UFO: Alien Invasion

New Aliens

Jun 26, 2012 UFO: Alien Invasion 4 comments

The UFO:AI development team is proud to announce that new aliens arrived on the battlefield!

Improved Air Combat
UFO: Alien Invasion

Improved Air Combat

Jun 13, 2012 UFO: Alien Invasion 6 comments

The UFO:AI development team is proud to announce that we made the first steps towards a new improved air combat system.

New soldier models & UI Update
UFO: Alien Invasion

New soldier models & UI Update

May 30, 2012 UFO: Alien Invasion 2 comments

The UFO:AI development team is proud to announce that we have finally merged the new soldier models into 2.5-dev version.

News Update
UFO: Alien Invasion

News Update

May 20, 2012 UFO: Alien Invasion 2 comments

The UFO:AI development team is proud to announce the launch of the UFO:AI Facebook page. Its the first step of our new marketing measures - please like...

2.4 Released
UFO: Alien Invasion

2.4 Released

May 5, 2012 UFO: Alien Invasion 6 comments

The UFO: Alien Invasion development team is proud to announce the release of UFO:Alien Invasion version 2.4.

Interview with the "UFO:AI" team~
UFO: Alien Invasion

Interview with the "UFO:AI" team~

Feb 9, 2012 UFO: Alien Invasion 4 comments

Join mattn and geever, the lead programmers for "UFO: Alien Invasion", as they share their experience about working on this free open-source game, overcoming...

Android port available in market
UFO: Alien Invasion

Android port available in market

May 20, 2011 UFO: Alien Invasion 5 comments

UFO:Alien Invasion (2.4-dev) Android port available in market

Particle Effects Video
UFO: Alien Invasion

Particle Effects Video

Dec 12, 2010 UFO: Alien Invasion 3 comments

The UFO:AI Developement Team has released a Video that demonstrate some of the new sound and particle effects which will be featured in Version 2.4

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UFO: Alien Invasion
Platforms
Windows, Mac, Linux, Android
Developer & Publisher
UFO: Alien Invasion Team
Engine
id Tech 2
Contact
Send Message
Official Page
Ufoai.org
Release Date
Released Dec 30, 2003
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