UFO2000 is a multi-playable remake of
Microprose's X-COM: UFO Defense that uses
the Allegro game programming library. It can use the data files from original game, but does not require them.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
A bug with a blind spot in soldier visibility was corrected. The visibility of flying soldiers vs. ground soldiers was balanced. The developer's guide was updated. Electroflares were added. Friendly units now have light around them when walking at night. Chryssalids added. A dawn city was added to the repository. Medikit support was added. Comments were added some function definitions were cleaned. Assorted bugs were fixed.
The development branch brings a lot of major changes like the availability of a free set of graphics, much improved performance, high portability (x86, AMD-64, PPC, and ARM), night missions support, the ability to continue interrupted games on the server, and many other improvements.
This version added support for different mission scenarios, internationalization, many user interface improvements, lots of help messages, a help system, a better looking and themable GUI, morale and panic support, an increase of the squad size limit from 10 to 15, and many other bugfixes and improvements.
Different audio formats are now supported. Battlescape now use a soundtrack by ATeX from project Xenocide. The Airfield terrain type has been added (by Twilight Owl). An alternative keymap switch for notebook users (F9 key) is now supported.