Changes in revision 4:

* Localization support.
* Added Japanese localization (available in Options if not detected from web browser settings).
* UI graphics (for team select screen) is now preloaded.
* Fixed bug with the referee putting the game in kick-off even though the ball hadn't been fetched and properly placed yet, or not properly placing the ball after a goal.
* Fixed a rare crash when the game thought that the referee caused a kick-in.
* Players can no longer go into the opponents' half of the field during kick-off.
* The goalie can no longer catch higher-flying balls than the other players.
* If a kick-off or a kick-in takes more than 20 seconds, the referee will now call off the kick-off/kick-in and put the ball in general play.
* The goalie should now be much less prone to running far away from his goal.
* The goalie will now position himself better at kick-ins.
* Quite a lot of minor bugfixes.

Changes in revision 3:

* The game now runs less jumpy on slow computers, although it will still run a bit slower. Slow computers will also no longer experience more bugs than faster ones.
* Fixed compatibility with Firefox (1.5 and 2.0). If you're using a slow computer and find the game running a bit too slow in Opera, you should try running it in Firefox. You can play the game at http://henrikfalck.com/unrealsoccer/
* Demo Mode: continuously run computer vs computer five-minute games (available in Options).
* The widget now checks for updates and informs you if you're running the latest version or if an update is available.
* A computer player who receives the ball will now hesitate a little.
* The referee will now end the game also when the ball is out of play.
* Description and stats are shown also for teams you cannot select.
* The goalie for the four most tactical teams will more often try to catch the ball when it gets close to the goal.
* The goalie is now less prone to running into his own goal while carrying the ball (the other players still have an issue, albeit less grave, with this).
* The Vikings and The Script Kiddies will now play very offensively.
* Non-selected players in your team will now not just stand around (as was intended).
* Various bugfixes.

Changes in revision 2:

* You can now choose game time - 2, 5, 10, 20, and 30 minutes' games are available. In order to play against higher-rated teams the game time must be at least 10 minutes. (thanks Mystik for the idea)
* The referee won't drop the ball for kick-off until all players are on their respective side of the field, and all players on the team that's not doing the kickoff are keeping a distance from the ball
* The referee won't drop the ball for kick-in until all players on the opposing team are keeping a distance from the ball
* During kick-off and kick-in, players on the opposing team can't go within a certain distance of the ball
* You no longer lose control of your players after a goal
* The overtime is now much shorter, so games should not take much longer than the chosen game time
* Game time starts after initial kick-off (thanks Mystik)
* The ball will now properly hit and bounce off the goal posts
* Only highly tactical AI teams will now shoot directly at the goal from kickoff
* The goalie can now catch higher-flying balls than the other players
* The Robots should now be a little easier to beat
* A certain interval must now pass after a kick-in before the ball can go out of field again
* Added window title (thanks aleksanteri for pointing it out)
* If team name is so long it would require two lines in the score panel, a shorter name is used. (thanks Mystik)
* Some minor tweakings