Bots in online matches
To provide a better online playing experience, only partially filled matches will be filled up with bots. Bots will be automatically removed as more human players enter the match. That way, you will always have a full arena offering competent opponents.
New and improved powerups
The somewhat lackluster healkit powerup has been replaced with the wrecking ball powerup: Ram opponents to score points, but regard that you need to back up before ramming the same target again.
The key powerup has been beefed up significantly: It now gives you a master key to every locked door in the arena for a couple of seconds, and when you use it on any door, after a brief delay the door gets permanently locked on both sides for a few seconds. You can of course open the door again with your key. That way you can turn any door into a safe escape route - provided your pursuer doesn't have a master key, too ...