XOP Ultra Bundle - 12/17/2011

Original release

XOP Ultra Bundle R1 - 12/30/2012

Added online highscore support
Graphics tweaks

XOP Ultra Bundle R2 - 6/1/2013

Smooted enemy/background art
Added smoothing option
Added no borders mode
Added highscore browsing
Removed highscores from Beginner skill
XOP Black - Cancel mode simulated lag reduced by 10 FPS

XOP Ultra Bundle R3 - 2/23/2014

Removed Beginner skill
XOP Black - Expert skill now 10% more rapid enemy firing rate
XOP Black - Master skill now 5% less rapid enemy firing rate

XOP Ultra Bundle R4 DOS - 10/23/2014

Removed branding
Recompiled for DOS
Added command line options
Added extra menu option to disable score tags
