Release 4
-story finale
-27 new unique looping animations with custom sound from 3 voice actresses
-400+ new rendered still shots in game scenes
-scene replayer at the end of the game
-6 ending (technically 12 based on certain variations)
-various bug fixes and grammar fixes

Release 3
-story continues
-12 new unique looping animations with sound
-100+ new rendered still shots in sex scenes
-scene replayer on R3 computer
-5 new locations
-introduction to Eve
-various bug fixes and grammar fixes

Release 2.1
-Rebecca's character is now completely voice acted
-Small bug fixes
-Switched gym doors so navigation is less confusing
-minor story/dialogue tweaks

Release 2
-various small bug fixes
-Minigame from release 1 is now far less harsh, the time has been extended and half as many quicktime events are necessary
-Story continues
-9 new locations
-Day cycle
-Introduction of Enigma
-6 new unique animated beast scenes featuring Rebecca, all animated with sound
-3 nighttime “play” scenes, 2 animated with sound
-3 Enigma zoo handling scenes, all animated with sound
-9 various misc scenes
-Every new animation has sound (if appropriate)
-New menu loop
-New splash screen featuring new logo
-Option to skip release 1 content if you’ve already played through it

Release 1
Initial release