Little Busters!

From what i know there are additional routes in ecchi version + they want to fix word wrap.

There is two more characters, there is alos like 70% more content for KUD and so fort, so do not expect the patch within a year at least.

To be specific, the EX edition of Little Busters upgrades two characters to heroine status with their own routes, along with adding an all new heroine and route- and of course adding H content to the game as a whole.

Technically they released a patch that works with EX, however it hasn't translated ANY of the added content thus resulting in a product that, aside from some compatibility issues, is pretty much the same as basic Little Busters.

To clarify the information provided by above two posters:

By installing the EX english patch on the EX version, you get a fully "functional" but not polished version of English Little Busters Original.

This means:

1) You don't get into the 2 other heroine routes.
2) All the eroero are being taken out (no CG, no gallery, no scene).
3) Your savegame (route completion and progress) will become incompatible with the Japanese EX version (and perhaps also the future English fantrans EX version)
4) Some paths/sprites/scenes which are only available on EX, this includes those from LB-heroines (not just Kud).
5) The current EX patch confidently allow you to complete all LB (not-EX) routes and would not crash your EX game.