Brian released ONScripter for Nintendo Wii, it is an opensource cross-platform clone of the NScripter Visual Novel engine. The original ONScripter was written by Opagee the fork that supports the English language is maintained by Haeleth

Changes:

– updated to latest svn version of ONScripter-En
– Fixed crash when playing mp3 files
– added missing default.ttf to the test game

http://wiibrew.org/wiki/ONScripter