According to Famitsu news, a Playstation Portable game "Toradora!
" was announced. The story will be different from both the anime and the novel. The cast of the voice actors & actresses is the same as that of the anime. The game will be released in 2009.
Edited on Dec 10th==========
According to Famitsu magazine, an extra DVD will be bundled with the PSP game. The DVD contains a director's cut version of Toradora! anime episode, original novel and manga. A feature called "Motion Portrait" will be applied and the characters will be displayed with animations in the conversation parts.
Source :Scan of Famitsu magazine