The first DSiWare title from Arc System Works an episode of Jake Hunter. Detective Jake Hunter: Whereabouts of the Camellia is a downloadable detective adventure.

Last month we revealed Aksys was working on localizing Theresia, a Shadowgate style horror game developed by Workjam. You know the Workjam that created Jake Hunter: Detective Chronicles and the long linage of Tantei Jinguji Saburo titles. Theresia is quite different from both of these since the goal is to help two characters escape a [...]

At the Guilty (Gear) Pleasures panel at this weekend's Anime Expo in Los Angeles, Aksys announced the English-language localization of Theresia, a survival horror DS game developed by Workjam and Arc System Works.
 
The interactive exploration title is in the tradition of Shadowgate, though in three-dimensional environs.  There are time-based puzzles involving poking around the caverns [...]