(pictured above) was recently updated to include one new level. This horizontal shooter with 3D graphics is a work in progress, featuring two playable stages. [direct download link
The updated version for Sonic Ironstorm
which includes new levels will be released sometime in September. [direct download link, screenshots
A screenshot from Nigoro's upcoming shooter game
was recently posted on their development journal.
New screenshots added to Soldner-X's media page
gets a new update.