
ASTEC21 (Amusement Soft & Technology 21) is an Osaka-based developer, known for the Azito series. While the ASTEC21 name is currently inactive, its adults-only sub-brand, Atelier Kaguya, is active.
ASTEC21 has been active in the gaming industry from 1996 to 2000, with 5 titles tracked on PlayPile. Their catalog primarily spans Strategy, Card & Board Game, Simulator, with additional titles in other genres. Games from ASTEC21 are available across 3 platforms, most notably PlayStation, PlayStation 3, PlayStation Portable.