G.rev
| Company type | Yūgen gaisha | 
|---|---|
| Industry | Video games | 
| Headquarters | Japan | 
| Products | Arcade shoot 'em ups | 
| Number of employees | 10 (2011) | 
| Website | grev.co.jp | 
G.rev Ltd. (有限会社グレフ, Yūgen Gaisha Gurefu), short for G.revolution, is a Japanese video game developer. The company was founded by former employees of Taito's arcade division who had worked on G-Darius and RayStorm, and is known primarily for their arcade shoot 'em up games.