Released to honor the 20th anniversary of Space Harrier, this is a compilation of emulated Space Harrier games for the Playstation 2. It includes Space Harrier, Space Harrier 3D, and Space Harrier II. There are multiple versions of Space Harrier (including the Master System and Game Gear version), the option for a 2D and 3D mode for Space Harrier 3D, and a host of archived materials. The manual includes additional commentary from the original developers.