Originally released for the PSP and Wii, this title is part of the Kamen Rider: Climax Heroes series.
The .7z extension indicates the file was created using 7-Zip , an open-source tool known for high compression ratios and AES-256 encryption.
: Typically includes a PSP disc image (ISO) and sometimes save files or cheat codes for the game. About Kamen Rider Climax Decade