While specific contents vary by uploader, a "Super Bonus Pack" for a retro title usually includes:

It was a pioneer in 4-player arcade mayhem, featuring four distinct bounty hunters: Steve, Billy, Bob, and Cormano.

This specific package is generally associated with the franchise—a classic "run and gun" Western shooter originally released by Konami in 1991. The "7" and "SuperBonusPack" designations typically point toward:

Bundles containing high-definition textures, manual scans, and soundtrack files.

When handling .zip files from community forums or abandonware sites: