| Awards | Changelog | Cheats | Codes Codex | Compatibility | Covers | Credits | DLC | Help Localization | Manifest | Modding | Patches | Ratings Reviews | Screenshots | Soundtrack Videos | Walkthrough | |
|---|---|
| Achievements GOG | In-Game | Origin | PlayStation Trophies | Retro Steam | Xbox Live |
In order to unlock the hidden bonus ZSB game, the player must make it through the first six levels of the game in the Normal mode, which ZSB will appear on the main menu as the third option to choose from then. (Note: ZSB will not be unlocked if the player makes it through all levels on the Hard+ mode.)