DuckStation is an emulator of the Sony PlayStation console. The tag "duckstation-incompatible" indicates that DuckStation does not emulate the production correctly. For example, the incompatibility can be so severe that only a black screen is displayed, or it can be more subtle, such as when a certain graphical element is not rendered correctly.

HitMod is a tool for playing MOD music files on the Sony Playstation 1 (PSX), developed by Silpheed/Hitmen. It can be downloaded from the Tools part of the Hitmen homepage.

A trainer offers one or more cheats like unlimited lives, invincibility, more ammo etc. Because this is done during runtime a trainer is not to be confused with a savegame editor.