Strider II (released in North America under the title of Journey from Darkness: Strider Returns), is a side-scrolling platform game published by U.S. Gold (under license from Capcom USA) and originally released for various computer platforms (Amiga, Amstrad CPC, Atari ST, Commodore 64, Game Gear, Master System, Sega Genesis, ZX Spectrum) in 1990. It is a European-developed sequel to Capcom's arcade game Strider, which U.S. Gold previously ported to home computers in Europe. The game was developed by Tiertex. More information on WIkipedia.

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.