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5 Patches
Debug: Jack Bros Unlock Debug Cheats

This patch re-enables two debug cheats for a level select and invincibility which normally couldn’t be accessed, because the programmers deactivated them for the final version of the game.

Author: Parasyte

Download (1 KB)
Debug: Single Press Debug Menu

With this patch applied, you only have to press Select once to activate the hidden debug menu, instead of the original 60 times in a row. Works on both USA and Japan versions.

Author: HorvatM

Download (220 B)
Debug: Unlock Debug Menus

This archive contains two patches to unlock menus, which are hidden in the Panic Bomber rom and are not accessible otherwise. They are a debug menu as well as a level select. For more information see the included readme.

Author: Parasyte

Download (1 KB)
Debug: Vertical Force: Unlock Debug Menu

This patch unlocks a debug menu, which contains a level select and a sound test. More info can be found in the included readme.

Author: Parasyte

Download (728 B)
Debug: Virtual Bowling: Unlock Debug Menu

This patch unlocks a debug menu. It was used for testing purposes in a beta version of the game, but was only deactivated instead of deleted. By changing only 1 byte, it can be re-enabled. More info in the included readme.

Author: Parasyte

Download (879 B)