List of pre-configured KEY files

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Required
Also listed on the wiki's game compatibility list, the following games have button combinations required for core gameplay that cannot be used by default due to interfering shortcuts. While most retain access to all shortcuts via shortcut or button relocation, due to their higher than average number of button combinations, Treasures of the Deep, Wing Commander, and Wing Commander: The Secret Missions required the removal of several system shortcuts to ensure game compatibility. When feasible, multiple KEY files are listed to allow users to choose their preferred remapping. As Final Fantasy VIII only requires its L2+R2 button combination once for the X-ATM092 boss fight, an alternate key file that returns the mapping of the shoulder and trigger inputs to normal can subsequently be used.

Optional features
The following games have optional gameplay features that require the use of button combinations that include SELECT. As the in-game time setting of Pokémon Gold and Silver can only be adjusted once via the official method, should you be playing Pokémon Gold, the use of that game's RTC Changer ROM hack is recommended instead. As the Game Boy and Game Boy Color games below are all emulated by the gnuboy emulator, their controls can be alternatively remapped via the use of that emulator's configuration file. A pre-configured version of that file that adds additional mappings of FN and START to the device's shoulder buttons can be downloaded here and optionally palette-modified according to the instructions of this tutorial. The gnuboy.rc file should then be placed in the /mnt/FunKey/.gnuboy location of the FunKey S file system. If you don't see the .gnuboy folder, your computer's Unix-based operating system is hiding hidden folders.

Cheat codes
The following PlayStation games are known to have cheat codes that require the use of one or more button combinations for activation. Due to Syphon Filter having several complex button combinations that together use nearly all the device's inputs, its button combinations have been grouped into two categories with differing KEY files to make the most of the available inputs. While regular gameplay of Tomb Raider: The Last Revelation is still believed to be possible despite the extensive control scheme modifications made by its KEY file, for a better gameplay experience when cheat code entry is not needed, the return to regular controls is recommended.