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Games - Video/Audio modes and extra functionality

In the wild west of x68000 game development, there doesn't seem to be much in the way of standards across games. This can include switching to 31Khz or turning on MIDI audio or different controls. Luckily someone before me has gone through and documented much of this very important information, so important that it would be a shame for it to disappear one day. This page serves the purpose of a backup, and an extension of this information.

Settings and Notes

Name	Default Video Mode	Optional Video Mode(s)	Notes
After Burner	15kHz	31kHz	Mouse, Trackball, Micom Analogue pad, Cyber Stick (CZ-8NJ2) support. Mousepad included. On machines with 2MB of RAM or more, hold SHIFT while loading to load the entire game into memory.
Ajax	31kHz	15kHz - hold down the HELP key when first booting	Ajax is a three-button game, and can be played as such using the keyboard. Using a joystick reduces the number of buttons to two.
Akumajou Dracula	31kHz		The famous X68000 version of Castlevania. Requires a blank disk for saving, or to hard disk. At the music selection screen, press the XF1 and G keys together to enable GM music.
Alien Syndrome	31kHz	15kHz
Argus no Senshi (Rygar)	31kHz
Arkanoid Revenge of DOH	31kHz	15kHz – hold down the OPT1 key when first booting	16MHz runs too fast. Mouse/Trackball support.
Atomic Robo-Kid	15kHz		For MIDI support, hold down F1 when booting
Baraduke	31kHz	15kHz, 24kHz – press HELP to switch resolutions	On the high score table, enter your name as JUNKO, KISSY or TAKKY and observe the result.
Battletech	31kHz
Bomberman	31kHz
Bonanza Brothers	31kHz	15kHz
Bosconian	31kHz		To advance to the next stage, press the Q, E, T and U keys together while playing the game. If you turn the code key on, you'll hear an echo of the sampled voice.
Bubble Bobble	31kHz	15kHz
Butasan	31kHz	15kHz – press HELP to switch resolutions
Chelnov	31kHz	15kHz – press HELP to switch resolutions	Megadrive joypad adapter included, as three buttons are required
Chourensha	31kHz (Narrow)	31kHz (Wide), 15kHz, The display can be rotated	Free downloadable doujinsoft
Chuka Taisen	15kHz	31kHz - press F1 to alternate
Code Zero	15kHz
Columns	31kHz
Cotton	31kHz (384 x 256)	31kHz (512 x 256), 15kHz (448 x 240), 15kHz (512 x 240)
Crazy Climber 1/2	31kHz		Crazy Climber 2 requires 2 MB, makes use of the XPD-1LR joypad (included with Libble Rabble). To load Crazy Climber 2, boot the game from Drive 1.
Cybercore	31kHz		Can be run from hard drive, as long as the disk is in Drive 0. The program name is “Y.x”
D-Return	31kHz		16MHz runs too fast
DaiMakaiMura (Ghouls’n Ghosts)	15kHz	31kHz	Menu navigation:
			1. Button 1
			2. Down
			3. Button 1
			4. Down 4 times
			5. Left/Right to select resolution
Dash Yarou	31kHz		Cyber Stick (CZ-8NJ2) support
Detana!! Twinbee	31kHz	15kHz – use F2 to select, F1 to revert to 31kHz	Pressing [ESC] in-game and then F3 enables a pseudo-vertical mode. If you have more than 2MB of memory, hold down HELP while booting to load the entire game into memory. This has a music mode like Parodius. Run SD_DRV.BAT from the command line.
Dig Dug/Dig Dug II	31kHz		To load Dig Dug II, boot the game from Drive 1
Dive On	31kHz (384 x 256)	31kHz (256 x 256), 15kHz (256 x 256), 15kHz (512 x 256)
Downtown Nekketsu Monogatari (River City Ransom)	31kHz	15kHz – hold down the HELP key when first booting
Dragon Buster	31kHz		24kHz – press HELP to switch resolutions
Dragon Spirit	31kHz (256 x 256)	31kHz (512 x 256), 15kHz (256 x 256), 15kHz (512 x 256) The display can be rotated	Run in 10MHz or music is messed up. Some releases includes a flag. Try setting the internal clock to between midnight and 1:00AM
Dungeon Master	31kHz
Dynamite Duke	31kHz