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Mega Drive/Genesis - Overclock compatibility list

Sat, 01/04/2014 - 17:43 — barone

 

               
  Game Title Performance changes with 10 MHz overclock Performance changes with 12 MHz overclock Graphic issues Sound issues The game glitched/froze during overclocked gameplay (nick name, playing time, model, board revision, 68K brand/model) Additional notes
  Air Diver Runs significantly faster, doesn't look choppier anymore. Runs significantly faster, doesn't look choppier anymore.        
  Alien Soldier Dramatically reduces the slowdown in most of the boss fights, but you still notice it in some of them. No more noticeable slowdowns in the entire game; really impressive.        
  Arrow Flash Dramatically reduces the slowdown in most of the boss fights, but you still notice it in some of them. No more noticeable slowdowns in the entire game.        
  Awesome Possum           Analysis requested by goldenband
  Bio-Hazard Battle (Crying) Dramatically reduces the slowdown in 1P mode. In 2P mode, still some heavy slowdowns in spots. Removes the slowdown from 1P mode. 2P has light slowdowns in spots.        
  Comix Zone Removes the occasional slowdown. Removes the occasional slowdown.        
  Curse           Analysis requested by goldenband
  Cyber-Cop (Corporation) Frame rate improved but still a chore to play. Frame rate improved but still a chore to play.        
  Darius II (Sagaia) Removes the slowdown that occurred when fighting against some type of enemies. Removes the slowdown that occurred when fighting against some type of enemies.        
  David Crane's Amazing Tennis           Analysis requested by goldenband
  Double Dragon II Removes the permanent slowdown. Removes the permanent slowdown.        
  Duke Nukem 3D Reduces the permanent slowdown, noticeably increasing the frame rate. Reduces the permanent slowdown, noticeably increasing the frame rate.       At 12 MHz it seems to feel too fast/responsive, so the 10 MHz setting seems to be best here.
  Earthworm Jim No effect. No effect.        
  Earthworm Jim 2 No effect. No effect.        
  Eliminate Down Removes the occasional slowdown. Removes the occasional slowdown.        
  F-15 Strike Eagle II Reduces the permanent slowdown making the game playable. Reduces even more the permanent slowdown making the game more playable.        
  F-22 Interceptor Reduces the permanent slowdown making the game a lot more playable. Reduces even more the permanent slowdown making the game a lot more playable.        
  Fantasia       Messed up at 10 Mhz with lots of missing and wrong notes. At 12 Mhz, the sound is almost gone, with the occassional note playing. #1 villahed94, 30 minutes for each overclock setting, Genesis model 1, VA5/VA6, plastic Motorola 68000 8 MHz ( (68EC000P8) Needs to be verified in other models and board revisions.
  Gaiares Removes the occasional slowdown. Removes the occasional slowdown.        
  Gods           Analysis requested: "has slowdown when enough enemies that can fire are on screen. I didn't notice any till late lv 3 but you could probably find more if you let enemies live dangerously long." by Starmist
  Grind Stormer (V-V) Reduces the mega heavy slowdown during more intense moments, making the game not "broke" anymore. Reduces the mega heavy slowdown during more intense moments, making the game playable like any other good 16-bit shooter.        
  Gunstar Heroes Significantly less slowdown in 2P mode during some boss fights. No noticeable slowdown in 2P mode anymore.        
  Hard Drivin'           Analysis requested by goldenband
  Herzog Zwei           Analysis requested: "to see if it will still slowdown with the overclock. It takes a long session of fortifying to get it to that point though." by sheath
  Hit The Ice Significantly less slowdown during matches. No noticeable slowdown anymore.        
  Lotus Turbo Challenge (Lotus II on the Amiga) Runs significantly faster, closer to the original Amiga version. Runs a bit faster than with 10 MHz overclock.        
  Lotus II (Lotus III on the Amiga) Runs significantly faster, closer to the original Amiga version. Runs a bit faster than with 10 MHz overclock.        
  Mega Man: The Wily Wars Removes the permanent slowdown. Removes the permanent slowdown.        
  Mortal Kombat 3 Reduces the slowdown during combos and the permanent slowdown when fighting against/with Smoke. Reduces even more the slowdown during combos and the permanent slowdown when fighting against/with Smoke.        
  OutRun Removes the slowdown when you're overtaking cars but do NOT speed up the game like in Super Hang-On 'cause it's limited to 20 fps in software. Removes the slowdown when you're overtaking cars but do NOT speed up the game like in Super Hang-On 'cause it's limited to 20 fps in software.        
  Panorama Cotton Reduces the heavy slowdown in spots but do NOT speed up the game like in Super Hang-On 'cause its frame rate is limited in software. Reduces the heavy slowdown in spots but do NOT speed up the game like in Super Hang-On 'cause its frame rate is limited in software.        
  Psycho Pinball Keeps the scrolling smooth using the faster speeds and reduces the slowdown in multi-ball mode. Keeps the scrolling smooth using the faster speeds and reduces even more the slowdown in multi-ball mode.        
  Race Drivin'           Analysis requested by goldenband
  Road Rash Reduces the permanent slowdown making the game more playable. Reduces even more the permanent slowdown making the game more playable.        
  Road Rash II Reduces the permanent slowdown making the game more playable. Reduces even more the permanent slowdown making the game more playable.        
  Road Rash III Reduces the permanent slowdown making the game more playable. Reduces even more the permanent slowdown making the game more playable.        
  Rocket Knight Adventures Removes the slowdown when hitting bosses/lots of enemies. Removes the slowdown when hitting bosses/lots of enemies.        
  Samurai Shodown (Samurai Spirits) Removes the slodown in most cases, but it will still show slowness when fighting with Tam Tam (much more if both players chose him) and in Nakoruru's stage. Completely removes the slowdown.        
  Sonic Spinball Reduces the permanent slowdown and makes the scrolling significantly smoother. Removes the permanent slowdown and makes the scrolling significantly smoother.        
  Sonic The Hedgehog Removes the slowdown when Sonic loses his rings. Removes the slowdown when Sonic loses his rings.        
  Sonic The Hedgehog 2 Removes the slowdown when Sonic loses his rings. Also, it removes the slowdown in some stages. Speeds up the bonus stages (making them even harder). Dramatically reduces the slowdown in 2P mode. Removes the slowdown when Sonic loses his rings. Also, it removes the slowdown in some stages. Speeds up the bonus stages (making them even harder; I really don't recommend playing them at 12 MHz unless you're some sort of super Shinobi). Removes the slowdown in 2P mode.        
  Sparkster     Can't even get it to start. If started it in stock speed, halt and switch to 10MHz, the game just crashes.   #1 evildragon, 1 minute, Genesis model 1, VA3, ceramic Motorola 68000 12 MHz Needs to be verified in other models and board revisions.
  Streets of Rage (Bare Knuckle) Reduces the slowdown when you have the screen filled with enemies. Removes the slowdown when you have the screen filled with enemies.        
  Super Hang-On (Rev00 rom; the older one) Runs significantly faster, closer to the arcade sensation. Runs a bit faster than with 10 MHz overclock, nothing really noticeable.   Checkpoint beep plays faster than normal.   sheath reported sound issues depending on the original cartridge used. Some copies work perfect, others have issues. No problems when using Everdrive MD.
  Teenage Mutant Ninja Turtles: The Hyperstone Heist (Teenage Mutant Ninja Turtles: Return of the Shredder)       The music is messed up, playing too fast. #1 Troyus, 1 minute, European Mega Drive model 1, VA7 Needs to be verified in other models and board revisions.
  The Adventures of Batman & Robin No effect. No effect. Model 1 Genesis VA5/VA6: no issues at any clock (7.67 MHz; 10 MHz; 12 MHz). Model 1 Genesis VA3: badly glitched once you start playing at 10 MHz. Model 1 Genesis VA5/VA6: no issues at any clock (7.67 MHz; 10 MHz; 12 MHz). Model 1 Genesis VA3: timing issues, missing notes, weird sounds; nightmare at 10 MHz. #1 evildragon, 1 minute, Genesis model 1, VA3, ceramic Motorola 68000 12 MHz Needs to be verified in other models and board revisions.
  The Great Circus Mystery (Mickey to Minnie: Magical Adventure 2 )           Analysis requested: "I noticed some slowdowns on the the Haunted House (Stage 3) on the section where it starts to collapse." by ReBirFh
  The Punisher     Overclock causes very occasional graphic glitching that returns to normal.   #1 sheath, ?, Genesis model 1, VA5/VA6, plastic Motorola 68000 8 MHz The game locks up with the overclock after an unspecified amount of time.
  The Super Shinobi (The Revenge Of Shinobi) Removes the slight slowdown in the later levels. Removes the slight slowdown in the later levels.        
  Thunder Force III Removes the occasional slowdown. Removes the occasional slowdown.        
  Thunder Force IV (Lightening Force: Quest for the Darkstar) Removes or dramatically reduces the slowdown when you have the screen filled with enemies or fighting against big enemies. Removes the slowdown when you have the screen filled with enemies or fighting against big enemies.        
  Two Crude Dudes (Crude Buster) Reduces the slowdown when you have the screen filled with enemies. Also, it reduces the freeze time when decompressing characters sprites (most noticeable in 2P mode due to the higher number of enemies). Removes the slowdown when you have the screen filled with enemies. Also, it reduces the freeze time when decompressing characters sprites (most noticeable in 2P mode due to the higher number of enemies).        
  Uchuu Senkan Gomora (Bio-Ship Paladin) Significantly less slowdown in 1P but still quite slower than what it should be, especially in the hardest difficulty setting. Still quite slow in 2P mode, barely playable. In 1P mode, very similar to the arcade speed in normal difficult and with tolerable slowdowns in the hardest difficulty setting. In 2P mode it's playable now but still suffers with the screen filled with enemies and explosions.        
  Ultimate Mortal Kombat 3 Reduces the slowdown during combos and the permanent slowdown when fighting against/with Smoke. Reduces even more the slowdown during combos and the permanent slowdown when fighting against/with Smoke.        
  Valis Removes or dramatically reduces the slowdown when you have the screen filled with enemies or fighting against big enemies. Removes the slowdown when you have the screen filled with enemies or fighting against big enemies.        
  Vectorman     Some graphical glitches at 10 MHz.   #1 evildragon, 1 minute, Genesis model 1, VA3, ceramic Motorola 68000 12 MHz Needs to be verified in other models and board revisions.
  Viewpoint Reduces the heavy slowdown during battles but do not remove it completely and it will still struggle badly in some spots. Reduces even more the heavy slowdown during battles but do not remove it completely and it will still struggle badly in some spots.        
  Winter Challenge Plays noticeably faster. Plays noticeably faster.   Develops sound problems that seem self correcting. #1 sheath, ?, Genesis model 1, VA5/VA6, plastic Motorola 68000 8 MHz  
  Wonder Boy III: Monster Lair Removes most of the slowdown in 2P mode. No noticeable slowdown anymore.        
  WWF Wrestlemania: The Arcade Game Reduces the permanent slowdown when you're fighting against 3 other wrestlers. Removes the permanent slowdown when you're fighting against 3 other wrestlers.        
  World of Illusion Starring Mickey Mouse & Donald Duck Removes the permanent slowdown in one of the later levels when playing co-op. Removes the permanent slowdown in one of the later levels when playing co-op.        
  Zero Tolerance Reduces the permanent slowdown making the game a lot more playable. Reduces even more the permanent slowdown making the game a lot more playable.