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Sonic 2 Improvement

Hack of Sonic the Hedgehog 2


This is a hack of Sonic the Hedgehog 2. It contains fixes for several bugs and inconsistencies found in the original game. Super Sonic can be used more safely and the transformation can be activated after pressing a button in mid-air, some minor graphical glitches were repaired, game physics are more consistent, and much more. Refer to the Readme file for details.

ROM / ISO Information:

  • Sonic The Hedgehog 2 (World) (Rev A) (No-Intro name)
  • CRC32 7B905383
  • MD5 9FEEB724052C39982D432A7851C98D3E
  • SHA-1 8BCA5DCEF1AF3E00098666FD892DC1C2A76333F9




ContributorType of contributionListed credit

User Review Information

Perfect scores + Super sonic fixes are the best

Reviewed By: nad84 on 27 Feb 2020

Really nice to see that you can transform into Super Sonic by your own desire instead of getting forced into it just like was in Sonic 2 vanilla. Will check how bugs were fixed but Super Sonic change already made me liking this hack from now on. Great job.

Edit: February 24th, 2020.

Definitely fixing perfect scores on maps like Aquatic Ruin act 2 are worth to play the game many times as possible. I can confirm that it works properly to get a perfect score on aquatic ruin act 2. Thank you very much for such contribution. Never saw any hack which would have such a simple and great game feature like this before. Please don’t give up your work/support on this Sonic 2 improvement ROM hack, you have a big fan for your work here. :-)

As a little suggestion and only my opinion, could I suggest fixing up a bit the Eggman boss fights in order to make them more difficult as they always were? My suggestion would be if you can add them more hits being required in order to win each Eggman fight and increasing way more his invincibility time for each hit you does in-between. So that way you won’t win so fast and easily those Eggman fights like they’re on Chemical Plant or Hill Top.

Thanks again for all your work through this project.

Version 6.0 Recommended - Yes

User Reviews
The ultimate Sonic 2Awesome_Donkey02 Jul 20206.0Yes
Perfect scores + Super sonic fixes are the bestnad8427 Feb 20206.0Yes
Detailed inspectionrainponcho15 Apr 20172.4.1Yes