Red Hot Sonic 2

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Red Hot Sonic 2
Version: 0.90
Last release: October 2005
System: Sega Mega Drive
ROM size: 1.44 MB
Original game: Sonic the Hedgehog 2 (16-bit)
Credits: redhotsonic
The Walk-through-wall monitor in Crystalize Zone

Red Hot Sonic 2 is a hack of Sonic the Hedgehog 2 (16-bit) by redhotsonic. It was his first hack.

Started in early 2004, this hack featured two fan characters: Red Hot Sonic and Jet Pack Tails. Several versions were released (0.50, 0.60, 0.70, 0.80, and then finally 0.90). The hack started badly (especially the palettes) but became more developed over time.

Because it was made through the original SonED, the hack did not feature many coding changes. Instead, it had palette changes, different level layouts, and some new art. It did feature a brand new object that was totally original and hasn't been featured in a hack before: the walk-through-wall monitor. When this was destroyed, the character was given the power to walk through a wall. This only appeared in Hidden Palace Zone. All the level names were changed, with some becoming quite nonsensical. For example, Hidden Palace Zone was renamed Crystalize, even though there were no crystals on that level.

Eventually, redhotsonic began to lose interest in hacking, especially due to events in his life (new job, etc.), so Red Hot Sonic 2 was never finished and development ended with version 0.90. He then announced his desire to let someone continue it if they so desired. A few volunteers expressed their interest and ultimately jman2050 was chosen. Ever since then, no more was heard about this hack, although jman did make a post concerning it and explaining the lack of updates:
Sonic Retro

redhotsonic has since returned to hacking, albeit not this project; to a brand new project named Sonic 2 Recreation and has also created another mini hack called Sonic 2 Time Attack.

This hack can work on real hardware, but cannot be completed. The level select can still be used.


  • New layouts, Titles, and Palettes for each level.
  • New sprites.
  • New HUDs.

Known Bugs

  • Medieval Zone doesn't have collision data Which causes continuous falling, However, the level is beatable.
  • Reverso Act 1 crashes halfway due to an invalid object.
  • Playing Medieval Zone as Tails crashes after the title card.


Download.svg Download Red Hot Sonic 2
File: (1.05 MB) (info)
Current version: 0.90