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Hack of Sonic the Hedgehog

Description:

The main goal of this hack is to improve the flow of the first Sonic for MD/GEN while keeping the original level design mostly intact, keeping the player on the move or occupied with something interesting as often as possible. Initially meant to just do something about the slower segments in marble zone, and the elevators in spring yard zone, it later grew into something more, with changes to every act.

The hack works with the below rom in Kega Fusion, using the auto fix checksum option. It also works with the github disassembly rom. It is compatible with Esrael’s spindash hack, but not the spike bug & spindash one, and not with the recent bug fixes hack. However, it wasn’t designed with either in mind. You can send the author a PM (send it to PresidentLeever at RHDN) if you know how to fix this, or if you have any other comments that can help improve the hack.

See the readme for more info.

Changes:

  • Tweaked ring, item, obstacle/gimmick, hazard and enemy placement (for better flow, less trial & error and more consistent difficulty)
  • Tweaked moving platform positions and speeds (same)
  • Tweaked speeds for some hazards (same)
  • Alternate ways of traversing the slower segments in marble zone and spring yard zone
  • Removed some points of no return and improved path connectivity either by removing doors or fans, or adding platforms (example: added platform path to beginning of starlight 3 so players who screwed up the one shot slope movement and/or following jump could get another chance to take the top path
  • Easier jump at the beginning of spring yard act 3 (also moved a few rings to the beginning to avoid death from missing the jump)
  • Better visual clues for some hidden paths and detours (for example the vanishing platforms in scrap brain 2 leading to the 1-up will spawn more frequently)
  • Added enemy or hazard to a few uneventful segments (”boat” segments in marble zone, labyrinth zone 1 shortcut, moving platform path in spring yard zone, scrab brain 3 shortcut, etc),
  • Added some second chance platforms in pits (green hill zone 2, marble zone 3, spring yard zone 3, starlight zone, scrap brain zone)
  • Two new hidden paths near the top of the screen
  • Two new somewhat hidden speed shoes monitors, and a shield in a hidden dead end path in spring yard zone which only had a few rings

ROM / ISO Information:

  • Sonic the Hedgehog (JUE) [!]
  • CRC32: F9394E97
  • Size: 524 288 bytes

Links:

Screenshots:


Credits:

Credits
ContributorType of contributionListed credit
AliangerHacking

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