Sonic the Hedgehog Plus (Sonic 1 Rom Hack)

Sonic the Hedgehog Plus (often called Sonic 1 Plus) is a hack of Sonic the Hedgehog by Hivebrain. The hack is basically the same as the original game, except with a number of extra features and bugfixes.
===================== Levels ===================== Extra act - Green Hill Zone Extra act - Marble Zone   ===================== Objects ===================== Giant rolling ball (Green Hill Zone) Collapsing blocks (Green Hill Zone) Spiked log (Green Hill Zone) Heat shield (Marble Zone) Magna shield (Spring Yard Zone) Splats enemy (Spring Yard Zone) Scuba shield (Labyrinth Zone) Boss hit counter (only in GHZ) Spindash dust Skidding dust   ===================== Misc. ===================== Spindash Insta-shield Expanded level select Title screen updated Sound Test and Options menu - Turn spindash on/off - Change number of lives you start with to 1, 3 or 5 Press A in debug mode for shields Bugfix - Green Hill Zone tunnel death Bugfix - double spike death (by drx) Bugfix - wrong animation when jumping next to a solid object (by Stealth) Bugfix - "Broken" Marble Zone pillars have been fixed   ===================== Known bugs ===================== Sonic is in front of the logo on the title screen Some minor graphics problems in Kega (and possibly hardware) Spindashing monitors and some enemies at close range doesn't work Lava geysers in MZ4 only work when they first appear

===================== Levels ===================== Extra act - Green Hill Zone Extra act - Marble Zone   ===================== Objects ===================== Giant rolling ball (Green Hill Zone) Collapsing blocks (Green Hill Zone) Spiked log (Green Hill Zone) Heat shield (Marble Zone) Magna shield (Spring Yard Zone) Splats enemy (Spring Yard Zone) Scuba shield (Labyrinth Zone) Boss hit counter (only in GHZ) Spindash dust Skidding dust   ===================== Misc. ===================== Spindash Insta-shield Expanded level select Title screen updated Sound Test and Options menu - Turn spindash on/off - Change number of lives you start with to 1, 3 or 5 Press A in debug mode for shields Bugfix - Green Hill Zone tunnel death Bugfix - double spike death (by drx) Bugfix - wrong animation when jumping next to a solid object (by Stealth) Bugfix - "Broken" Marble Zone pillars have been fixed   ===================== Known bugs ===================== Sonic is in front of the logo on the title screen Some minor graphics problems in Kega (and possibly hardware) Spindashing monitors and some enemies at close range doesn't work Lava geysers in MZ4 only work when they first appear