Original Sega Genesis/MD Game Genie codes created by:

        Tony Hedstrom    t_hedstrom@yahoo.com

       http://www.angelfire.com/games2/codehut/

    http://codehut.gshi.org/  (no ads on this site)



   Sonic the Hedgehog 2


NOTE: These codes are for version REV A (AKA REV01)


ATBT-AA4E
Master code (not needed on real hardware).  If you get a red screen when you use
Game Genie codes, using this code will fix that.


 *** NEW CODES ***


REKT-A60A +
FAKT-AAGN
Pause the game and press A to access the level select screen.


REKT-A60A +
CAKT-AAGN
Pause the game and press A to play Special/Bonus stages.


REKT-A60A +
AJKT-AAGN +
FNKT-BBRR
Pause the game and press A for invincibility.  Invincibility only lasts until
you lose a life, finish a level, or pickup another invincibility in the game.
Can re-enable invincibility at any time.


REKT-A60A +
AJKT-AAGN +
FNKT-BBRR +
SALA-ANAA +
BJLA-AAAC +
EALA-B72E +
DYLA-B72L +
6TLA-AA2N
Pause the game and press A for invincibility, or press B or C to add 10 rings to
your total.  Can repeat for more rings, but if you go over 100, you won't get
your extra life until you collect a ring while playing.  Also, the invincibility
needs to be re-enabled if you lose a life, finish a level, or if you pick up
another invincibility.


REKT-A60A +
AJKT-AAGN +
FNKT-BBRR +
FTKT-AA8W +
AALA-AYAC +
NALA-BS2E +
D2LA-AAAJ +
NNLA-BS2L +
6TLA-AA2N +
DEKT-B790 +
R0ZT-C60G +
ATKT-AA7N
Pause the game and press A to become Super Sonic.  Super Sonic will jump higher,
have faster acceleration, higher top speed, and be invincible.  Also, your rings
won't decrease from being Super Sonic.  You'll stay Super Sonic until you finish
the level or lose a life, but can re-enable it at any time.


9JKT-B97T
Pause the game to enable debugger.  When you unpause, press B to activate
debugger, press A to cycle thru objects, press directional pad to move
objects around, press C to place objects, press B to play your new level.
You'll also have infinite time.  Only works with Sonic, or Sonic and Tails.


BEKT-B77T
Pause the game to enable debugger (alternate version).  When you unpause, you'll
be a ring and can move anywhere in the level using the directional pad.  Press
A to cycle thru objects, press C to place objects, press B to exit debugger and
test out your new level.  Only works with Sonic, or Sonic and Tails.



R1VT-C6TR
Don't fall when you walk off ledges (Walk on air).  Press jump to drop down.
This code also works on slopes, etc.  If you have any problems, pressing jump
usually fixes it.


SAGT-JAH2
Timer runs at half speed (2x slower than normal).


8AGT-JAH2
Timer runs at one quarter speed (4x slower than normal).


AJGT-JA9T
Don't die when timer reaches 10 minutes.


AK5T-AA26
Always get the Chaos Emerald in Special/Bonus stages.


C3JT-GA2J +
G3HT-GA3T
Get rings from anywhere in special/bonus stages.  Can also run right thru black
spikes without bouncing back or losing any rings.


G3HT-GA3T
Can run right thru black spikes in special/bonus stages without bouncing back, or
losing any rings.


ABLA-GAA8
Don't lose any rings when you hit the black spikes in Special/bonus stages.


A53T-CA56
Keep the rings you originally had when you exit bonus stages.


B52T-CA9W
Special/Bonus stages are always accessible.  Anytime you pass a star post, the
bonus stage will appear.  Works even if you don't have any rings, or if you have
all 7 emeralds.  Note that if you enter a bonus stage with all 7 emeralds, you
may lose your Super Sonic ability, but you can always use the "Can turn into
Super Sonic at any time" code to fix that.


REMT-C6ZT
Doors never close after you pass thru them (like the ones in Chemical Plant Zone).


BCZT-CA4E
Can turn into Super Sonic at any time.  Will only last until you run out of rings.
Just press Jump to turn into Super Sonic.


BCZT-CA4E +
R0ZT-C60G
Can turn into Super Sonic at any time.  Will last until you finish the level, or
if you lose a life.  Just press Jump to turn into Super Sonic. 


MAZA-CEDN
Invincibility/star power-up lasts half as long.


NAZA-CWDN
Invincibility/star power-up lasts twice as long.


AYYT-CAFC
Ring monitors add 5 rings (instead of 10).


DEYT-CAFC
Ring monitors add 25 rings.


NTYT-CAFC
Ring monitors add 100 rings.


 Old Codes...


AE7T-AAE2
Enable debugger.  When the game starts,  Press B, then press A to cycle through
all the different items in the game, and press C to place that item on the 
screen. Press B again to start playing on your newly created level.


NNTT-CACY
Sonics ring count goes to 99 when you're hit.  You'll get an extra life every 
time you're hit.


NNTT-CADJ
Tails ring count goes to 99 when you're hit.  You'll get an extra life every 
time you're hit.


REHA-J6TA
Infinite time.


REHT-J6V0
Infinite time in debugger.