Sound test

Press [Down][Down][Up][Up][Left][Right][Left][Right] and press [1] or [2] at the title screen.

Hadouken

At the Sound Test screen, enter [Down], [Down+Right], [Right]+([1] or [2]) to make Sonic do a Hadouken. (This is better known as a Street Fighter "fireball", and is the same key sequence as in that game: rotate from [Down] to [Right]+[1].)


Level select

Press [Up][Up][Down][Down][Right][Left][Right][Left] and press [1] or [2] at the title screen.

Goal Sign Tricks 1

(Works in Turquoise Hill Zone, Sleeping Egg Zone and Aqua Planet Zone.)

Super Ring
Finish the round with any number of rings ending in 9 (9, 19, 29, etc.)
Continue
Finish the round with 15, 30, 40, or 60 rings.
Backwards Sign
Finish the round with 16, 28, 32, 44, or 58 rings.
1-UP
Finish the round with 55, 65, 77, 88, 95, 97, or 99 rings.

Goal Sign Tricks 2

(Works in Gigalopolis Zone, Mecha Green Hill Zone and Electric Egg Zone.)

Super Ring
Finish the round with a multiple of 10 rings (10, 20, 30, etc.)
Continue
Finish the round with 00, 24, 48, or 72 rings.
Backwards Sign
Finish the round with 18, 36, 45, 81, or 89 rings.
1-UP
Finish the round with 11, 33, 77, 87, 94, 96, or 98 rings.

Action Replay codes

00D29909
Infinite Lives (keeps showing 9)
00D50C95
Higher jumps (pressure sensitive. Warning: this code may mess with the game's behavior in general)
00D2C0YX
Keep the timer at X minutes (replace the YX on the code for a number from 00 to 99; the timer will display only the last digit of the entered number, though (e.g. entering 89 will give you 9:00 at the timer). Whenever you enter a 9-ending number (e.g. 09, 19, 29, ..., 99), you'll end up dying after the first minute (due to the 9:59 to 10:00 internal changing on the timer), unless you use the following PAR code to lock the seconds)
00D2BFXX
Keep the timer at [XX + 1] seconds (replace the XX on the code for a number from 00 to 99. Entering 59 will actually advance one minute, so it shouldn't be entered if the previous PAR code is set to show 9:00, or else you'll die within one second)
00D297XX
Zone select (replace the XX on the code for a number from 01 to 05 to go from the second Zone to the last Zone (starting at the first Act); disable the code after starting the level)
00D298XX
Act select (replace the XX on the code for 01 or 02 to go to either the second or the third Act of the given Zone (will start on the first Zone if there is no other Zone specified by the previous PAR code OR by the Level Select cheat); disable the code after starting the level)

See the main page for Sonic Chaos



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