Knuckles the Echidna in Sonic the Hedgehog 2/Hidden content
From Sonic Retro
Cheat Codes
These are cheat codes which can be accessed by inputting button sequences or by various other methods.
Cheat Codes, Knuckles in Sonic 2 Locked-on
Cheat Codes
- Zone Select: At the Title screen press Up, Up, Up, Down, Down, Down, Left, Right, Left, Right. The hold A and press Start.
- Debug mode: First enable the Level Select cheat then play tunes 01, 09, 09, 04, 01, 00, 01, 08 and you'll hear a ring chime. Then select a level with A + Start.
- Have all Chaos Emeralds: First enable the Level Select cheat then play tunes 01, 06, 07, 07, 07, 02, 01, 06 and you'll hear a Emerald chime.
In-level Functions, all versions:
Debug
Press B to toggle normal and debug mode.
Press A to advance forward through the debug object list.
Press A+C to advance backwards through the debug object list.
Press C to reverse gravity in normal mode, in debug it places the selected object at the current coordinates.
Current coordinates are designated by the top line of hex digits in the HUD.
Viewport coordinates are designated by the bottom line of hex digits in the HUD.
Slow-motion/Restart
During pause press A to fade to black and restart from the "SONIC TEAM PRESENTS" screen.
During pause press and hold B to enable slow-motion (this proceeds at half-speed, or 15fps, for as long as you hold the B button).
During pause press C to advance one frame.
Game Enhancer Codes
These are cheat codes that can only be used with game enhancer devices. Support for these codes is available in most emulators.
Game Genie
Official Game Genie Codes, Knuckles in Sonic 2 Locked-on
| Code | Description |
|---|---|
| AAAA-AAAA | No code. |
Unofficial Codes, Knuckles in Sonic 2 Alone
| Code | Description |
|---|---|
| AAAA-AAAA | No code. |
Pro Action Replay
Unofficial Codes, Knuckles in Sonic 2 Locked-on
The RAM seems to be the same between Sonic & Knuckles and this version so the codes are the same.
| Code | Description |
|---|---|
| FFFFFF:0000 | No Code. |