Sonic & Knuckles Collection consists of three games: Sonic the Hedgehog 3, Sonic & Knuckles, and Sonic 3 & Knuckles. Sonic the Hedgehog 3 contains the first six levels of Sonic 3 & Knuckles, while Sonic and Knuckles contains the last six.
Zones
Sonic the Hedgehog 3
Zone 01 - Angel Island Zone
Zone 02 - Hydrocity Zone
Zone 03 - Marble Garden Zone
Zone 04 - Carnival Night Zone
Zone 05 - Ice Cap Zone
Zone 06 - Launch Base Zone
Sonic and Knuckles
Zone 07 - Mushroom Hill Zone
Zone 08 - Flying Battery Zone
Zone 09 - Sandopolis Zone
Zone 10 - Lava Reef Zone
Zone 11 - Hidden Palace Zone
Zone 12 - Sky Sanctuary Zone
Zone 13 - Death Egg Zone
Zone 14 -BATTLE GONE
Special Stage Mode
Difficulties depend on whether or not the played received a Perfect (all rings collected) before beating the level.
| Level | Code | Difficulty | Emerald Color |
|---|---|---|---|
| 01 | 3659 8960 3263 | 05 | |
| 11 | 3454 5429 0879 | 07 | |
| 21 | 4092 0771 1679 | 08 | |
| 31 | 3897 4614 1116 | 10 | |
| 41 | 2817 0087 0076 | 08 | |
| 51 | 3298 8503 4428 | 07 | |
| 61 | 3227 7149 4844 | 10 | |
| 71 | 5073 2087 0844 | 07 | |
| 81 | 5388 6203 6924 | 07 | Green |
| 91 | 5183 2672 4541 | 06 | |
| 101 | 4446 4119 1869 | 10 | |
| 111 | 4251 7962 1309 | 12 | |
| 121 | 4545 7330 3741 | 10 | |
| 131 | 3610 2145 0173 | ||
| 141 | 3582 0287 7885 | 09 | |
| 151 | 4053 1330 0413 | 07 | |
| 161 | 2994 1551 3010 | 08 | |
| 171 | 2788 8020 0626 | 05 | |
| 181 | 3426 3362 1426 | 08 | |
| 191 | 3188 7708 3570 | 08 | |
| 201 | 4857 0971 9474 | 10 | |
| 211 | 5338 9388 3826 | 10/9? | Green/Gray? |
| 221 | 5310 7531 1539 |
- Out of Perfect Levels
| Level | Code | Difficulty | Emerald Color |
|---|---|---|---|
| 82 | 4694 0436 2684 |
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