- PC
Level Select
Select Sonic & Knuckles choose any character and play Angel Island. Jump and hang on a swinging vine and press Left Left Left Right Right Right Up Up Up. If done correctly you will hear a sound.
Sound Test
First enable the Level Select code above restart the game using the option under the File menu then at the Title screen press Down Down.
Sonic Special Stages
At the Special Stage screen:
2 2965 3192 9023
3 3610 2354 7327
4 2921 0274 3999
5 3737 7423 1487
6 3053 9029 9071
7 3698 8191 7375
8 3009 6111 4047
9 3482 7286 3167
10 2809 6267 2575
11 3454 5929 0879
12 2765 3348 7551
13 3582 0497 5039
14 2898 2104 2623
15 3543 1266 0927
16 2853 9185 7599
17 4014 2308 3455
18 3319 6540 9215
19 3964 5702 7519
20 3275 3622 4919
21 4092 0771 1679
22 3408 2377 9263
23 4053 1539 7567
24 3363 9449 4239
25 3837 0634 3359
26 3163 9615 2764
27 3808 8777 1068
28 3119 6696 7740
29 3936 3845 5228
30 3252 5452 2812
31 3897 4614 1116
32 3208 2533 7788
33 2994 5155 4236
34 3673 9888 9404
35 2944 5155 4236
36 3629 6970 4380
37 3072 0223 8396
38 3762 5728 9452
39 3033 0992 4284
40 3718 2807 4428
41 2817 0087 0076
42 3518 2963 2956
43 2788 8229 7788
44 3474 0044 7932
45 2916 3298 1948
46 3606 8800 3004
47 2877 4066 7836
48 3562 5881 7480
49 3348 5109 0364
50 4028 3236 9596
51 3298 8503 4428
Supersonic
get 7 emralds with sonic or s and tailsat get at least 50 rings or more andpress jump button two times if done theright way sonic win tun gold.
Submitted by michael Seely
Debug mode
simply do level select in angel island and Mushroom hill.
Submitted by andrew meeks
Hint
On icecap, on the first push down thingy, don't push it down. Instead, walk across the platform and keep going till you reach the wall. There you will find a special stage.
Submitted by williamseven