1 AW3T-2A20 Don't lose energy when slimed
2 AF3T-2AFE Start with 1 energy unit
3 AP3T-2AFE Start with 3 energy units
4 AZ3T-2AFE Start with 5 energy units
5 BB3T-2AFE Start with 8 energy units

CODES 6 THRU 10 WILL DISPLAY SOME BIZARRE STUFF WHERE
THE ARROW IS NORMALLY DISPLAYED
6 B73T-2AFE Start with 15 energy units
7 CV3T-2AFE Start with 20 energy units
8 D33T-2AFE Start with 30 energy units
9 GK3T-2AFE Start with 50 energy units
10 NV3T-2AFE Start with 100 energy units
11 RFVT-26ZN Infinite lives
CODES 12 THRU 18: NORMAL DIFFICULTY ONLY
12 GC1T-2AFT Start with 1 life
13 GG1T-2AFT Start with 2 lives
14 G01T-2AFT Start with 6 lives
15 G41T-2AFT Start with 7 lives
16 G81T-2AFT Start with 8 lives
17 HC1T-2AFT Start with 9 lives
18 HG1T-2AFT Start with 10 lives
19 RGXT-26X2 Extra life symbol (1-up) gives you 0 more lives
20 ACXT-3JX2 Extra life symbol (1-up) gives you 2 more lives
21 ACXT-3NX2 Extra life symbol (1-up) gives you 3 more lives
22 ACXT-3TX2 Extra life symbol (1-up) gives you 4 more lives
23 ACXT-3YX2 Extra life symbol (1-up) gives you 5 more lives
24 ACXT-32X2 Extra life symbol (1-up) gives you 6 more lives
25 ACXT-36X2 Extra life symbol (1-up) gives you 7 more lives
26 ACXT-3AX2 Extra life symbol (1-up) gives you 8 more lives
27 AL2T-2A6N 0 arches needed to complete a level
28 GG2T-3ANJ 10 arches needed to complete a level
29 GL2T-3ANJ 20 arches needed to complete a level
30 GW2T-3ANJ 40 arches needed to complete a level
31 G02T-3ANJ 50 arches needed to complete a level
32 G42T-3ANJ 60 arches needed to complete a level
33 G82T-3ANJ 70 arches needed to complete a level
34 HC2T-3ANJ 80 arches needed to complete a level
35 HG2T-3ANJ 90 arches needed to complete a level
36 ABNT-2A7E 0 arches needed to get to bonus round
37 GBNT-3APA 5 arches needed to get to bonus round
38 GFNT-3APA 15 arches needed to get to bonus round
39 GKNT-3APA 25 arches needed to get to bonus round
40 GPNT-3APA 35 arches needed to get to bonus round
41 GVNT-3APA 45 arches needed to get to bonus round
42 GZNT-3APA 55 arches needed to get to bonus round
43 G3NT-3APA 65 arches needed to get to bonus round
44 HBNT-3APA 85 arches needed to get to bonus round
45 HFNT-3APA 95 arches needed to get to bonus round
46 CC2T-3NX4 Each arch is worth more
47 RG3T-2606 Infinite time to complete level
48 CC3T-3R06 Clock runs about 3x as fast as normal
49 G04A-3WLW 9:50 to complete each level
50 GC4A-3WLW 9:00 to complete each level
51 GC4A-3TLW 8:00 to complete each level
52 GC4A-3RLW 7:00 to complete each level
53 GC4A-3NLW 6:00 to complete each level
54 GC4A-3LLW 5:00 to complete each level
55 GC4A-3JLW 4:00 to complete each level
56 GC4A-3GLW 3:00 to complete each level
57 GC4A-3ELW 2:00 to complete each level
58 GC4A-3CLW 1:00 to complete each level
59 ACXT-3E1J Collecting a clock adds 1 minute to time clock
60 ACXT-3N1J Collecting a clock adds 3 minutes to time clock
61 ACXT-3T1J Collecting a clock adds 4 minutes to time clock
62 ACXT-3Y1J Collecting a clock adds 5 minutes to time clock
63 ACXT-321J Collecting a clock adds 6 minutes to time clock
64 ACXT-361J Collecting a clock adds 7 minutes to time clock
65 ACXT-3A1J Collecting a clock adds 8 minutes to time clock