AJZA-CA68 Infinite lives
DJ4T-CA8E Invincible
AEYT-CAA2 Start with 1 life
ANYT-CAA2 Start with 3 lives
AYYT-CAA2 Start with 5 lives
B6YT-CAA2 Start with 15 lives
CTYT-CAA2 Start with 20 lives
AJZA-CA3N Don't get an extra life at 100,000 points
PJZA-DJVN Get 2 extra lives at 100,000 points
PJZA-DNVN Get 3 extra lives at 100,000 points
RE4T-C6Y8 Fish bowls don't restore any health
RE4T-C6ZG Fish bowls restore full health
AECT-AAA8 Start on Level 2--Domestic Devils 2
AJCT-AAA8 Start on Level 3--Mayhem Express
ANCT-AAA8 Start on Level 4--Back Alley Blues
ATCT-AAA8 Start on Level 5--Hyde and Shriek
AYCT-AAA8 Start on Level 6--Hyde and Shriek 2
A2CT-AAA8 Start on Level 7--Oceans of Trouble
AAZA-CAA8 + AAZA-CABG Get an extra life at 34,464 points
AJZA-CAA8 + AJZA-CABG Get an extra life at 165,536 points
ANZA-CAA8 + ANZA-CABG Get an extra life at 231,072 points
ATZA-CAA8 + ATZA-CABG Get an extra life at 296,608 points
BJ3A-CAE6 + BJ3A-CAFC Sylvester can only take one hit
GJ3A-CAE6 + GJ3A-CAFC Sylvester can take less hits
3A3A-CAE6 + 3A3A-CAFC Sylvester can take more hits
FT3A-CCE6 + FT3A-CCFC Sylvester can take a lot more hits