The following are known Game Genie Codes for Blaster Master 2 on SEGA Genesis.

• Protection From Most Hazards (Not In Top-View Mode)
  BVLT-JA5Y
• Medium Falls Don’t Hurt (Don’t Combine With Codes 15 And 16)
  D5VA-GA90
• Start With 1 Life
  ACBA-GAB2
• Start With 2 Lives
  AGBA-GAB2
• Start With 5 Lives
  AWBA-GAB2
• Start With 10 Lives
  BGBA-GAB2
• Start With 20 Lives
  CRBA-GAB2
• Infinite Lives (Not In Top-View Mode)
  SCBT-GA5E
• Jump About 6X Normal Height In Vehicle
  8H5A-H98G
• Jump About 3X Normal Height In Vehicle
  815A-H98G
• Jump About 2X Normal Height In Vehicle
  895A-H98G
• Jump About 1-1/2X Normal Height In Vehicle
  9D5A-H98G
• Jump About 3/4X Normal Height In Vehicle
  9M5A-H98G
• Jump About 1/2X Normal Height In Vehicle
  9S5A-H98G
• Jump About 2X Normal Height When Walking And Don’t Take Damage From Medium Falls
  9D5T-H99C
  D5VA-GA90
• Jump About 1-1/2X Normal Height When Walking And Don’t Take Damage From Medium Falls
  9H5T-H99C
  D5VA-GA90
• Jump About 3/4X Normal Height When Walking
  9S5T-H99C
• Jump About 1/2X Normal Height When Walking
  9X5T-H99C
• Infinite 3-Way Fire
  B5ZT-GA9J
• Infinite Hyper Missiles
  CD0T-GA94
  BD0T-GA62
• Infinite 8-Way Lightnings
  CD1A-GA86
• Infinite Shields
  B4FT-GA3G
• Weapon Icon Adds 0 More To Amount You Have
  ABMT-JAHR
• Weapon Icon Adds 1 More To Amount You Have
  AFMT-JAHR
• Weapon Icon Adds 3 More To Amount You Have
  APMT-JAHR
• Weapon Icon Adds 10 More To Amount You Have
  BKMT-JAHR
• Weapon Icon Adds 20 More To Amount You Have
  CVMT-JAHR
• Weapon Icon Adds 50 More To Amount You Have
  GKMT-JAHR
• Weapon Icon Adds 99 More To Amount You Have (Max)
  NPMT-JAHR
• Heart Icon Adds 0 Points To Energy Bar
  ABMA-JACW
• Heart Icon Adds 1 Point To Energy Bar
  AFMA-JACW
• Heart Icon Adds 2 Points To Energy Bar
  AKMA-JACW
• Heart Icon Adds 4 Points To Energy Bar
  AVMA-JACW
• Heart Icon Adds 5 Points To Energy Bar
  AZMA-JACW
• Heart Icon Adds 6 Points To Energy Bar
  A3MA-JACW
• Heart Icon Adds 7 Points To Energy Bar
  A7MA-JACW
• Heart Icon Adds 8 Points To Energy Bar
  BBMA-JACW
• Heart Icon Adds 9 Points To Energy Bar
  BFMA-JACW
• Heart Icon Adds 10 Points To Energy Bar
  BKMA-JACW
• Heart Icon Adds 11 Points To Energy Bar
  BPMA-JACW
• Heart Icon Adds 12 Points To Energy Bar (Max)
  BVMA-JACW
• Shields Last 10X Normal Time
  VCFT-HGCG
• Shields Last 5X Normal Time
  2WFT-GWCG
• Shields Last 3X Normal Time
  5WFT-GLCG
• Shields Last 2X Normal Time
  7CFT-GGCG
• Shields Last 1/2X Normal Time
  9LFT-GACG
• Shields Last 1/3X Normal Time
  Y8FT-GACG
• Shields Last 1/5X Normal Time
  NWFT-GACG
• Shields Last 1/10X Normal Time
  GLFT-GACG
• Infinite Continue Credits
  A3FT-AA82
• Infinite Time To Decide Whether To Use A Continue Credit
  A3GA-AA5L