The following are known Game Genie Codes for Kirby’s Dream Land 2 on Nintendo Game Boy.

• 003-838-19E
  1 hit and you are invincible
• 012-BFA-6EB
  Do not flash at all after getting hit
• 202-BFA-6EB
  Do not flash as long after getting hit
• FA7-CBD-4C1
  Infinite energy
• AFA-9EC-A28
  1 hit and you die
• 00D-589-E62
  Start with 1 life
• 04D-589-E62
  Start with 5 lives
• 06D-589-E62
  Start with 7 lives
• 09D-589-E62
  Start with 10 lives
• FA1-C4B-4C1
  Infinite lives
• 01C-DE8-F76
  Each star is worth an extra life
• 00C-DC8-19A
  You cannot get extra lives from stars
• 01C-DE8-F76 + 3DC-878-19A
  Each star takes away a life