The following are known Game Genie Codes for Speedball 2 on Nintendo Game Boy.

• 99D-CDB-F7A
  Get lots of money
• FAA-E4C-4C1
  Infinite Money
• 00E-D99-3BE
  No Timer
• 00C-30F-08B
  Opponents cannot score any points except from bounced stones. When they score a goal it is an earned goal regardless of what end they score at.