Bats & Terry - Makyou no Tetsujin Race [Model USE-BC]

99 Hearts:
At the title screen, press Up x4, Right x4, Left x4, Down x4 on the 2nd controller then press Start. If done right, you should have 99 hearts.

99 Lives:
At the title screen, press A x2, B, A, B x2, A, B x5 and A+B x4 on the 2nd controller then press Start. If done right, you should have 99 lives.

Additional 30 seconds:
At the title screen, press A, Up, Left, Left, B, A, Right, Down, Right, Left, Right, Up, A, Down, A and Up on the 2nd controller then press Start. If done right, you should have an extra 30 seconds on your clock.

Extra Energy:
At the title screen, press Left x4, Right x4, Left x4 and Right x4 on the 2nd controller then start the game. If done right, you'll have 5 extra energy slots.

Extra Weapon:
At the title screen press A, Up, B, Up, A, Down, B, Down, A, Left, B, Left, A, Right, B and Right on the 2nd controller then press Start. If done right, you'll have a better weapon.

Stage Select:
At the title screen, on controller 2, press Up, Down, Left, Right, Up, Down, Left, Right and press A the amount of times of the stages you want to skip. Afterwards, press Start on controller 1 to being on the desired stage.