Konami Antiques: MSX Collection Volume 1 TwinBee mode (Gradius)
On the game menu, highlight “Gradius”, hold Select, then choose that game.
| Mopinger | |
| Infinite Lives | 8001E050 0606 |
| Road Fighter | |
| Infinite Fuel | 8001E082 D800 |
| Sky Jaguar | |
| Infinite Lives | 8001E050 0203 8001 E3D0 0303 |
| Gradius – Player 1 And 2 Codes | |
| Infinite Lives | 8001E060 0102 |
| Gradius 2 | |
| Infinite Lives | 8001E360 0102 |
Note: After the Konami screen appears, turn the Game Shark off, then turn it back on when you get to the game selection screen.