G
| Gain Ground | Sega | Sega | |
| Galactic Protector (Japan only) | Sega | Sega | |
| Ghost House | Sega | Sega | |
| Ghost Defense | - | - | |
| G-LOC: Air Battle | Sega | Sega | |
| Golden Axe | Sega | Sega | |
| Golfamania | Sega | Sega | |
| Great Soccer | Sega | Sega |
Read more about this topic: List Of Tec Toy Master System 131 Games