Alternative titles
Underground (2007)
| BR | Underground: Submundo Sangrento |
| CN | 地下决战 |
| DE | Underground Blood Fighter |
| HK | 地下決戰 |
| PL | Underground - podziemna walka |
| PT | Underground - Submundo Sangrento |
| RO | Subteran |
| RU | Андерграунд |
Underground (2007)
| BR | Underground: Submundo Sangrento |
| CN | 地下决战 |
| DE | Underground Blood Fighter |
| HK | 地下決戰 |
| PL | Underground - podziemna walka |
| PT | Underground - Submundo Sangrento |
| RO | Subteran |
| RU | Андерграунд |