|Publisher||Hwang Shinwei(?), RCM|
|Sound engine||Hwang Shinwei|
|Alternate names/hacks||Square Force|
Block Force is a port of Quarth originally developed by Konami. It was made by Hwang Jiun-Ming, a relative of Hwang Shinwei and released in 1990. The game was often included in multicarts released by RCM Group between 1990 and 1991.
- Konami released their own Famicom port of Quarth the same year.