Mega Enterprise is a South Korean company that specialises in developing games. Mega Enterprise is best known for developing Metal Slug 4

Metal Slug 4

is a run and gun video game for the Neo-Geo console/arcade platform created by SNK. It was released in 2002 for the MVS arcade platform and is the fourth game in the Metal Slug series...

 for the NeoGeo after the original developer, SNK

SNK Playmore

SNK Playmore Corporation is a Japanese video game hardware and software company. SNK is an acronym of , which was SNK's original name. The company's legal and trading name became SNK in 1986....

, went bankrupt.

In South Korea, Mega also publishes PC games from companies like Activision

Activision

Activision is an American publisher, majority owned by French conglomerate Vivendi SA. Its current CEO is Robert Kotick. It was founded on October 1, 1979 and was the world's first independent developer and distributor of video games for gaming consoles...

.
It is also developing the upcoming Metal Slug Online game for PC.