Climax Group is a development company based in Porthsmouth, Hampshire, United Kingdom. At one time, they had a studio dedicated to developing racing games, but this studio was bought out by Disney. They have developed games for about 24 years, and their games have been on many different video game console systems. As of 2012, they are still developing video games.
In 2004, they developed two Serious Sam games; Serious Sam: Next Encounter and Serious Sam Advance. It is unknown how or why they got the Serious Sam license. After 2004, they stopped developing Serious Sam games. Both of their Serious Sam games were published by Global Star Software.