Simplify the following text for a Grade 8 native English-speaking person.
Original: In 1996 , at the time of the game 's release , Internet-based gaming was just beginning and Duke Nukem 3D could be played on IPX LAN or modem .
Simplified: At the time of its release , Internet-based gaming was just beginning . Duke Nukem 3D did not support the TCP\/IP client\/server model , instead basing its network play on the IPX LAN , modem or serial cable .