Complex sentence: The first version of the game was coded in interpreted BASIC with a few auxiliary routines in assembly language, and was published only for the Apple II computer; two years later Sierra On-Line, Inc. released a port for the 8-bit Atari computers.
Split into simpler sentences: The first version of the game was coded in interpreted BASIC with a few auxiliary routines in assembly language, and was published only for the Apple II computer. Two years later Sierra On-Line, Inc. released a port for the 8-bit Atari computers.