Complex sentence: The Career Soft continued to work with the Masaya Games for the development of the "Langrisser III", "IV" and "V", before they went on to develop the "Growlanser" series together with Atlus in 1999.
Split into simpler sentences: The Career Soft continued to work with the Masaya Games for the development of the "Langrisser III", "IV" and "V". Afterwards they went on to develop the "Growlanser" series together with Atlus in 1999.