Complex sentence: Welcome to Pia Carrot 2.2 is a branch of "Pia Carrot 2" that came out 4 months after "Pia Carrot 2", released for GameBoy (color only) by NEC Interchannel in 2000.
Split into simpler sentences: Welcome to Pia Carrot 2.2 is Branch of "Pia Carrot 2" that 4 month after of "Pia Carrot 2". Released for GameBoy (color only) by NEC Interchannel in 2000.