Find common-ground, that you both enjoy sandbox-styled games. Accept and embrace the diversity, so variety may exist. Hug him.
Say this You ass whole kid blockland is so loving better the the noobiest handicap game named rostuff will never be cool blockland wins like gernades better model and awesone mini figs and forget yourself kid and rostuff has horrible add ons bad grahpics
Here's what you do, you punch him in the face and then see who plays the better game.
Today i was at school when me and my freinds were talking then the word "roblox" popped up. I said i hate it and i play Blockland. So then some kid comes up and says your stupid. You play blockland and it sucks get off that loving game and play roblox. I said roblox is dumb. He said well at least we dont have bad graffics and less lag. I said no your guys look like a blob in game and roblox is the laggiest game i've ever tried. He said your such a handicap and noob roblox better. Can anybody tell me somthing to say so i can defend?