.com blocklands a fun PC game well you build whatever you want well like lego's but your your moving a kinda blocky thing well you build anything out of legos
if you go to .com you can get addons your you can call them mods or whatever well normal peapol make addons
if you want to make addons get blender well if want anymore info on how to make addon search it up.
i put blockland on top the number 1# building game
number 2# is .com well it's more of a mining game but you still build and you can also craft item's with a crafting table thats all the info i got with minecraft right now i will let you know if i get more info.
number 3# is .Com well it's a building game too but im not much of a fan of it, well you need to be a little bit better with computers but im better with blockland then i am with roblox i played all of them.
well those are the the top 3 building games i know well see you later , well if you dont know why the letters up there are blue if you click them thay will take you to the site so oh wait blockland cost 20$ roblox FREE! minecraft well i dont know, so hope this helps you bye.