Yes but if you have a pickaxe you can break the sandstone easelyIf solo mod should be added, it's just a camp game than. They can camp to protect their egg. Also you didn't need obsidian to protect it, you also can use tons of sandstone. so -1
@Roroyourboat_ @Stefanvld lock?
Yes but they haven't said no gold for no campingNope -1. There are more posts like this:
https://www.cubecraft.net/threads/eggwars-solo-mode.67837/
https://www.cubecraft.net/threads/solo-eggwars.58703/
Lock?