@MojangSupport HI Mojang support. My son was going to play today and 20w14infinite was installed. Now, no worlds are listed. We were playing in latest snapshot 20w13b. What to do?
I'm very sorry, but because Mojang does not store your local world data, we cannot assist with world recovery. You can see our article about world backup here: https://help.minecraft.net/hc/en-us/articles/360034754912-Backing-up-Minecraft-worlds- … I hope this helps! ^SA