A wave of new mods and competitions is energizing sandbox gaming communities this spring, from Minecraft Bedrock's latest addon drops to Terraria's Calamity Mod update and GGMods’ inaugural Modathon.

Not only is Minecraft the bestselling game of all time, but it’s also insanely addictive to play. Who could say no to an immersive polygonal world of mining, agriculture, and digital zombies? Released ...