Minecraft: Post Nuclear War Challenge. NOTICE: THIS IS NOT A MOD/ DOWNLOAD Congratulations! You survived the blast! Unfortunately, the. Nuclear Survival Backstory You've heard of awful news today is the day that the bombs fall. How long can you survive the nuclear apocalypse Rule 1 You have one day before the explosion happens you must You must play on hardcore mode. After the first 3 kills monsters will not score any points. Post Nuclear War Challenge. From the author: “This challenge is essentially a post-apocalyptic scenario. The goal is to create the ultimate.