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Tired of your old & easy survival worlds? Try Sudden Death.
It will give you a hard time surviving and will add uniqueness to your server by
implementing loads of new different hardcore features, as well as cool abilities for monsters.
Latest Build works on 1.14+
Latest Build for 1.13: 1.6.11 (Jun 11, 2021)
Latest Build for Legacy: 1.5.4 (Dec 22, 2018)

New mechanics!
- Bleeding: players can start bleeding anytime when taking damage! Bleeding deals damage on time and can be stopped using a Bandage.
- Infection: a zombie attack can cause an Infection to a player. He will slowly lose life and see strong halucinations (confusion and strange background noises). Infection can be stopped using a Strange Brew.
- During a Bloodmoon, only zombies with Speed, Resistance and Strength will spawn. Players take additional damage and are slowed when taking damage. A bloodmoon has a small chance to appear when night arrives.
- Thunderstorm: lightning bolts randomly appear around players. Lightning bolts deal additional AoE damage and knockback. A thunderstorm has a small chance to appear when a regular storm begins.
- Monsters deal more damage, take less damage and walk faster.
- Players get slowed down when hit by an arrow.
- Players walk slower when wearing an iron, gold or diamond armor set.
- Players get permanent nausea when hungry.
- High falls cause players to be slowed down for a few seconds.
- Players drop bones, raw human flesh and a custom skull.
- Players take damage when punching stone.
- Players can get an electricity shock when walking on redstone wires, torches, repeaters and comparators.
- Coal ores can explode when mined by players.
- Monsters can deal critical strikes when attacking players.
- Silverfishes spawn when zombies die.
- Spiders can powerfully leap on players.
- Creepers can explode when dying.
- Players get blinded when hitting endermen, shulkers, endermites and enderdragons.
- Players get poisoned when hitting slimes.
- Skeleton arrows shock players for a few seconds (quickly move their camera; really annoying).
- Zombies get mad (Speed & Strength) when taking damage.
- Skeleton can throw exploding & player-killing bone grenades!
- Spiders shoot slowing and damaging cobwebs at players!
- Magma cubes, pigmen and blazes can reflect player attacks using a magma shield.
- Blazes can summon beams of fire that ignite nearby players.
- Witches can summon a magical shield to block player attacks.
- Witches summon old runes (linear projectiles) that attack nearby players and slow them down.
- Wither Skeletons can quickly blink to players, dealing damage.
- Wither Skeletons can fire damaging coal pieces.