Gamemode 4 adds a few new entities and modifies some pre-existing entities.

The following lists do not contain information about blocks from Discontinued or Retired Modules.

Custom GM4 Entities

Data Pack Entity Brief Description
Enchantment Extractors Congealed Enchantment Can spawn when extraction of an enchantment fails in an enchantment extractor,

can fly through blocks and will pester the player until killed or naturally dies after about five minutes

Living Enchantment Can spawn when extraction of an enchantment fails in an enchantment extractor,

can fly through blocks and will pester the player until killed or naturally despawns

End Fishing Void Endermite Can spawn from common loot from fishing in the end void; may drop an ender pearl when killed
End Phantom Can spawn from uncommon loot from fishing in the end void; may drop an elytra when killed by a player
Holographic Tags Hologram Floating text which is visible from about 16 blocks away
Liquid Minecarts Liquid Minecart Drains and fills liquid tanks of the same liquid
Mob Conversion Potion Cleric Trades various potions for 2-6 emeralds each
Enlarging Phantoms Enlarged Phantom Larger phantoms with more health and stronger attack damage
Icy Strays Icy Stray Stray that can drop ice, packed ice, and blue ice if killed with looting
Illusioner Nights Illusioner Illusioner that can drop golden carrots and potions upon death
Menacing Goblins Goblin Baby zombie that can drop gold and iron ingots upon death
Sandy Husks Sandy Husk Husk that can drop sand if killed with looting
Slime Fests Giant Slime Slime of Size 7 that can drop various loot such as diamonds and enchanted books upon death
Orb of Ankou Fiery Sprite A flaming, invisible baby zombie with enchanted golden leggings
Wandering Tear An invisible, glowing vex
Withering Cloud A withering area effect cloud lasting around 1.5 minutes
Severed Soul An endermite drops a Soul Essence upon death
Possessed Soul Shard A bat that drops a Soul Shard upon death
Congealed Soul Shard A bat that drops a Soul Shard upon death
Living Orb A silverfish that drops an Orb of Ankou upon death
Phantom Scarecrows Phantom Scarecrow Checks 20 blocks above it in a 25 block radius for phantoms and shoots them down with a projectile
Scarecrow Projectile Follows the nearest phantom and kills it upon contact
Shroomites Spores Spreads mycelium to blocks, and can create new Shroomites
Spawner Minecart Spawner Minecart A moveable spawner in a minecart which spawns mobs slightly faster than a normal spawner
Tunnel Bores Tunnel Bore A new minecart that can destroy blocks and place rails in front of itself
Undead Players Undead Player Spawns when a player dies, and can always pick up loot
Zauber Cauldrons Possessed Item Weaponless Vexes that pester the player before dying after few seconds

Modified Entities

Data Pack Entity Change
Bat Grenades Bat Will explode when a player is within 3 blocks, and will drop gunpowder and bat leather
Better Armour Stands Armour Stand Can be modified using a book and quill to change appearance such as having arms and and rotating
Poses Pack Armour Stand Can be modified using a book and quill to pose different limbs of the armour stand
Particles Pack Armour Stand Can be transformed into a particle emitter which is invisible apart from the particles
Boots of Ostara Armour Stand Can replace dirt with grass if wearing Boots of Ostara and holding a grass block in its hand
Better Fire Arrow Flame arrows will set fire to the block they land on
Creeper Creepers that are on fire and have 0-2 health will instantly explode
Crossbow Cartridges Fish (Cod, Salmon,

Pufferfish, Tropical Fish)

Can be launched from a crossbow if a fish in a bucket is held in the offhand
Fireball Can be launched from a crossbow if a fire charge is held in the offhand
Enderman Support Class Enderman Buffs hostile mobs in a 25 block radius
Creeper Gains Regeneration II if nearby an enderman
Cave Spider Gains Jump Boost II if nearby an enderman
Silverfish Gains Resistance II if nearby an enderman
Skeleton Affects players within 7 blocks of the skeleton with Weakness II if nearby an enderman
Spider Gains Jump Boost I if nearby an enderman
Zombie Gains Speed II if nearby an enderman
Shulker Affects players within 7 blocks of the skeleton with Blindness if nearby an enderman
Holographic Tags Item Frame When a named Name Tag is in an item frame, it becomes a Hologram
Ink Spitting Squid Squid Affects submerged players within 3 blocks with Blindness
Standard Liquids Cow When Standing on an Empty or Milk Tank, Cows will fill the tank with one bucket of milk every 5 minutes
Mooshroom When Standing on an Empty or Mushroom Stew Tank, Mooshrooms will fill the tank one bucket of stew every 5 minutes
Player Players can deposit XP into Empty or Experience Tanks by standing on top of one
Players can withdraw XP from Experience Tanks by standing under one
Players can gain Saturation by standing under Soup/Stew Tanks
Players can gain Saturation and have Poison cleared by standing under Honey Tanks
Players can have the Poison effect cleared by standing under Milk Tanks or Honey Tanks
All Mobs Mobs can have the Poison effect cleared by standing under Milk Tanks or Honey Tanks
Experience Orbs Experience Tanks can absorb Experience Orbs directly above the tank
Potion Liquids Player Players can gain potion effects by standing under a Potion Tank
All Mobs Mobs can gain potion effects by standing under a Potion Tank
Shulker When on top of a Empty or Levitation Tank, Shulkers will fill the tank with one potion of levitation every 5 minutes
Witch When on top of a Empty or one of four Potion Tanks, Witches will fill the tank with one corresponding potion every 5 minutes
Zauber Liquids Player Players can gain potion effects by standing under a Zauber Potion Tank
All Mobs Mobs can gain potion effects by standing under a Zauber Potion Tank
Defuse Shamir Creeper Creepers can be defused by players wearing armour with the Defuse Shamir
Gemini Shamir Animals Animals will produce twins if bred by a player holding a tool with the Gemini Shamir in the offhand
Hypexperia Shamir XP Orbs XP Orbs will be doubled if nearby a player holding a tool with the Hypexperia Shamir
Mob Conversion Cow Can be converted into a mooshroom if affected by slowness and a brown mushroom and red mushroom are thrown at it
Zombie Pigman Can be converted into a pig if affected by swiftness and a golden carrot is thrown at it
Witch Can be converted into a Potion Cleric if affected by weakness and a golden apple is thrown at it
Resurrecting Skeletons Skeleton Will spawn from bones left on the ground during a Resurrecting Skeleton night
Resurrecting Zombies Zombie Will spawn from rotten flesh left on the ground during a Resurrecting Zombie night
Tipped Skeletons Skeleton Can shoot tipped arrows during a Tipped Skeletons night
Icy Strays Skeleton Can be converted into a Stray during an Icy Strays night
Sandy Husks Zombie Can be converted into a Husk during a Sandy Husks night
Slime Fests Creeper Can be converted into a small Slime during a Slime Fests night
Spider Can be converted into a small Slime during a Slime Fests night
Slime Small Slimes will spawn from slimeballs left on the ground during a Slime Fests night
Slimes will merge together to form larger Slimes
Corripio Shamir All Mobs All Mobs have a low chance to drop Soul Essences if killed with the Corripio Shamir
Pig Tractors Pig Can be used as a tractor if a player has a hoe in their inventory while riding it
Shroomites Mooshroom Can produce Shroomites on very rare occasions
Shroomites can transform Cows into Mooshrooms
Cow Can be converted into a Mooshroom by a Shroomite on rare occasions
Sunken Treasure Guardian Can spawn from mining sand with Fortune whilst deep underwater
Squid Can spawn from mining sand with Fortune whilst deep underwater
Tunnel Bores Chest Minecart Can be used as a storage, holding coal/charcoal and rails for Tunnel Bores to take from
Vertical Rails Minecarts (All types) Can move up ladders when riding from a rail into a ladder
Zauber Cauldrons Cave Spider Will spawn as a byproduct of brewing a Poison IV potion
Killer Rabbit Will spawn as a byproduct of brewing a Leaping IV potion
Ziprails Minecarts (All types) Can move on tripwire when riding on a rail under an attached tripwire hook