Vivarium [Horror]

-Event where a broken log will bleed and a pool of blood will form

-Event where you will be caved in and teleported somewhere adjacent to disorient you

-Water and fog will slowly turn red as the mod progresses

-Music will pitch down as the mod progresses

-Neutral mobs will be aggro'd immediately at a point in mod progression

-Killing mobs will occasionally cause a blood effect

-Occasional sound effects (heartbeat underground, crying otherwise)

-Passive mobs will flee after a certain point in progression

-Hostile mobs will spawn more frequently as the mod progresses

-Hallucinated carvings will appear on blocks when you stare at a certain block for a long time

-Rain will be made of blood after a certain point in progression

-The sun will change to a crying eye after a certain point in progression.

-Vitaflowers will close or wilt when you get near

-Heat wave event where armor will cook you while in the sun

-Massive tree structure known as the World Tree, the World Heart can be found underneath

-Volcanic eruption event

-Thunderstorm event with heavier lightning than normal

-Dream sequence where you will find a knife which is used to complete the mod's progression