Easter eggs and references


 * In the Fireflies reservation, on the top floor under one of the metal sheets, there is a bit of writing that says "HELLO HELLO FOLLOW ME". This is a reference to Oddworld: Abe's Oddysee . touching the text with a drop of Color will make the sound of a beer bottle opening.


 * In the Pharynx mine, if you walk along the right side, drop down onto a ledge and walk into the cave, the Hero will be transported into the sandbox from Pathologic, Ice-Pick Lodge's previous game.


 * In the Pharynx mine, If you walk onto the column on the lower platform, you will hear a banjo playing.


 * In the Pharynx mine, if you stay there for a while, a siren will sound. This is a possible reference to Silent Hill.


 * In Uta's Grotto, when staring at the moon, The poem "Leave, O leave me to my sorrows" from An Island in The Moon by William Blake plays. This easter egg is only present in the original version of the game.


 * In Uta's Grotto, when standing next to the closed barrel at the beach, a man can be heard knocking on it and screaming "let me out of here, open this damn barrel!" This easter egg is only present in the original version of the game.


 * In the Heathen reservation, on the top of the Mycelium's cave is the charred face of a companion cube from Portal.


 * In Moorage garden, under the rubble, you can find potion bottles from The Witcher.


 * In Ire's Garden, if you stand next to the left hole and draw the Magent glyph, another charred face of a companion cube from Portal will appear.


 * In the Lemna reservation, in the cave with the heart, there is a small hand holding a glowing sphere. This is a reference to H. P. Lovecraft's short story "In the Walls of Eryx".


 * In Yani's House, The book on the floor in one of the rooms is "La Divina Commedia" by Dante Aligheiri . This book is in Ole's Cradle as well.


 * In Yani's House, The name on the spines of some of the books in the library is "N. D. Bowsky". this is a reference to Nikolay Dybowsky, founder of Ice-Pick Lodge, as well as The Void's publisher ND games.


 * In the Hull garden, if you touch the bench with a drop of Color, you will be able to sit on it. A similar bench is in the Memory garden.


 * In the Hull garden, the doll hanging from the tree and emitting faint murmuring is reminiscent of the doll from the opening cutscene of Pathologic. A similar doll is in the Memory garden.


 * In Eli's Blimp, The letters IPL and ND on the blimp are a reference to the developers and publishers of the game, Ice-Pick Lodge and ND Games.


 * In the Twist garden, there is a flickering caricature of Patriarch. This is a reference to the game Psychonauts.


 * In Ima's tower, there is a small lantern hidden to the left of Ima. This is a reference to Penumbra: Overture . This easter egg is only present in The Void.


 * In Ole's Cradle, if you touch the piano with a drop of Color, music will start playing.


 * In Ole's Cradle, the reflection on the piano is concept art for Eli's Chamber. This easter egg is only present in the original version of the game.


 * In Ole's Cradle, when touching the small teapot on top of the cabinet in the kitchen with a drop of Color, the Hero will be transported to a room with a reference to Pathologic, where a voice will recite a part of The Seagull by Anton Chekov.


 * In one of the Brother Arenas, there is a picture of an angel. This picture was the avatar Alexey "The LxR" Luchin, one of the developers of the game, used in the official Ice-Pick Lodge forums.


 * In the Adit, if you draw the Magnet glyph at the bottom, a complete companion cube from Portal will appear from below.


 * In the visions of the surface, you can find trash cans identical to those in Pathologic.


 * In the visions of the surface, inside the attic, you can find a painting of a sister. this painting was done by a girl from the official Ice-Pick Lodge forum named Kaelte.