These are some prototype images from Big Blue Bubble, showing early versions of the Monsters and other game features as the game was being developed. While some physical features of the Monsters have remained in the released game, others have been modified slightly from their prototype versions.
Tweedle Concepts: The left concept was nicknamed as Flynecone by the Monster-Handlers, and on the right is Owlesque. Flynecone's wings were reused for Rare Congle, Owlesque's horns was reused for Rare Tweedle, its fur was reused for Rare Bowgart, and its face was reused for Grumpyre.
Various concepts of Gloptic, later repurposed for the Cataliszt.
Floot Fly, a scrapped Monster that would've had Quarrister's elements. It was later repurposed into the Single Element Faerie monster with a slightly different design.
Knucklehead concept art, which was envisioned for My Singing Monsters: Dawn of Fire. The drawing was made on April 15th, 2014, and its original image was named "monster_cubehands.png".
An "unpainted/early/plain Screemu created on January 14, 2016".
A composite of screenshots from "Making a Monster with My Singing Monsters - What it Takes to Design a Video Game" showing various concepts of Rare Astropod, which released on September 20th, 2023
A lower quality but unobstructed image of 6 concept arts for Rare Astropod
Early concept of Plant Island (codenamed Songster Island) with several early Monsters. The orange 'things' are actually leaves. The island itself was reused for the Spirit of Creation decoration.
A larger view of the early Plant/Songster Island concept.
Early versions of Toe Jammer.
Concept art of presumably G'joob. Its design was reincorporated into the Tribal Island critter and possibly G'Day.
A very early concept of what could possibly be Tweedle, whos design was later used for Yuggler.
An early version of Relics. It was scrapped to avoid players wondering why the eggs don't hatch. It would be later be used as part of the Eggs-Travaganza Island Skin design.
The Unused Fountain in a screenshot on the Dawn of Fire Google Play Store download page. It was later added to Mirror Water Island.
Concept arts for Jarhead, Fossil-osaurus + Eerie Remains, and possibly Tree Hut or Cozee Cabin or similar such Decorations.
An earlier version of Fire Oasis with a few differences.
Concept art for an unknown Monster, from the "Making a Monster with My Singing Monsters - What it Takes to Design a Video Game" YouTube video.
The evolution of the Large Bakery's design
DoF Items[]
Prototype Aurorium, lacking the dirt and cracks.
References[]
↑[1]https://www.youtube.com/watch?v=C1HvMgUstsU 32:07 "When we were originally designing the Mythical Monsters, there was a didgeridoo Monster, whose concept art we might even have released in the past, I'm not sure, but that was sort of the original G'joob before it shifted to sort of a bassoon-like sound and got its current, rather walrus-like appearance".