This article is about the unreleased game. For the old prototype, see Miasmon Prototype.

Miasmon is an unreleased monster-catching RPG developed by Pseudolonewolf. It is meant to be the spiritual successor to Beast Signer, with many new features. The game is planned to feature freely selectable missions rather than a set order of events with a focus on user-created content.

An old prototype of Miasmon was released in 2014, but the full version is supposed to be radically different.


The Elarna were a violent race under the Aolmna's guidance. Growing tired of their education, they did 'some terrible thing' which wiped them out and sent Alora Fane tumbling away from its creators. Only ruins remain of their petal, and their civilization.

Hundreds of years later, an archaeological group called the Daring Delvers recovered some ancient Elarnan technology. Namely, the ability to capture and train monsters.


The player character is supposed to be a member of the Daring Delvers, exploring the ruins of Fracture and training monsters. They would be tasked with missions, helping other people on Fracture by defeating troublemakers.

Battles themselves are supposed to be turn-based, like Beast Signer, but the rest of the game is supposed to be a side-scrolling platformer.


Monsters can be classified by two body types as well as a Sentiment, which collectively determine their resistances and weaknesses.

Monsters have four main evolutionary stages: Essent, Transient, Prime and Paragon. A fifth, rare stage, Totemnal, is only reachable by using special items called Totems, and is approximately equal to Transient in terms of power. Evolutionary pathways will likely be complex, with conditional branching. A possibility exists for rare circumstances to cause a monster to evolve into a different family.

Monsters would not be caught; rather, defeating monsters would gather essence specific to their family. Enough essence would unlock the ability to clone the family's Essent form.

Many of the Monsters in the Miasmon Prototype are likely to make an appearance in the finished Miasmon. A list is provided here of all additional monsters that have been referenced or depicted by Pseudolonewolf and may show up in the game.

  • Anchelon
  • Antares
  • Apostrofish
  • Axelotl
  • Barkterium
  • Bushark
  • Cantramp
  • Cavelouse
  • Celestronaut
  • Chikkog
  • Chupacabra
  • Cloudove
  • Coconey
  • Coconoct
  • Coggerel
  • Crook
  • Crypticada
  • Cubstout
  • Dracannon
  • Dragun
  • Drog
  • Duscucuy
  • E. Collie
  • Erminerd
  • Estoateric
  • Flowl
  • Froxst
  • Garuulf
  • Germongrel
  • Globug
  • Holleye
  • Hugglewug
  • Hydrangea
  • Jadra
  • Lampy
  • Leafawn
  • Lupup
  • Mawatt
  • Merrowet
  • Naztec
  • Neight
  • Papagogo
  • Peatle
  • Presidant
  • Protostaretops
  • Pwn
  • Rabbish
  • Roc
  • Scaraball
  • Serpinion
  • Skulky
  • Sporgre
  • Stratapillar
  • Sunmersibubble
  • Tinysaur
  • Undiva
  • Voidreg
  • Wolflare
  • Yinyegg


The current version of Miasmon is a combination of two previous ideas by Pseudolonewolf, Miasmon and Programon.

Miasmon was heavily inspired from the Pokémon series, but not a direct clone, and the plot and setting are based off of MARDEK's. The game was planned to be divided up into three chapters.

Fracture was originally a world in the Astrostles Galaxy which was recolonised by humans after the Elarna's extinction. In the earliest versions of the plot, the main character was Francis Marmalade, an elderly scientist who reverse-engineered the Elarna's gauntlets, invented monster cloning technology and developed the first synthetic monsters. He retired due to an incident that left him with an intense dislike of monsters, but is forced out of retirement to investigate new discoveries in the archaeological search for the cause of the destruction of Fracture.

The main character was later changed to be a choice between Zaffre and Cerise, two new recruits to the archaeological team 'The Daring Delvers'. Francis remained an important NPC in the game. Other named characters include Crayden and Sienna, founders and leaders of the Delvers, and Gemma, another recruit who serves as the rival to the main character.

Pseudolonewolf found it harder and harder to even so much as look at Miasmon, so he postponed the game and started work on a second monster catcher game, Programon.

Programon was intended as a direct, if more lighthearted, successor to Beast Signer. Its original setting was 'The Program' - a computer program at the end of the universe which had been built by a hyper-advanced race in order to simulate everything that existed before the universe was destroyed, including, of course, you. The game would have started with your character's funeral in the real world, but then you'll find yourself instantly resurrected in the Program. However, the setting didn't interest Pseudolonewolf, so he decided to move Miasmon's setting from the Astrostles Galaxy to Alora Fane and combined it with Programon's gameplay.

The combined Miasmon is stated to use many story elements from the original Miasmon, while using the more developed engine from Programon, including the latter's notable platformer gameplay.


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