Demonion ~Maou no Chika Yousai~

by Astronauts

Censored Windows

VersionFinal

EngineOthers

Released2012-08-24

Updated2025-10-09

LanguageEnglish (MTL)

About Demonion ~Maou no Chika Yousai~

Demonion ~Maou no Chika Yousai~ is a finished adult game by Astronauts, built with the Others engine and presented as a 2D CG title. Its story begins after a demon lord invaded the human kingdom and was stripped of power, then sealed deep underground. Tectonic movement breaks the seal, and rumors of his return draw skilled adventurers into the labyrinth. The trapped demon king fights back with magical traps and summoned monsters, pulling the kingdom back into war. The game combines combat, corruption, and harem themes, and players follow this conflict through a Japanese adult 2D CG presentation.

The completed build was released on August 24, 2012 for Windows, with English machine translation and mosaic censorship. Development is finished, so there is no demo or ongoing update cycle. The game remains a Japanese adult title with a 2D CG presentation, combat encounters, corruption elements, and harem content.

Developer's description

Once upon a time, there was a demon lord who invaded the kingdom of humans and led the world into war. However, the Demon King's power was taken away by the heroes and sealed deep underground. This is an underground labyrinth where the Demon King is sealed in the deepest part. Due to recent tectonic movements, the seal has been broken, and rumors have spread throughout the kingdom that the Demon King has been resurrected. To subjugate the Demon King and gain fame Skilled adventurers from all over the country visit the underground labyrinth. However, the Demon King uses his magical power to set traps in the labyrinth, summon monsters, and wait for them. The kingdom was thus once again embroiled in war..... Spoiler

Demonion ~Maou no Chika Yousai~ screenshots

Download Demonion ~Maou no Chika Yousai~ Final

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Player reviews

Player rating 3.0 / 5 · 3 ratings

Written reviews 3 · avg 2.3★

Positive (4–5★) 0%

Latest review 2025-12-18

What players say

Mixed reviews: two players found it acceptable, while one criticized translation and gameplay strongly.

5★ 0

4★ 0

3★ 2

2★ 0

1★ 1

Players like

Dungeon-building strategy and hard gameplay appeal.
Art is the standout visual element.
Story advancement is nice for fans.

Common complaints

Machine translation confuses genders and names.
Repetitive gameplay and micromanaging feel boring.
Bugs and crashes can block progress.

Best for players who enjoy dungeon-building strategy and tolerate machine translation.

Summarised from 3 written player reviews.

InstaPrincess 2025-12-18 ★★★★★

This is good if you like this sort of strategy game. You build your dungeon, battle, advance the story. It's nice. BUT it needs a translation that doesn't suck and more so, doesn't break the game. There's plenty of issues…

karlongkar 2025-10-12 ★★★★★

MTL so nothing surprising. calling female as him , male as her confuses you a lot if you read. Especially if there's a name in the conversation the translation sometime go out the window because it doesn't know the name…

Tebix 2025-10-12 ★★★★★

It is an Ok game with decent, but hard gameplay. But the big problem is that you have to play the same game over and over with little variation. The beginning also has a lot of micromanaging. The Sex scenes…