Over the Developed Eden

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東方光条閣 (とうほうこうじょうかく)
Over the Developed Eden
Over the Developed Eden

路鳥 (ろどり Rodori )


17 May 2020 (Trial)
24 April 2021 (Full Game)


Vertical Danmaku Shooting Game


Single-player story mode


Windows 7 / 8.1 / 10
(Danmakufu ph3)

TouhouKoujoukaku (Ray System Tower) ~ Over the Developed Eden (東方光条閣 ~ Over Developed Eden.) is a fan-made Touhou Project game made using the Touhou Danmakufu ph3 shooting game engine. It is the first Touhou fangame created by 路鳥, who also creates their own original STG-Series Ore no Animism. The game was announced on the 6th May 2020 via the creator's social media. A trial featuring the first three stages was released on the 17th May 2020. The full game was released on the 24th April 2021.


The central gameplay system of this game is the so called "Overload System". By collecting yellow items dropped by defeated enemies, the gauge on the left side of the screen will increase. Once the gauge is full, the hitbox size of your player character increases drastically. This state is called "Overload".

By pressing the C-Key, the stored energy can be released, which boosts your shotpower, your bomb and your score multiplier. However, these benefits only last for a few seconds. After that, the boosted state ends and your hitbox returns to its usual size. Start and end of the boosted state also clear the screen of bullets.

By collecting additional yellow items when the gauge is already full, the score multiplier after activation increases. The amount of these additional items is shown on the top left above the gauge.

Each player character has two different bombs: a regular bomb and a stronger version activated by bombing during the boosted state.


Recently, the amount of objects drifting from the Outside World into Gensokyo has been steadily increasing. Previously unknown inventions (such as tapioca milk tea) bring enjoyment to everyone. Then suddenly, overnight, Gensokyo transforms into a vast metropolis. Reimu, Marisa, Sumireko and Shinmyoumaru set out to punish the culprit behind this urbanisation incident.


Over the Developed Eden features original music in the style of ZUN, composed by 路鳥.

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