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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)


Trial: 2020-05-17
v1.0: 2021-04-24
v1.1: 2022-04-30


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 the Developed Eden.) is a fan-made Touhou Project game made using the Touhou Danmakufu ph3 shooting game engine. It is the first Touhou fangame developed by 路鳥, who is also the creator of their own original STG-Series Ore no Animism.


The game's central mechanic is the 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 of the player character increases in size. This state is called Overload.

By pressing the C-Key, the stored energy can be released, which boosts the player character's shotpower, bomb and score multiplier. However, these benefits only last for a few seconds. After that, the boosted state ends and the hitbox returns to its usual size. The 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.


  • Originally the game was not supposed to be a Touhou fangame, but part of the creator's own STG series Ore no Animism (which itself pays tribute to the Touhou Project).
  • The subtitle for the game was originally Over Developed Eden instead of Over the Developed Eden. The initials ODE form the english word ode; this can be read in reverse as Edo. Edo is the historical name of Tokyo which the Edo period is named after. "Ode" and "Edo" also appear in the subtitle of the final boss theme.
  • The developer used various different meanings of the word コウジョウ (koujou) as inspiration for the game, such as 光条 ("ray system"), 江城 (an old name for Edo Castle), 荒城 ("ruined castle") and 向上 ("advancement, progress").
    Originally it was also planned to include 工場 ("factory, workshop").

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