Steins;Gate: Linear Bounded Phenogram

Steins;Gate: Linear Bounded Phenogram/Phenogram of Linear Restraint (STEINS;GATE 線形拘束のフェノグラム Senkei Kousoku no Phenogram?) a visual novel released on April 25, 2013 containing a mixture of scenarios set during and after the original visual novel's story-line, but in different world lines.

"The title is an apparent reference to 'linear bounded automaton', a limited form of the Turing Machine conceptin computer science."

Story 1: Dr. Jekyll on lines (Okabe)
Takes place in α0.337199%.

Story 2: Bird Singing in Cage (Daru)
Takes place in δ3.019430%.

Story 3: Vermilion Sooteer (Kurisu)
Takes place in α0.328403%. Though written drawn out as "Sooteer" (ソーテール), the title is likely supposed to mean the Greek epithet "Soter".

Story 4:  Ghosting Rendezvous (Suzuha)
Takes place in α0.337337%.

Story 5: A Strange Building Filled of Love (Tennouji Yuugo)
Takes place in δ3.386019%.

Story 6: Super hero Chat-noir (Faris Nyannyan)
Takes place in δ3.030493%.

Story 7: Hermaphroditus in Labyrinth (Ruka)
Takes place in α0.456923%.

Story 8: Eternal Polaris (Mayuri)
Takes place in α0.571046% and Ω-0.195284%.

Story 9: Quantum excited in Coma (Moeka)
Takes place in α0.509736%.

Story 10: Three Contrapasso About The Abduction (Okabe)
Takes place in ε4.456441, 4.456442, 4.493624, 4.493623, 4.530805, 4.530806%.

Story 11: Lunar Halo Bifröst (Tennouji Nae)
Takes place in α0.337161.

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