When was Durarara!! 3-way Standoff released?

Durarara!! 3-way Standoff was released on September 22, 2010.

What platforms is Durarara!! 3-way Standoff available on?

Durarara!! 3-way Standoff is available on PlayStation Portable.

Durarara!! 3-way Standoff

About

In this one-player only game, you play as Yoshimune Miyoshi, a student who transfers to the same school as Kida Masaomi, Ryugamine Mikado and Sonohara Anri. You get to talk to the characters and explore Ikebukuro where the DRRR!! story is set and learn about the gangs, Dollars, Yellow Scarves and a rumoured headless rider who haunts the streets on a motorbike.