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Kazuhide Oka

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Quiet Express Room 909, a 3D adventure game set on a cross-continent train · 2026-05-23

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  • Confirmed Quiet Express Room 909, a 3D adventure game set on a cross-continent train May 28 · source

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Aug 14

SF Adventure Platonica Space Launches on Steam, Switch Version Set for August 27

KAMITSUBAKI STUDIO and Kazuhide Oka's ANMC project released the Steam version of Platonica Space on August 14, 2026, priced at 1,200 yen with a 17% discount until August 27. The Switch version launches August 27 at the same price, with a discount until September 9. The game follows five amnesiacs exploring an endless room-filled space, recovering fragmented memories through memory spots.

May 23

Kazuhide Oka's Quiet Express Room 909 Is a Time Loop Train Mystery

At BitSummit PUNCH, developer Kazuhide Oka showed Quiet Express Room 909, a 3D adventure game set on a cross-continent train. Players explore cars, talk to passengers, and relive a seven-day journey to prevent a derailment. The demo ends with a time loop reveal. Oka cited Blue Prince and Road 96 as influences.