Platform 6 ONLINE | 6番線オンライン協力異変探し

The “Bansen” anomaly-hunt returns with online co-op! Midnight platforms are scarier—and more fun—together. All aboard!

At a glance

• Platform: Windows.
• Genres: Action, Adventure, Casual, Indie, Simulation.
• Release date: Dec 3, 2025.
• Steam user reviews: Positive (84% positive).
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

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