IMHO.

Single-player games like Platform 6 ONLINE | 6番線オンライン協力異変探し

Below are 13 single-player Steam games similar to Platform 6 ONLINE | 6番線オンライン協力異変探し, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Platform 6 ONLINE | 6番線オンライン協力異変探し page.

Ranked picks

  1. 1
    5番線おじさん救出編 Platform 5 Dungeons — Steam game cover

    5番線おじさん救出編 Platform 5 Dungeons

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Action and Indie with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    The long-awaited sequel to Japan’s hit “Nibansen” is here! This new rescue-horror in the “Bansen Series” goes beyond anomaly hunting. Enter massive Senjuku Station (千宿), full of oddities, and save the stranded old man. Now the truth of “Nibansen,” “Sanbansen,” and “Platform 4” is revealed…

    2025ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  2. 2
    4番線 | Platform 4 — Steam game cover

    4番線 | Platform 4

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Action and Indie with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    The sequel to the acclaimed anomaly-finding games "Nibansen" and "Sanbansen" has finally arrived! Find the pattern and escape if an anomaly occurs in the mysterious homage-inspired escape game "Platform 4," where you journey from a repeating station to the airport.

    2024ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  3. 3
    3番線 | Sanbansen — Steam game cover

    3番線 | Sanbansen

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Action and Indie with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    The sequel to the popular game '2番線 | Nibansen', which has sold 15,000 ! If an anomaly occurs, return to the opposite elevator! Find the pattern from the repeating station platform and escape! A mysterious, respect-based escape game from the enigmatic dark ground station to the exit, "Sanbansen"

    2024ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  4. 4
    Paranormal place — Steam game cover

    Paranormal place

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Indie and Adventure with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    Alex is a blogger who explores places with paranormal phenomena. At the request of his subscribers, he goes to an abandoned place where, according to rumors, some creepy things were noticed. What is happening there? You have to find it out.

    2024IndieAdventureSimulation6.99 USDSingle-playerSimilar games →
  5. 5
    Epoch Makers — Steam game cover

    Epoch Makers

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Action and Indie with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    Step into the past and rebuild history in Epoch Makers, a co-op restoration sim for 1–4 players. Clean, repair, and reconstruct iconic landmarks while tackling tricky obstacle courses that test your coordination, timing, and teamwork.

    2025ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  6. 6
    VOIDCAST — Steam game cover

    VOIDCAST

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Indie and Simulation with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    Explore an abandoned video store after dark and descend into spaces that defy logic, where warnings and guidance blur into one without escape.

    2026IndieSimulationCasualSingle-playerSimilar games →
  7. 7
    Escape from Track 7 — Steam game cover

    Escape from Track 7

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Action and Indie with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    The last train is gone, and Track 7 won't let you leave. Watch for anomalies: if something is wrong, turn back; if not, keep walking. One mistake and you start over. A short spot-the-anomaly horror in an eerily real Japanese station, from a series with over 100,000 copies sold.

    2026ActionIndieAdventureSingle-playerSimilar games →
  8. 8
    30 Days on Ship — Steam game cover

    30 Days on Ship

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Action and Indie with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    Take on the role of a castaway on a wrecked container ship. Survive for 30 days, battle storms, hunt animals, build shelter, and maintain your mental health, attempting to endure isolation and pirates in the middle of the Pacific. Can you stay alive?

    ActionIndieAdventureSingle-playerSimilar games →
  9. 9
    DOASHIME-ドアを閉めるぞ- — Steam game cover

    DOASHIME-ドアを閉めるぞ-

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Indie and Casual with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    Dive into the chain boarding game "DOASHIME - Close the Door!" and fill the train with cute animals. While avoiding being spotted by station staff, chain same-colored animals for points, and ensure they board. Score until the last second and ascend to the top of the global rankings.

    2023IndieCasual2.99 USDSingle-playerSimilar games →
  10. 10
    2番線 | Nibansen — Steam game cover

    2番線 | Nibansen

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Action and Indie with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    If something unusual happens, return to the opposite passage! A mysterious respect-based escape game from the subway station to the exit "Line 2 | Nibansen"

    2024ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  11. 11
    Rolling Football Player — Steam game cover

    Rolling Football Player

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Action and Indie with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    Rolling Football Player is a nonsensical athletic game where a soccer player endlessly rolls while tackling various challenges! Take on the limits in single-player mode! This new athletic game is created by the developer of "Nibansen," which sold 20,000 copies worldwide!

    2024ActionSportsIndie3.99 USDSingle-playerSimilar games →
  12. 12
    ScreenSaver Battle — Steam game cover

    ScreenSaver Battle

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Action and Indie with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    Clash the bouncing video logos! ScreenSaver Battle is a new sensation battle game where video logos on your screen saver collide and trigger special moves upon hitting the corners! The satisfying moment when a logo hits the corner in a screen saver now becomes even more thrilling in this battle game

    2025ActionIndieSimulation2.99 USDSingle-playerSimilar games →
  13. 13
    Train Plus | トレインプラス — Steam game cover

    Train Plus | トレインプラス

    Single-player alternative to Platform 6 ONLINE | 6番線オンライン協力異変探し — playable solo, no multiplayer required. Shares Indie and Simulation with Platform 6 ONLINE | 6番線オンライン協力異変探し.

    The popular imaginary railway “Kowa Railway” from YouTube is finally making its game debut! Experience its 11-station route in realistic free driving mode or by blasting past 1,000 km/h in high-speed mode. Enjoy every inch of this dynamic line as you operate your train your way!

    2025IndieSimulationCasual8.99 USDSingle-playerSimilar games →