Games like アルタイル号の殺人
Games like アルタイル号の殺人 include Outer Wilds, The Wolf Among Us, AI: The Somnium Files, Phoenix Wright: Ace Attorney Trilogy, and STEINS;GATE. We matched them by the tags players give アルタイル号の殺人 on Steam (Sci-fi, Mystery, Space, Choose Your Own Adventure, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Mystery · Space · Adventure

The Wolf Among Us
Shared: Adventure · Choose Your Own Adventure · Story Rich

AI: The Somnium Files
Shared: Mystery · Visual Novel · Sci-fi

Phoenix Wright: Ace Attorney Trilogy
Shared: Mystery · Visual Novel · Story Rich

STEINS;GATE
Shared: Sci-fi · Visual Novel · Story Rich

Detroit: Become Human
Shared: Singleplayer · Story Rich · Sci-fi

Starfield
Shared: Space · Sci-fi · Singleplayer

Far Away
Shared: Singleplayer · Visual Novel · Choose Your Own Adventure

Mass Effect™ Legendary Edition
Shared: Sci-fi · Space · Story Rich

GNOSIA
Shared: Sci-fi · Visual Novel · Mystery

Danganronpa: Trigger Happy Havoc
Shared: Mystery · Visual Novel · Singleplayer

Danganronpa 2: Goodbye Despair
Shared: Mystery · Visual Novel · Singleplayer

STAR WARS™ Knights of the Old Republic™
Shared: Sci-fi · Singleplayer · Story Rich

Urban Myth Dissolution Center
Shared: Mystery · Visual Novel · Singleplayer

Stellar Code
Shared: Choose Your Own Adventure · Visual Novel · Sci-fi

The Test
Shared: Choose Your Own Adventure · Story Rich · Singleplayer

PRAGMATA
Shared: Sci-fi · Cute · Adventure

Threefold Recital
Shared: Mystery · Visual Novel · Story Rich

Deliver Us The Moon
Shared: Sci-fi · Space · Adventure

Zero Escape: The Nonary Games
Shared: Mystery · Visual Novel · Story Rich

Marvel's Guardians of the Galaxy
Shared: Singleplayer · Sci-fi · Story Rich

AI: THE SOMNIUM FILES - nirvanA Initiative
Shared: Mystery · Sci-fi · Visual Novel

Return to Shironagasu Island
Shared: Mystery · Visual Novel · Adventure

The Invincible
Shared: Sci-fi · Adventure · Space