Games like Red Horizon
Games like Red Horizon include The Wolf Among Us, Detroit: Become Human, STEINS;GATE, Suzerain, and LoveChoice. We matched them by the tags players give Red Horizon on Steam (Visual Novel, Story Rich, Choices Matter, Interactive Fiction, and Sci-fi): closest matches first, and among equally close ones the better-known games.

The Wolf Among Us
Shared: Story Rich · Adventure · Choices Matter

Detroit: Become Human
Shared: Story Rich · Choices Matter · Sci-fi

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

Suzerain
Shared: Visual Novel · Choices Matter · Story Rich

LoveChoice
Shared: Choices Matter · Story Rich · Visual Novel

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

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Story Rich · Interactive Fiction

The Life and Suffering of Sir Brante
Shared: Story Rich · Choices Matter · Visual Novel

Until Then
Shared: Visual Novel · Story Rich · Interactive Fiction

Outer Wilds
Shared: Story Rich · Space · Adventure

Road to Empress Ⅱ
Shared: Choices Matter · Story Rich · Adventure

Coffee Talk
Shared: Visual Novel · Story Rich · Interactive Fiction

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choices Matter · Story Rich

Scarlet Hollow
Shared: Visual Novel · Choices Matter · Story Rich

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Visual Novel · Adventure · Interactive Fiction

AI: The Somnium Files
Shared: Visual Novel · Story Rich · Adventure

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Story Rich · Interactive Fiction

STEINS;GATE 0
Shared: Visual Novel · Story Rich · Sci-fi

I Wani Hug that Gator!
Shared: Visual Novel · Story Rich · Choices Matter

Far Away
Shared: Visual Novel · Choices Matter · Story Rich

Aliya: Timelink
Shared: Visual Novel · Interactive Fiction · Sci-fi

The Test
Shared: Story Rich · Visual Novel · Choices Matter

Neo Cab
Shared: Visual Novel · Story Rich · Interactive Fiction

ATRI -My Dear Moments-
Shared: Visual Novel · Story Rich · Casual