Games like Event-D
Games like Event-D include The Invincible, The Turing Test, PRAGMATA, AI: THE SOMNIUM FILES - nirvanA Initiative, and Detroit: Become Human. We matched them by the tags players give Event-D on Steam (Sci-fi, Visual Novel, Space, Adventure, and Artificial Intelligence): closest matches first, and among equally close ones the better-known games.

The Invincible
Shared: Adventure · Sci-fi · Futuristic

The Turing Test
Shared: Sci-fi · Space · Adventure

PRAGMATA
Shared: Sci-fi · Adventure · Robots

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

Detroit: Become Human
Shared: Sci-fi · Robots · Futuristic

Outer Wilds
Shared: Space · Adventure · Sci-fi

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Space · Female Protagonist

Observation
Shared: Sci-fi · Space · Adventure

The Talos Principle
Shared: Sci-fi · Philosophical · Adventure

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

Starfield
Shared: Space · Sci-fi · Adventure

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

Tacoma
Shared: Sci-fi · Adventure · Space

GNOSIA
Shared: Visual Novel · Sci-fi · Adventure

1000xRESIST
Shared: Futuristic · Sci-fi · Visual Novel

No Man's Sky
Shared: Space · Sci-fi · Adventure

State of Mind
Shared: Sci-fi · Adventure · Futuristic

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

Deliver Us Mars
Shared: Sci-fi · Space · Story Rich

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

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

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

The Swapper
Shared: Sci-fi · Space · Adventure

Prey
Shared: Sci-fi · Space · Story Rich