Games like ARTSEC
Games like ARTSEC include MiSide, STEINS;GATE, Lobotomy Corporation | Monster Management Simulation, Slay the Princess — The Pristine Cut, and The Test. We matched them by the tags players give ARTSEC on Steam (Story Rich, Simulation, Science, Sci-fi, and Singleplayer): closest matches first, and among equally close ones the better-known games.

MiSide
Shared: Story Rich · Psychological Horror · Singleplayer

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

Lobotomy Corporation | Monster Management Simulation
Shared: Story Rich · Simulation · Psychological Horror

Slay the Princess — The Pristine Cut
Shared: Story Rich · Visual Novel · Psychological Horror

The Test
Shared: Simulation · Story Rich · Psychological Horror

SOMA
Shared: Story Rich · Psychological Horror · Sci-fi

Prey
Shared: Sci-fi · Singleplayer · Immersive Sim

KinitoPET
Shared: Psychological Horror · Story Rich · Indie

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

Sultan's Game
Shared: Story Rich · Singleplayer · Simulation

No, I'm not a Human
Shared: Story Rich · Psychological Horror · Singleplayer

The Talos Principle
Shared: Story Rich · Sci-fi · Singleplayer

Cyberpunk 2077
Shared: Story Rich · Singleplayer · Sci-fi

GNOSIA
Shared: Story Rich · Visual Novel · Sci-fi

Papers, Please
Shared: Simulation · Singleplayer · Story Rich

Half-Life 2
Shared: Sci-fi · Story Rich · Singleplayer

Kerbal Space Program
Shared: Simulation · Science · Singleplayer

Milk outside a bag of milk outside a bag of milk
Shared: Story Rich · Psychological Horror · Visual Novel

Portal 2
Shared: Singleplayer · Story Rich · First-Person

Lucy -The Eternity She Wished For-
Shared: Story Rich · Visual Novel · Simulation

Supermarket Simulator
Shared: Simulation · Singleplayer · Immersive Sim

What Remains of Edith Finch
Shared: Story Rich · Singleplayer · First-Person

Portal
Shared: Singleplayer · Sci-fi · First-Person

Love Is All Around
Shared: Singleplayer · Visual Novel · Story Rich