Games like Alien History
Games like Alien History include Pentiment, A Plague Tale: Requiem, Her Story, Old Skies, and Syberia: The World Before. We matched them by the tags players give Alien History on Steam (Adventure, Interactive Fiction, Point & Click, Choose Your Own Adventure, and Exploration): closest matches first, and among equally close ones the better-known games.

Pentiment
Shared: Adventure · Interactive Fiction · Exploration

A Plague Tale: Requiem
Shared: Adventure · Exploration · Cinematic

Her Story
Shared: Interactive Fiction · Choose Your Own Adventure · Exploration

Old Skies
Shared: Adventure · Interactive Fiction · Point & Click

Syberia: The World Before
Shared: Adventure · Point & Click · Exploration

Breakout 13
Shared: Interactive Fiction · Choose Your Own Adventure · Exploration

The Case of the Golden Idol
Shared: Point & Click · Interactive Fiction · 2D

Storyteller
Shared: Interactive Fiction · Point & Click · Adventure

No Case Should Remain Unsolved
Shared: Interactive Fiction · Point & Click · Adventure

60 Seconds! Reatomized
Shared: Choose Your Own Adventure · 2D · Point & Click

The Rise of the Golden Idol
Shared: Adventure · 2D · Conspiracy

The Wolf Among Us
Shared: Adventure · Choose Your Own Adventure · Point & Click

The Silent Age
Shared: Adventure · Point & Click · Alternate History

Who's Lila?
Shared: Point & Click · Choose Your Own Adventure · Interactive Fiction

Confidential Killings - A Detective Game
Shared: Adventure · Point & Click · Interactive Fiction

Murders on the Yangtze River
Shared: Adventure · Exploration · Detective

Suzerain
Shared: Choose Your Own Adventure · Interactive Fiction · Point & Click

Amanda the Adventurer 2
Shared: Adventure · Interactive Fiction · Point & Click

THE LONGING
Shared: Point & Click · Choose Your Own Adventure · 2D

Tangle Tower
Shared: Point & Click · Exploration · 2D

The Mermaid Mask
Shared: Adventure · Point & Click · Interactive Fiction

60 Seconds!
Shared: Choose Your Own Adventure · Exploration · Point & Click

Detective Di: The Silk Rose Murders
Shared: Point & Click · Interactive Fiction · Adventure

Shadows Over Loathing
Shared: Adventure · Point & Click · Choose Your Own Adventure