Games like Posthuman: Guardians vs PSION
Games like Posthuman: Guardians vs PSION include The Life and Suffering of Sir Brante, Suzerain, Baldur's Gate 3, Roadwarden, and Choice of Robots. We matched them by the tags players give Posthuman: Guardians vs PSION on Steam (RPG, Interactive Fiction, Choose Your Own Adventure, Text-Based, and Futuristic): closest matches first, and among equally close ones the better-known games.

The Life and Suffering of Sir Brante
Shared: RPG · Interactive Fiction · Choose Your Own Adventure

Suzerain
Shared: Choose Your Own Adventure · Interactive Fiction · RPG

Baldur's Gate 3
Shared: RPG · Character Customization · Choices Matter

Roadwarden
Shared: RPG · Text-Based · Interactive Fiction

Choice of Robots
Shared: Choose Your Own Adventure · Interactive Fiction · Text-Based

Breakout 13
Shared: Interactive Fiction · Choose Your Own Adventure · Lore-Rich

Slay the Princess — The Pristine Cut
Shared: Choose Your Own Adventure · Interactive Fiction · Romance

The Life and Suffering of Sir Brante — Chapter 1&2
Shared: Interactive Fiction · Choose Your Own Adventure · RPG

Aliya: Timelink
Shared: RPG · Interactive Fiction · Text-Based

Vampire: The Masquerade — Night Road
Shared: Choose Your Own Adventure · Interactive Fiction · Text-Based

Arcadie: Second-Born
Shared: Interactive Fiction · Text-Based · Choose Your Own Adventure

Dispatch
Shared: Choose Your Own Adventure · Romance · Superhero

Heroes Rise: The Prodigy
Shared: RPG · Choose Your Own Adventure · Text-Based

Mass Effect™ Legendary Edition
Shared: RPG · Choices Matter · Character Customization

I Wani Hug that Gator!
Shared: Choose Your Own Adventure · Interactive Fiction · Romance

Love Is All Around
Shared: Interactive Fiction · Romance · RPG

Fallen Hero: Rebirth
Shared: RPG · Text-Based · Choose Your Own Adventure

Legend of Mortal
Shared: RPG · Lore-Rich · Choices Matter

极速营救
Shared: RPG · Interactive Fiction · Choose Your Own Adventure

Cyberpunk 2077
Shared: RPG · Futuristic · Story Rich

The Three Kingdoms: Rebirth
Shared: Interactive Fiction · Romance · RPG

Citizen Sleeper
Shared: RPG · Interactive Fiction · Text-Based

I Was a Teenage Exocolonist
Shared: RPG · Choose Your Own Adventure · Interactive Fiction

我打不过漂亮的她们
Shared: RPG · Interactive Fiction · Choose Your Own Adventure