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Posthuman: Guardians vs Psion cover

Posthuman: Guardians vs Psion 2026

Role-playing (RPG) by Choice of Games, published by Choice of Games.

Linux PC (Microsoft Windows) Mac Role-playing (RPG)
43%
Mixed
14 Steam reviews

About

Choose from 20+ distinct superpowers! Lead your team of superheroes to the moon and beyond, and stop the supervillains of PSION—unless, of course, you join them. Posthuman: Guardians vs PSION is an interactive superhero novel by Evan J. Peterson, author of Drag Star!, where your choices control the story. It's entirely text-based, 300,000 words and hundreds of choices, without graphics or sound effects, and fueled by the vast, unstoppable power of your imagination.

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Media

Posthuman: Guardians vs Psion screenshot

Releases

Platform
Date
April 23, 2026
April 23, 2026
April 23, 2026

Earliest full release on each platform; regional dates can differ.

PC and Steam Deck

Steam store page
Minimum
Recommended
OS
Windows 10
-

Requirements and Deck status as listed on Steam, checked Oct 28, 2026.

Posthuman: Guardians vs Psion player count

concurrent players on Steam
130-day peak
1highest we have seenNov 1, 2026
Oct 29: 1 Oct 30: 0 Oct 31: 0 Nov 1: 1 Nov 2: 0 Nov 3: 0 Nov 4: 0 Nov 5: 0
Oct 29daily peak, last 8 daystoday

Players counted on Steam every one to six hours; the daily peak is the highest count of the day.

Posthuman: Guardians vs Psion achievements

25 achievements on Steam

Rarest

Brain Fog Why can't you remember?
0.8%
Pinch Hitter Recruit a vigilante when the odds are stacked against you.
0.8%
You Did WHAT!?
1.3%
A Cold And Bitter Throne
1.3%
Topple the Guardians
2.1%
Drank The Poison Punch
4%
All 25 achievements by how many players unlocked them
Atomic Intervention
4.6%
From Hero To Villain
4.8%
The Mysterious Orachnid
5.1%
See Ya
5.6%
Met the Original Guardian
5.9%
Kino's Secret What happened to Kino? How is he even alive?
7.3%
Radicalized Perhaps PSION is right.
7.3%
Splat!
7.5%
Black Ops
12.7%
Sanctuary To The Rescue!
14.3%
Soul Food
21.9%
Who-or What-Is Morlock? Moloch? Morlock? WTH?
24.6%
Topple PSION Can you defeat PSION once and for all?
24.6%
Still Alive
24.9%
The Children Are Our Future Train the next generation of posthumans (at least once).
25.7%
Emerald Empire Steal a certain green crystal-if you dare.
27.9%
The Interview Interview a killer. Gather forensic research.
29.8%
Triple Threat Can you keep all three Alcalas from being recruited by PSION?
35.2%
Survivor Survive your first battle with PSION.
36%

Share of Steam players who unlocked each achievement.