Game overview
The Mortimer Paradox
A third-person sci-fi horror game about exploring your grandfather’s abandoned mansion and its interdimensional portals. Solve puzzles, evade monsters, and uncover why Dr. Voss vanished.
- Last tracked players
- 0
- Recorded peak
- Unavailable
- 24-hour change
- Unavailable
Delayed observation · last tracked . Values marked unavailable are not estimated. Recorded peak is the highest player count observed by SteamIQHQ; earlier records may be outside our coverage.
About this game Read the full description
Navigate your way through the strange dimensions create by your Grandfather, and you search to find out what happened to him. Find out why the crack in reality he created may end everything. Discover why he dove deeper in, and maybe find a way back to reality for yourself.

A Third-Person Sci-Fi Horror Thriller
Step into the fractured realities of Morty's grandfather, Dr. Adrean Voss, a brilliant physicist whose experiments with dimensional spaces have torn the fabric of reality. As Morty, you’ll traverse surreal landscapes shaped by Voss’s unraveling psyche, uncovering a story where identity, loss, and obsession collide.
What to expect when you step through the portals...
Cinematic Third-Person Exploration: Navigate surreal environments Dr. Voss's memories bleed into reality.
Narrative-Driven Gameplay: Uncover a deeply emotional story about identity, loss, and the cost of rewriting fate. Told through pages of Voss's notebooks, environmental storytelling, and voice-over fragments.
Multiple Endings: In the end, it all comes to a climax, will you break the paradox or become part of it?
Atmospheric Music: Music by Marcin Szmuc
Stylized Visuals: A fragmented, dreamlike aesthetic that reflects the unraveling psyche of Dr. Adrean Voss.
What You Get
Full single-player campaign (currently aiming for 2+ hours)
Multiple save slots
Controller and keyboard/mouse support
Steam Achievements (planned for final release)
Focused on exploration, and story immersion

Media gallery 13 screenshots · 0 videos
Screenshots
Player activity
Concurrent players over the last 48 hours.
System requirements Windows
Windows
Minimum
Minimum:- OS: Windows 11
- Processor: AMD Ryzen 5 5600x
- Graphics: AMD Radeon RX 6600 XT
- Storage: 2 GB available space
Recommended
Recommended:- OS: Windows 11
- Processor: AMD Ryzen 5 5600x
- Memory: 8 GB RAM
- Graphics: Nvidia GeForce RTX 3060
- Storage: 2 GB available space
Game details Languages, features & support
- Publisher
- Porch Goat Studio LLC
- Brazilian rating
- 14
- Steam Germany rating
- 16
- Achievements
- 15
- Controller support
- full
- Features
- Single-player, Steam Achievements, Full controller support, Custom Volume Controls, Gamepad Recommended, Playable without Timed Input, Stereo Sound, Family Sharing
- Languages
- English*
*languages with full audio support - Support
- [email protected]
More analysis Activity patterns, updates & developer tools
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