Game Overview
A dream home becomes a claustrophobic trap in this top-down pixel horror story, where ordinary worker Akin discovers that the property’s history refuses to stay buried. The house is tied to Mantis, a serial killer whose fractured past slowly bleeds into Akin’s present, turning familiar rooms into sources of dread and uncertainty. Rather than relying on cheap shocks alone, the game leans into psychological unease, using its retro presentation to make every dark corridor and unsettling clue feel deliberately placed. The mood is grim, intimate, and increasingly unstable as the boundaries between memory, crime, and reality begin to blur.
Players guide Akin through the house and its surrounding mysteries, searching rooms, examining evidence, and piecing together the story behind its former residents. Progress depends on solving demanding environmental puzzles, finding key items, and surviving situations designed to create pressure rather than empower the player. Exploration is central to the experience: seemingly minor notes, hidden paths, and overlooked details can reveal more about Mantis while opening routes toward alternative conclusions. The narrative generally follows a focused sequence, but careful players can uncover secrets that change how the final events play out.
Its strongest feature is the contrast between simple pixel-art visuals and the disturbing material they portray; the overhead perspective creates a detached look at first, then makes the home feel like a hostile maze under constant scrutiny. Immortal Mantis favors atmosphere, investigation, and puzzle-solving over fast action, making it a better fit for players who enjoy being unsettled by implication and discovery. The branching ending structure also gives completion-minded horror fans a reason to revisit areas and inspect every suspicious detail. Fans of indie psychological horror in the vein of retro survival games, especially those who appreciate darker narratives and challenging puzzles, are likely to find plenty to chew on here.
Screenshots
Installation
- Click the green button below to be redirected to UploadHaven.
- Wait 15 seconds, then hit “Free Download.” (Free downloads may be slower — upgrade to UploadHaven Pro for faster speeds.)
- Once downloaded, right-click the .zip file and choose “Extract to Immortal Mantis.” (You’ll need 7-Zip for this.)
- Open the extracted folder and run the game as administrator.
- Enjoy! 🎮 If you see missing DLL errors, check the _Redist folder inside and install what’s needed.
System Requirements
- Requires a 64-bit processor and operating system
- OS: Windows 7
- Processor: I3
- Memory: 2 GB RAM
- Graphics: Any
- DirectX: Version 11
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Immortal Mantis?
After extracting Immortal Mantis, navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 214.36 MB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Why should I run the game as administrator?
Right-click the game executable and select "Run as Administrator" to avoid save file issues and permission errors. This is especially important on the first launch.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
This game requires Version 11. Try running in compatibility mode, install the latest DirectX runtime, or install the All-in-One VC Redist Package.
My antivirus is blocking the game — is it safe?
Antivirus false positives are common with pre-installed games. Temporarily pause your antivirus during extraction to prevent it from quarantining game files. You can re-enable it after the extraction completes.