Prototype Mansion - Used No Cover

Retro survival horror with mansion exploration and optional tank controls

Jupiter Lighthouse Games · Released Jul 19, 2018

Reviews: Mixed; 65% of 52
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 1 year ago; Oct 8, 2025
Minimum PC: HD 4000 series; 4 GB RAM · 0.2 GB disk; Full requirements

What is Prototype Mansion - Used No Cover?

A survival-horror adventure about surviving a night in an old mansion. You investigate objects, solve puzzles, and shoot enemies in the opening chapter of a horror anthology.

For you if...

+you like finding secrets and replaying games for unlockables
+you enjoy tongue-in-cheek takes on classic horror games

Not for you if...

−you want forgiving combat and plentiful ammunition

What players say

65% of 52 reviews are positive

Players praise the low-poly presentation, comic dialogue, and responsive controls. Complaints focus on punishing combat balance and save or respawn problems that can leave players stuck.

Screenshots and trailer

Prototype Mansion - Used No Cover screenshot 1

Prototype Mansion - Used No Cover system requirements

Minimum: HD 4000 series, 4 GB RAM, 0.2 GB of disk space.

As published by the developer.

Can my PC run Prototype Mansion - Used No Cover?

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Minimum

OS: Windows 7 or better
Processor: Dual-Core 2ghz
Graphics: Intel HD Graphics 4000 series or better
Memory: 4 GB RAM
Storage: 210 MB available space
DirectX: Version 10
Notes: This game is intentionally post-processed to a very low resolution. If you set your display to 640x480 you can get this running on all contemporary potatoes.

OS: Windows 7 or better
Processor: Intel i5 or equivalent
Graphics: Nvidia Geforce 600 series or better
Memory: 4 GB RAM
Storage: 210 MB available space
DirectX: Version 11
Notes: This game is intentionally post-processed to a very low resolution. If you set your display to 640x480 you can get this running on all contemporary potatoes.

Does Prototype Mansion - Used No Cover have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Prototype Mansion - Used No Cover run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, macOS, Linux
Achievements: 16
Steam features: Cloud saves, Family Sharing
Languages: Full audio: English.

Does Prototype Mansion - Used No Cover use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam