Ruyn HD

Retro first-person shooter with timed combos and rewards for varied kills

Flump Studios · Released Jun 3, 2025

Reviews: Very Positive; 85% of 87
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 1 year ago; Jun 17, 2025
Minimum PC: GTX 750 Ti; 6 GB RAM · 0.5 GB disk; Full requirements

What is Ruyn HD?

A free, single-player first-person shooter where you eliminate every enemy in each short level before reaching the exit. Some weapons share ammunition, including the two shotguns. It is a remake of Ruyn, with the original Ruyn Classic also included.

For you if...

+you want to build your own first-person shooter levels

Not for you if...

−you prefer slow, deliberate combat with time to aim

What players say

85% of 87 reviews are positive

Players praise the old-school shooting and the HD soundtrack. Complaints focus on floaty or overly twitchy mouse aiming and limited control customization.

Screenshots and trailer

Ruyn HD system requirements

Minimum: GTX 750 Ti, 6 GB RAM, 0.5 GB of disk space.

As published by the developer.

Can my PC run Ruyn HD?

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Minimum

OS: Windows 10 64-bit
Processor: Intel Core i3-6100 / AMD FX-6300
Graphics: NVIDIA GTX 750 Ti / AMD Radeon HD 7950
Memory: 6 GB RAM
Storage: 500 MB available space
DirectX: Version 11

Does Ruyn HD have co-op or multiplayer?

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

Single-player

Does Ruyn HD run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 19
Steam features: Cloud saves, Family Sharing
Languages: Text only: English.

Does Ruyn HD 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 27, 2026. How to filter AI games on Steam