ProxOS: Learn Assembly Programming in a Simulated Retro OS

9/9/2026, 2:35:07 AM

Release date: 3/8/2024

Tags: #puzzle #simulation #education #sandbox #programming #2d #team-based #singleplayer

User Reviews

Score: 94%Positive
Review Count: 17 reviews
Fetched At: 9/9/2026, 2:35:07 AM

Reference prices

Japan

Free to Play (JPY)

Steam JP

Free to Play (USD)

Steam

Live Store Snapshot

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Japan Price: Free to Play
Global Price: Free to Play
Sale Status: Regular pricing
Price Checked At: 9/9/2026, 2:30:51 AM

Key highlight

ProxOS is a free-to-play 2D puzzle and simulation game where you learn assembly programming on a simulated retro OS. It features a powerful editor, custom challenges, and online leaderboards.

Who this is for

Recommended for those interested in learning assembly language or experiencing a classic computing environment. It balances educational value with engaging gameplay.

Details

Overview

ProxOS invites players to step back in time and experience the world of software development as it was 30 years ago. This simulated operating system is designed to be an accessible platform for learning assembly programming. It offers a unique blend of educational content and engaging gameplay, allowing users to tackle increasingly complex challenges.

Highlights

Retro Simulation: Code in assembly and run it on a simulated 32KHz processor, offering an authentic glimpse into early computing.
Educational Tools: Features a robust editor with debugging capabilities, essential for mastering assembly language.
Community & Customization: Enjoy custom skins and challenges, compete on online leaderboards, and explore hidden features like overclocking.

Who It's For

ProxOS is ideal for aspiring programmers, retro computing enthusiasts, and anyone curious about the fundamentals of how software interacts with hardware. Its puzzle and sandbox elements make learning assembly an interactive and rewarding experience, suitable for both solo learners and those who enjoy friendly competition.

Game Info

Developed and published by slojanko, ProxOS is a 2D puzzle and simulation game with strong educational and programming elements. It supports singleplayer and multiplayer modes, allowing for collaborative or competitive problem-solving. The game is free to play and features Steam Cloud support. It was released on March 8, 2024.