Full game metadata
| Field | Value |
|---|---|
| Steam app type | game |
| Steam App ID | 3867650 |
| Live current players | 0 |
| SteamPulse tracked peak | 1 |
| Live count (today's peak floor) | 0 |
| Price | $2.99 |
| Free to play | No |
| Discount | 0% |
| Original price USD | $2.99 |
| Current price USD | $2.99 |
| Release date | Nov 7, 2025 |
| Developer | Zero1Play |
| Publisher | Zero1Play |
| Owners estimated | Not available |
| SteamSpy owner estimate minimum | Not available |
| SteamSpy owner estimate maximum | Not available |
| Review type | 4 user reviews |
| Positive review percent | 100% |
| Positive reviews | 4 |
| Negative reviews | 0 |
| Total reviews | 4 |
| Steam recommendations | Not available |
| Achievements | 25 |
| Average playtime forever | Not available |
| Windows support | Yes |
| macOS support | No |
| Linux support | No |
| Parent game | Not available |
| Store URL | https://store.steampowered.com/app/3867650/ |
Short description
Endless battlefields, endless threats from the Overmind army. Grow stronger through retro game cartridges, unleash powerful action, and dive into relentless roguelike combat. In this blend of classic vibes and modern impact, become the last hero to reclaim the planet.
About this game
🎮 A New Experience in Sci-Fi Action Roguelike Retroid: Cartridge Protocol combines fast-paced combat, unpredictable enemies, and the thrill of progression into a high-quality sci-fi roguelike experience. Every run offers new battles and strategic choices, keeping the challenge fresh and immersive. 📘 Lore Once overshadowed, Dr. Victor stole Dr. Evelyn’s groundbreaking technology out of envy, creating the Overmind army to seize control of the planet. As Prototype Zero-One, you are the only one who can unlock the hidden power within the cartridges and reclaim the world. ⚔️ Features Unpredictable battles – Enemy evolutions create new combat patterns every run. Simple yet deep controls – Outsmart foes and map traps with melee strikes and precise dashes. Progress through exploration – Permanent and temporary upgrades fuel long-term growth. Detailed sci-fi design – Immerse yourself in a richly crafted futuristic world. Find every cartridge. Unlock your final evolution. Take back the planet from the Overmind army.
Supported languages
English, Korean, Japanese