Retroid: Cartridge Protocol
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.
Does this feel indie?
Vote based on whether this game feels indie to you. You can change your vote at any time. Results earn an IGF score after 10 accepted votes.| ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan. | Status | Notes Latest Contributor: IGF TeamEdit notes |
|---|---|---|
Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer. | ||
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher. | ||
Updated: Jul 14, 2026Publisher statusHow the game's publishing relationship is classified. | ||
Updated: Jul 14, 2026Creative controlWho appears to retain creative control of the game. | ||
Updated: Jul 14, 2026Release statusWhether and how the game has been released. |
Media
11 itemsAbout the 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.
