Retroid: Cartridge Protocol

🎮 About the Game

Retroid: Cartridge Protocol is a retro-futuristic roguelike action game.
Adapt fast, evolve faster—each stage is a battle of growth between you and an ever-changing enemy force.

📘 Lore

“Insert the Cartridge. In that moment, you evolve.”

You are Zero One, the last hope of a fallen planet, on a mission to find the missing scientist, Dr. Evelyn.
Zero One is the only being capable of unlocking the hidden power inside the retro game Cartridges she left behind.
Within those nostalgic shells lies the immense power Victor has been desperately seeking.
Rescue Evelyn and reclaim your world from Victor’s Overmind Legion.

⚔️ Features

- Roguelike combat where enemies evolve too 
The enemy AI grows stronger with each stage. Keep up—or get left behind.

- Relentless boss battles that keep you on edge 
Unpredictable patterns and rapid attacks make every encounter a tense and unforgiving fight for survival.

- Collect and upgrade powerful Cartridges 
Hack enemy facilities to unlock new weapons and temporary upgrades that shape your combat style.

- A rich sci-fi world with bold visuals 
Uncover the mystery of the missing scientist, explore ruins of forgotten tech, and unlock the secrets of Zero One. 

- Every failure leads to growth 
Even defeat gives you data to grow stronger. Learn, upgrade, and try again in a loop of relentless progress.

Find all the retro game cartridge, evolve to the ultimate level, and reclaim the planet ruled by the Overmind legion!

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Language : English, Korean, Japanese

Basic Controls — Movement

1. Move: [W A S D]

2. Dash: [Spacebar]

Basic Controls — Combat

1. Melee Attack (Main Weapon): [Left Mouse Button]

2. Ranged Attack (Sub Weapon): [Right Mouse Button]

3. Charge Attack: [Hold] the corresponding mouse button for the desired weapon