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Retroid: Cartridge Protocol
Main gameEarly accessIGDB
By: Zero1Play
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By: Zero1Play
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A roguelike action game against evolving enemies. Wipe out the Legion across shifting battlefields, hack enemy facilities, and grow stronger with every Cartridge. Get ready for intense retro sci-fi combat!
PC (Microsoft Windows) · Nov 7, 2025
Worldwide · Exact date · Early access · IGDB
Catalog sources
25 achievements available.
Defeat the boss Ironspire Guardian in The Foundry Core.
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Defeat the boss Sawteeth in Ironspire Foundry.
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Defeat the boss Smelter Colossus X-07 in The Smelter Nexus.
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Collect 10,000 Alloys.
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Collect 5,000 Modules.
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Collect 500 Processors.
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Defeat 200 elite enemy units.
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Defeat 100 Punctron defense bots.
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Destroy 200 dismantler robots: Razor.
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Eliminate 200 steel rollers: Road Melter.
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Defeat 100 Shredder bots.
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Destroy 200 surveillance drones: Specter.
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Destroy 200 energy-supply drones: Spulser.
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Eliminate 500 worker robots: Volt.
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Upgrade your frame 10 times.
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Perform hacking growth 10 times.
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Skip hacking growth 5 times.
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Obtain the Alien Flame Pack (Flame Jet).
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Obtain the Hammering Fury Pack (Gravhammer).
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Obtain the In-Zone Pack (Volt Rod).
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Obtain the Rugged Warrior Pack (Drill Core).
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Obtain the Sunrise Rider Pack (Sunbuster).
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Clear Trial map 5 times.
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Return 10 times after depleting all battery power.
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Return 10 times after losing all health.
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Community notes
