
Proto Zero CD Key
PC price comparison · ExtraWildGames · Oct 7, 2026
There Is No Point In Looking Back. The Only Way Left Is Forward. - O. Escape the mega complex and find out what happened to the world our Protagonist Yuuto once knew after his long slumber, in this new generation 3d action sci-fi brawler.
Lowest final price
at Steam · Standard Official
Historical low: $11.99 on October 8, 2026
Get the best deal ↗Compare Proto Zero key prices
Sorted by final price including fees, never by commission.
Key resellers are being added. Until then you’ll find the official stores here.
Proto Zero price history
The chart appears after a few days.
Historical lows by store
- Steam$11.99
About Proto Zero
Story Proto Zero is a 3d action game set in the far future inhabited by hostile enemies known as AUTOs in an automated megastructure. Our protagonist wakes up from a cyber container, keeping him alive and sustained for who knows how long. The only thing left to his name is the name written on his container: YUUTO. Play As YUUTO and fight your way through hordes of relentless AUTOs and escape the megastructure to find out the origins of this world. Gameplay Dynamic Difficulty - the better you are at the game, the harder the game will be. Being in higher severity will give you better rewards off power moves! Power Protocols - Power up, speed through, heal or pollute the environment with Proton with your power moves! (meter sold separately) Free Form Ligament system - Chain together any limbs together and/or hold each limb for stronger attacks! Combat Prowess - Gain prowess by doing certain actions in the game to boost your performance, along with boosts to your energy and health ! Features Culling Time - Timed Survival against enemy hordes in the CYBUNKER. Take out as many as you can and survive before the time hits 0! Liquidation Station - Survival with No time limit. Get the best time and defeat the designated amount of enemies in style! One Chance Clear - Permadeath of the main story mode. Dying here will reset the game from the beginning. Flat Futurism - A mix of a flat, cel-shaded graphical aesthetic blended in with complex mechanical geometry.Read more
Proto Zero system requirements
Minimum
- OS: Windows 10/11
- Processor: Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz (2.59 GHz) (Intergrated graphics)
- Graphics: Nvidia 2080 RTX Super
- DirectX: Version 11
- Storage: 3 GB available space
- Additional Notes: Lowest possible specs tested, will need to research further. Works with ASUS ROG Ally well
Proto Zero key FAQ
+What is a Proto Zero CD key?
A Proto Zero CD key is a digital code that unlocks the game on a PC platform such as Steam. After redeeming it, you download the game directly from that platform and it stays in your library.
+What is the cheapest price for Proto Zero?
The cheapest Proto Zero key right now costs $11.99 at Steam, 40% off the regular price. We compare 1 offers from 1 store, and the price already includes payment and service fees.
+What is the historical low for Proto Zero?
The lowest price we have recorded for Proto Zero is $11.99 on October 8, 2026. Check the price history chart to decide whether to buy now or wait for the next sale.
+Is it safe to buy a Proto Zero key?
Buying from an official store such as Steam, GOG or Epic Games is always safe. Key resellers are often cheaper but sell keys second-hand, so check the region lock and buyer protection before you buy. Every offer on GameKeyDeal is labelled as official or reseller.







