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.
| Store | Edition | Activates on | Region | Price | Fees | Final price | |
|---|---|---|---|---|---|---|---|
SteamOfficial | Standard | Steam | Global | −40%$11.99 | none | $11.99 | Go to store ↗ |
- SteamOfficial
Standard · Steam · Global
$11.99 · fees: noneGo to store ↗$11.99
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.
