Buy CPU Invaders PC Key

Looking for a cheap CPU Invaders key? As of 11 Aug 2026 the cheapest key costs $0.50 at G2Play. We compare 10 offers from 10 stores, spanning $0.50 to $29.99. In keyshops the lowest price is $0.50, in official stores it starts at $29.99. With this many sellers the gap between the extremes is often several times over, so picking the store matters more here than waiting for a sale. This game has been cheaper before, on 90% of the days we have data for. A price alert will let you know when the next drop comes. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.

Release: 17 Feb 2017
Metacritic:
tbd tbd
Steam:
Very Positive (503)
Buy in Official Store:
$29.99
Buy in Keyshops:
-98%
$0.50
In keyshops, it was cheaper on 90% of days with data.
See price history

Official Stores (1)

DRM:
Steam
Steam
Steam
CPU Invaders
Windows
2w ago
DRM:
Steam
Steam
$29.99

Keyshops (9)

DRM:
Steam
Steam
G2Play
CPU Invaders Steam CD Key
Windows
10h ago
DRM:
Steam
G2Play
$34.67 ~$0.50
-98%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
CPU Invaders Steam CD Key
Windows
10h ago
DRM:
Steam
Kinguin
$34.67 ~$0.50
-98%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Difmark
CPU Invaders (PC)
Windows
2w ago
DRM:
Steam
Difmark
$29.99 $0.50
-98%
-15% with XDDEALScopy
-15% with XDDEALScopy
Gameseal
CPU Invaders (PC) Steam Key - GLOBAL
Windows
9h ago
DRM:
Steam
Gameseal
$29.99 ~$0.53
-98%
-17% with SEAL17XDDcopy
-17% with SEAL17XDDcopy
CPU Invaders Steam Key GLOBAL
5.0
Windows
11h ago
DRM:
Steam
Eneba
$34.67 ~$0.59
-98%
-10% with XDD10copy
-10% with XDD10copy
Driffle
CPU Invaders (Global) (PC) - Steam - Digital Key
Windows
2d ago
DRM:
Steam
Driffle
$0.72 $0.67
-6%
-6% with XDDEALS6copy
-6% with XDDEALS6copy
Yuplay
CPU Invaders
Windows
1w ago
DRM:
Steam
Yuplay
$29.99 $0.74
-97%
-3% with XD3OFFcopy
-3% with XD3OFFcopy

About CPU Invaders

CPU Invaders - about the game

CPU Invaders is an indie casual twin-stick shooter for PC in which digital invaders have taken up residence inside a player's computer. The game overlays its action directly onto the desktop, allowing users to continue normal computer activities such as watching videos or chatting while defending against the threat. This setup creates a distinctive experience that blends classic shooter elements with everyday screen interaction.

Gameplay

The core loop centers on controlling a ship that moves across the desktop to eliminate waves of enemies. These invaders possess distinct abilities that require players to adapt their positioning and timing. A draggable interface lets users reposition game elements as needed during play. Boss encounters appear at key points, demanding focused attention amid the ongoing invasion. A scoring system tracks performance across sessions, encouraging repeated attempts to improve results. The entire experience runs lightly on system resources and requires Windows Aero to be active for the transparent background effect; without it the backdrop appears solid black.

Players interact with their actual desktop throughout, which means the game window does not fully obscure other applications. This overlap supports multitasking without pausing the action. The 8-bit soundtrack composed by Frost Orb provides a consistent retro audio layer that fits the pixel-art style and enemy designs. Controls remain straightforward, suiting the casual genre while still offering enough challenge through enemy variety and boss patterns.

Game Modes

The game structures its content around a sequence of ten levels that gradually increase in difficulty. Each stage introduces new enemy behaviors and culminates in boss fights that test the skills developed so far. Progression follows a linear path focused on clearing invaders and achieving higher scores. No separate multiplayer or alternate modes appear in the design, keeping the focus on this single-player campaign format.

Within the levels, the emphasis stays on survival and point accumulation rather than narrative branches or customization options. The fixed structure allows a complete playthrough in a short session, with the desktop integration serving as the primary variation from standard shooters.

Visuals and Audio

Pixel-art graphics keep the presentation simple and readable even when layered over a user's existing desktop wallpaper or open windows. The invaders and ship designs remain clear against varied backgrounds. Sound design relies on the original 8-bit tracks that loop appropriately during extended play without becoming intrusive.

The audio supports the casual pace, providing feedback for shots and enemy defeats while leaving room for external sounds from videos or voice chat running alongside the game.

Is It Worth Playing?

CPU Invaders appeals to players who want a brief, self-contained shooter that integrates with normal computer use. A full run through the ten levels takes roughly two and a half hours for most people, making it suitable for short sessions or quick breaks. The experience balances relaxation with occasional frustration from tougher enemy patterns and bosses.

Easy-to-obtain achievements provide extra motivation for those who enjoy completion goals. The title suits fans of casual indie games and classic twin-stick mechanics who appreciate a novel presentation over lengthy campaigns or complex systems. Its light system demands and desktop overlap make it accessible for anyone with a Windows PC that supports the required Aero feature.

Overall the game delivers a focused, low-commitment package that stands out through its unique integration rather than through expansive content or frequent updates. Those seeking a straightforward shooter with personality will find it fits well within the casual genre.

Interface:
English
Audio:
English
Subtitles:
English

Age rating

Unavailable
Metacritic:
tbd tbd
Steam:
Very Positive (503)

Minimum:

  • Processor: 2.0 GHz
  • Memory: 2 GB RAM
  • Graphics: NVIDIA GeForce GT 240 (or better)
  • Storage: 75 MB available space
  • Additional Notes: Mininum Screen Size (1280x720)

Recommended:

  • Processor: 2.0 GHz
  • Memory: 2 GB RAM
  • Graphics: NVIDIA GeForce GT 240 (or better)
  • Storage: 75 MB available space
  • Additional Notes: Mininum Screen Size (1280x720)
Historical low
Price history from official stores
$1.49
Steam
1 months ago
Price history from keyshops
$0.34
Gameseal
2 weeks ago

FAQ

9 questions

Before you start looking for a cheap CPU Invaders PC key, check the essentials. Developed by Microblast Games. Published by SA Industry. PC released date: 17 Feb 2017. Genres: Indie, Casual. Categories: Family Sharing, Steam Trading Cards, Single-player, Steam Achievements.

Q

Where to buy a cheap CPU Invaders Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a CPU Invaders key for as low as $0.50. This deal is available at G2Play and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest CPU Invaders price on PC. Check the CPU Invaders price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the CPU Invaders Steam price is $29.99. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find CPU Invaders on sale even outside seasonal promotions. We currently detect 10 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, CPU Invaders is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

The spread between offers was wide: from $0.34 to $29.99. The current price is high against its own history: it was cheaper on 90% of days with data. We have recorded offers from 11 stores in total, and from 1 in the most recent reading. The cheapest offer came most often from Eneba: 56 of 156 days with data.

Yes. CPU Invaders has an official page on the Steam Store. You can also buy a CPU Invaders Steam key from third-party sellers. Our price comparison currently includes 10 offers with Steam DRM. Pick one to ensure your CPU Invaders download happens on Valve's platform.

Not at this time. Valve marks CPU Invaders as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

According to our data CPU Invaders is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best CPU Invaders deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for CPU Invaders

1 G2Play G2Play Keyshop
-98% $0.50
2 Kinguin Kinguin Keyshop
-98% $0.50
3 Difmark Difmark Keyshop
-98% $0.50
4 Gameseal Gameseal Keyshop
-98% $0.53
5 Eneba Eneba Keyshop
-98% $0.59

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