Buy Onion Force PC Key

Looking for a cheap Onion Force key? As of 22 Aug 2026 the cheapest key costs £0.38 at GameBoost. We compare 12 offers from 12 stores, spanning £0.38 to £4.29. In keyshops the lowest price is £0.38, in official stores it starts at £4.29. 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. 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: 02 Mar 2016
Queen Bee Games
Metacritic:
tbd tbd
Steam:
Overwhelmingly Positive (20)
Buy in Official Store:
£4.29
Buy in Keyshops:
-91%
£0.38
See price history

Official Stores (3)

DRM:
Steam
Steam
Steam
Onion Force
Windows
4w ago
DRM:
Steam
Steam
£4.29
Green Man Gaming
Onion Force
Windows
4w ago
DRM:
Steam
Green Man Gaming
£4.29
GamersGate
Onion Force
Windows
26w ago
DRM:
Steam
GamersGate
£4.29
-10% with XDD10copy
-10% with XDD10copy

Keyshops (9)

DRM:
Steam
Steam
GameBoost
Onion Force Steam CD Key
Windows
20w ago
DRM:
Steam
GameBoost
£4.35 ~£0.38
-91%
Gameseal
Onion Force (PC) Steam Key - GLOBAL
Windows
23h ago
DRM:
Steam
Gameseal
£4.29 ~£0.54
-87%
-17% with SEAL17XDDcopy
-17% with SEAL17XDDcopy
Kinguin
Onion Force Steam CD Key
Windows
7h ago
DRM:
Steam
Kinguin
£4.27 ~£0.59
-86%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
G2Play
Onion Force Steam CD Key
Windows
1d ago
DRM:
Steam
G2Play
£4.28 ~£0.59
-86%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Difmark
Onion Force (PC)
Windows
4w ago
DRM:
Steam
Difmark
£4.29 ~£0.62
-85%
-15% with XDDEALScopy
-15% with XDDEALScopy
Onion Force (PC) Steam Key GLOBAL
5.0
Windows
8h ago
DRM:
Steam
Eneba
£4.27 ~£0.63
-85%
-10% with XDD10copy
-10% with XDD10copy
G2A
Onion Force Steam Key GLOBAL
Windows
1w ago
DRM:
Steam
G2A
£4.29 £1.12
-73%
-8% with G2A8XDDcopy
-8% with G2A8XDDcopy

About Onion Force

Onion Force - about the game

Onion Force blends tower defense mechanics with action adventure progression in a single player PC title. Players defend the last remaining king by selecting from three heroes, each equipped with distinct abilities, while managing resources across thirty levels set in six distinct locations. The core loop involves collecting gold, onions, and equipment to strengthen a team and construct defenses tailored to incoming threats amid varied terrain, weather effects, and destructible environments.

Gameplay

The experience centers on strategic decision making during each stage. Players position eight different tower types, each upgradeable through five power levels, to counter enemy waves effectively. Hero abilities add direct intervention options, allowing characters to engage threats personally while towers handle sustained pressure. Equipment collection expands options significantly, with thousands of pieces available to customize hero stats and capabilities over the course of the campaign.

Resource management plays a central role. Gold funds tower construction and upgrades, while collectable onions convert into power ups that provide temporary advantages. Adjustable game speed lets players accelerate routine sections or slow down intense moments for precise placement. Cartoon style visuals and detailed animations highlight the chaos of battles, with special effects emphasizing tower firings and environmental interactions.

Game Modes

The game structures its content as a linear campaign of thirty expansive levels distributed across six fully realized locations. Progression requires adapting tower selections and hero loadouts to shifting enemy compositions and environmental conditions in each stage. No separate multiplayer or alternative formats exist, keeping focus on the single player campaign where choices in equipment and tower builds determine success against escalating threats.

Levels incorporate destructible elements and weather variations that alter strategy on the fly. Players must balance defensive setups with opportunities to collect additional resources, ensuring towers remain effective as waves intensify. This setup encourages replay consideration through different hero choices and equipment combinations within the fixed level sequence.

Key Features and Systems

Three playable heroes form the foundation of team building, each bringing unique abilities that complement tower defenses. Equipment systems allow extensive customization, turning collected items into meaningful upgrades that influence both hero performance and overall survival chances. Onion trading expands tactical variety by unlocking power ups suited to specific level challenges.

Tower variety supports multiple approaches. The eight types offer different damage profiles and ranges, with five upgrade tiers per type unlocking stronger effects. Environmental factors like terrain and weather force constant reevaluation of placements, while destructible objects add layers of interaction during defense.

Is It Worth Playing?

Onion Force suits players who enjoy deliberate tower defense combined with light RPG progression and hero management. The thirty level campaign delivers consistent strategic depth through resource collection, tower upgrades, and environmental adaptation without requiring external support or additional content. Positive reception on major distribution platforms reflects appreciation for the cartoon presentation and the mix of planning with direct action.

Those seeking a self contained indie experience with clear progression and replay value from equipment and hero experimentation will find the systems rewarding. The absence of ongoing updates means the game stands as a complete package focused on its original design. Availability on PC platforms makes it accessible for fans of hybrid strategy titles who prefer single player campaigns over competitive modes.

Interface:
English
Audio:
English
Subtitles:
English

Age rating

Unavailable
Metacritic:
tbd tbd
Steam:
Overwhelmingly Positive (20)

Minimum:

  • Processor: 1.2 Ghz
  • Memory: 2 GB RAM
  • Graphics: 256 MB
  • DirectX: Version 10
  • Storage: 250 MB available space

Recommended:

  • Processor: 1.2 Ghz
  • Memory: 2 GB RAM
  • Graphics: 256 MB
  • DirectX: Version 10
  • Storage: 250 MB available space
Historical low
Price history from official stores
£2.14
Steam
1 months ago
Price history from keyshops
£0.29
Gameseal
3 months ago

FAQ

9 questions

Before you start looking for a cheap Onion Force PC key, check the essentials. Developed by Queen Bee Games. Published by Thalamus Digital. PC released date: 02 Mar 2016. Genres: Action, Strategy, Indie, RPG, Adventure. Categories: Family Sharing, Steam Trading Cards, Single-player, Full controller support.

Q

Where to buy a cheap Onion Force Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Onion Force key for as low as £0.38. This deal is available at GameBoost 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 Onion Force price on PC. Check the Onion Force price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Onion Force Steam price is £4.29. 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 Onion Force on sale even outside seasonal promotions. We currently detect 12 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, Onion Force 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 £0.29 to £5.44. We have recorded offers from 13 stores in total, and from 3 in the most recent reading. The cheapest offer came most often from Gameseal: 58 of 151 days with data. Half of all readings fell between £0.37 and £1.14.

Yes. Onion Force has an official page on the Steam Store. You can also buy a Onion Force Steam key from third-party sellers. Our price comparison currently includes 12 offers with Steam DRM. Pick one to ensure your Onion Force download happens on Valve's platform.

Not at this time. Valve marks Onion Force 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 Onion Force 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 Onion Force 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 Onion Force

1 GameBoost GameBoost Keyshop
-91% £0.38
2 Gameseal Gameseal Keyshop
-87% £0.54
3 Kinguin Kinguin Keyshop
-86% £0.59
4 G2Play G2Play Keyshop
-86% £0.59
5 Difmark Difmark Keyshop
-85% £0.62

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