Buy Tachyon Project PC Key

Looking for a cheap Tachyon Project key? As of 13 Aug 2026 the cheapest key costs A$1.03 at G2Play. We compare 11 offers from 11 stores, spanning A$1.03 to A$14.17. In keyshops the lowest price is A$1.03, in official stores it starts at A$7.50. 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 96% 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: 15 July 2015
Steam:
Mostly Positive (24)
Buy in Official Store:
A$7.50
Buy in Keyshops:
-87%
A$1.03
In official stores, it was cheaper on 96% of days with data.
See price history

Official Stores (3)

DRM:
Steam
Steam
Steam
Tachyon Project
Windows
2w ago
DRM:
Steam
Steam
A$7.50
GamersGate
Tachyon Project
Windows
24w ago
DRM:
Steam
GamersGate
A$7.50
-10% with XDD10copy
-10% with XDD10copy
WinGameStore
Tachyon Project
Windows
2h ago
DRM:
Steam
WinGameStore
~A$14.17

Keyshops (8)

DRM:
Steam
Steam
G2Play
Tachyon Project Steam CD Key
Windows
17h ago
DRM:
Steam
G2Play
A$8.15 ~A$1.03
-87%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
Tachyon Project Steam CD Key
Windows
17h ago
DRM:
Steam
Kinguin
A$8.15 ~A$1.03
-87%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Gameseal
Tachyon Project (PC) Steam Key - GLOBAL
Windows
1w ago
DRM:
Steam
Gameseal
A$7.50 ~A$1.12
-85%
-17% with SEAL17XDDcopy
-17% with SEAL17XDDcopy
Tachyon Project Steam Key GLOBAL
5.0
Windows
18h ago
DRM:
Steam
Eneba
A$8.15 ~A$1.27
-84%
-10% with XDD10copy
-10% with XDD10copy
G2A
Tachyon Project Steam Key GLOBAL
Windows
4d ago
DRM:
Steam
G2A
A$7.50 A$1.73
-76%
-8% with G2A8XDDcopy
-8% with G2A8XDDcopy
Difmark
Tachyon Project (PC)
Windows
2w ago
DRM:
Steam
Difmark
A$7.50 ~A$2.50
-66%
-15% with XDDEALScopy
-15% with XDDEALScopy
CJS-CDKeys
Tachyon Project Steam Key (GLOBAL)
Windows
1d ago
DRM:
Steam
CJS-CDKeys
A$8.52 ~A$2.85
-66%

About Tachyon Project

Tachyon Project - about the game

Tachyon Project is a dual stick shooter that blends classic shoot 'em up mechanics with modern twin stick controls on PC. Players guide Ada, a sentient software program, through fast paced levels filled with varied enemies and weapon options. The game emphasizes precise aiming and movement while introducing occasional stealth segments that require careful timing to stay hidden.

Gameplay

Core controls place movement on one stick and shooting on the other, allowing fluid navigation through dense enemy formations. A wide selection of primary weapons combines with secondary options and power ups that alter firing patterns or add temporary advantages. Unique enemy designs force constant adaptation, as some require focused fire while others demand evasion or positioning. In select stages a stealth system activates, where firing draws attention and players must weigh when to engage versus remaining disguised to progress safely. Progression ties directly to story advancement, granting new weapons, secondary tools, and perks that expand combat options without altering the fundamental loop of survival and score chasing.

Game Modes

Story mode structures the experience as a linear campaign that reveals Ada's origins through successive levels. Each stage introduces fresh enemy waves and environmental challenges while unlocking permanent upgrades. Challenge modes shift focus to endless survival against increasing hordes, with scoring systems that reward accuracy, survival time, and combo chains. These modes support online leaderboards for competitive play. Local co operative support allows up to four players to join on the same screen, sharing the same screen space and resources during both story and challenge sessions.

Story and Progression

The narrative follows Ada after she is ejected from a secure test environment into the broader digital world. Her journey uncovers layers of complexity around her creators and the events that stranded her. Upgrades earned during play directly influence combat effectiveness, encouraging replay of earlier stages with improved loadouts. Perks add variety such as enhanced mobility or altered weapon behavior, rewarding experimentation across multiple runs.

Is It Worth Playing?

Fans of twin stick shooters seeking a mix of structured campaign content and high score challenges will find consistent engagement here. The local co op option adds replay value for groups, while the stealth elements provide brief tactical shifts from pure action. Reviews consistently note responsive controls and satisfying weapon feedback as strengths that keep sessions engaging. The game suits players who enjoy short to medium length sessions focused on mastery rather than long term live service elements. Those preferring pure arcade style scoring or narrative driven twin stick experiences will likely appreciate the balance of discovery and competition built into its systems.

Interface:
English
Subtitles:
English

Age rating

Unavailable
Steam:
Mostly Positive (24)

Minimum:

  • Processor: 2GHz Intel Core 2 Duo or equivalent
  • Memory: 2 GB RAM
  • Graphics: 256MB with Shader Model 2.0 support
  • DirectX: Version 9.0c
  • Storage: 400 MB available space
  • Additional Notes: DirectX 9 Compatible

Recommended:

  • Processor: 2GHz Intel Core 2 Duo or equivalent
  • Memory: 2 GB RAM
  • Graphics: 256MB with Shader Model 2.0 support
  • DirectX: Version 9.0c
  • Storage: 400 MB available space
  • Additional Notes: DirectX 9 Compatible
Historical low
Price history from official stores
A$0.75
Steam
1 months ago
Price history from keyshops
A$0.97
Gameseal
3 months ago

FAQ

9 questions

Before you start looking for a cheap Tachyon Project PC key, check the essentials. Developed by Eclipse Games. Published by Eclipse Games. PC released date: 15 July 2015. Genres: Action, Indie. Categories: Multi-player, Remote Play Together, Family Sharing, Co-op, Steam Trading Cards, Single-player, Remote Play on TV, Steam Achievements, Full controller support, Steam Cloud, Shared/Split Screen, Steam Leaderboards.

Q

Where to buy a cheap Tachyon Project Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Tachyon Project key for as low as A$1.03. 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 Tachyon Project price on PC. Check the Tachyon Project price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Tachyon Project Steam price is A$7.50. 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 Tachyon Project on sale even outside seasonal promotions. We currently detect 11 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, Tachyon Project is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

On days when both store types carried the game, the keyshop was cheaper by a median of 92%. The current price is high against its own history: it was cheaper on 96% of days with data. The spread between offers was wide: from A$0.75 to A$14.50. We have recorded offers from 12 stores in total, and from 1 in the most recent reading.

Yes. Tachyon Project has an official page on the Steam Store. You can also buy a Tachyon Project Steam key from third-party sellers. Our price comparison currently includes 11 offers with Steam DRM. Pick one to ensure your Tachyon Project download happens on Valve's platform.

Not at this time. Valve marks Tachyon Project 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 Tachyon Project 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 Tachyon Project 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 Tachyon Project

1 G2Play G2Play Keyshop
-87% A$1.03
2 Kinguin Kinguin Keyshop
-87% A$1.03
3 Gameseal Gameseal Keyshop
-85% A$1.12
4 Eneba Eneba Keyshop
-84% A$1.27
5 G2A G2A Keyshop
-76% A$1.73

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