Rubber Ducky and the Rainbow Gun — cheap CD keys, compare prices
Is it worth buying?
- Reviews are solid. (Steam 89%)
- The price is at or near its all-time low — a good time to buy.
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Rubber Ducky and the Rainbow Gun (John Szymanski) — Action, Indie. On this page we track CD key prices across editions, regions and activation platforms from trusted sellers, with price history and a DLC overview.
Best price today
€0.75
lowest in tracked period: official €0.75 · keyshop €0.79 near low
The cheapest Rubber Ducky and the Rainbow Gun key right now costs €0.75 at Steam — the best of 3 compared offers. The lowest price we have recorded for this game: €0.75.
The average low over the past 2 months was €0.77.
Prices as of
Steam best price Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Rubber Ducky and the Rainbow Gun prices by store 3
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €0.75 |
| Kinguin | Marketplace | €0.79 |
| Gamivo | Marketplace | €1.51 |
Lowest — official stores
€0.75
Oct 2026
Lowest — keyshops
€0.79
Sept 2026
Price history
last 15 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €0.75 | €0.79 |
| Sept 2026 | €0.99 | €0.79 |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Steam, Kinguin, Gamivo
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All-time low so far: €0.75
System requirements
| Minimum | |
|---|---|
| OS | Windows XP / Vista / 7 / 8 / 8.1 / 10 |
| Processor | 1.4 GHz Processor |
| Memory | 512 MB RAM MB RAM |
| Storage | 100 MB available space |
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About this game — FAQ
Can Rubber Ducky and the Rainbow Gun be played single-player?
Yes, Rubber Ducky and the Rainbow Gun is a single-player game.
What languages does Rubber Ducky and the Rainbow Gun support?
Rubber Ducky and the Rainbow Gun is available in: English.
Does Rubber Ducky and the Rainbow Gun use Steam Cloud saves?
Yes, Rubber Ducky and the Rainbow Gun uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Rubber Ducky and the Rainbow Gun key?
The cheapest Rubber Ducky and the Rainbow Gun key is currently sold by Steam for €0.75. That is the best of 3 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €0.75.
How much does Rubber Ducky and the Rainbow Gun cost?
Rubber Ducky and the Rainbow Gun currently costs from €0.75 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam is an official store — keys come directly from the publisher or an authorized distributor.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.