Poly Bridge — cheap CD keys, compare prices
Is it worth buying?
- Reviews are excellent. (Metacritic 73 · Steam 91%)
- 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
A physics-based bridge-building simulator where engineering creativity solves the puzzles. The campaign ramps up the challenges while Sandbox mode lets you design your own structures and levels. An indie favorite known for its hilariously satisfying bridge collapses.
Did you know?
Poly Bridge was made by the small studio Dry Cactus and went viral thanks to player-shared GIFs of its absurd, wobbling bridge collapses.
Best price today
€0.81
all-time low: official €0.81 · keyshop €5.18 near low
The cheapest Poly Bridge key right now costs €0.81 at Steam — the best of 8 compared offers. The lowest price we have recorded for this game: €0.81.
The average low over the past 5 months was €3.62.
↳ chosen by the region label on the key — not a guarantee
Prices as of
Steam best price Official store
Kinguin Marketplace
GameSeal Marketplace
GameSeal Marketplace
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Poly Bridge prices by store 6
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €0.81 |
| Kinguin | Marketplace | €7.99 |
| Gamivo | Marketplace | €8.46 |
| GameSeal | Marketplace | €9.13 |
| G2A | Marketplace | €10.52 |
| K4G | Marketplace | €10.55 |
Lowest — official stores
€0.81
Jul 2026
Lowest — keyshops
€5.18
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €0.81 | €7.99 |
| Sept 2026 | €8.19 | €7.48 |
| Aug 2026 | €0.81 | €5.79 |
| Jul 2026 | €0.81 | €5.18 |
| Jun 2026 | €8.19 | €13.66 |
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, GameSeal, G2A, K4G
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All-time low so far: €0.81
System requirements
| Minimum | |
|---|---|
| OS | Windows 7 |
| Processor | 1GHz |
| Memory | 2 GB RAM |
| Graphics | 512Mb |
| DirectX | Version 9.0 |
| Storage | 150 MB available space |
Similar games
Video reviews
22:46 Using ILLEGAL TECHNIQUES to beat Poly Bridge 3...
Real Civil Engineer
48:39 I TEST YOUR TERRIBLE AWFUL NO-GOOD EMBARRASSING BRIDGES | Poly Bridge 2
Markiplier
24:15 The BEST bridges I have seen Poly Bridge 3!
Real Civil Engineer
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Can Poly Bridge be played single-player?
Yes, Poly Bridge is a single-player game.
What languages does Poly Bridge support?
Poly Bridge is available in: English, French, Italian, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil and 2 more.
Does Poly Bridge use Steam Cloud saves?
Yes, Poly Bridge uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Poly Bridge key?
The cheapest Poly Bridge key is currently sold by Steam for €0.81. That is the best of 8 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €0.81.
How much does Poly Bridge cost?
Poly Bridge currently costs from €0.81 — 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.