Your filters
Game Portal Knights
Edition Standarddefault
Platform Steam
Max price Any
Region USguess
Sellers Grey market only
Portal Knights cover art
Images: Steam store, © respective publishers.

Buy Portal Knights Steam key: price, key type and region

Standard edition · Steam

Looking for Portal Knights on PC (Steam)? As of 3 hours ago, our Cheapest pick for a Standard key in US comes from a marketplace (fees not confirmed). Risk labels on the lowest offer: grey market key; trust tier C. Commission never changes which offers we pick or the order of the list. Read how we rank for the full method.

How we rank · Prices checked 3 hours ago.

Prices in USD (from your region). Converted prices are marked approx. (example rates dated 2026-11-02).

Cheapest + Safest good deal Standard
$2.55Fees not confirmed, approx.
Eneba Marketplace (grey market)
Global keyKey
Marketplace: you buy from an independent seller on Eneba.
Trust tier CChecked 3 h ago

Cheapest and Safest are the same offer with your seller setting, so we show it once.

We may earn a commission when you buy through our links. Commission never changes which offers we pick or the order of the list. How we rank

Official sellers vs keyshops for Portal Knights

Lowest price with known fees added from official sellers (the same set as the Official only filter) and from keyshops. Commission never changes which column is which.

Official sellers

$17.99

GamersGate (Official store)

Keyshops

No live keyshop offer

No keyshop offer is live for this edition and platform right now.

All offers (cheapest total first)

SellerKeyListedTotalActions
Eneba
Marketplace (grey market)Tier C
Checked 3 h ago
Global Key$2.55$2.55
Fees not confirmed
approx.
DetailsGo
Eneba
Marketplace (grey market)Tier C
Checked 3 h ago
US Key$3.01$3.01
Fees not confirmed
approx.
DetailsGo
Eneba
Marketplace (grey market)Tier C
Checked 3 h ago
EU key: activation in the US is not confirmed
EU Key$3.11$3.11
Fees not confirmed
approx.
DetailsGo
Kinguin
Marketplace (grey market)Tier C
ASKLOOT5% off
Applied at checkout. Max cart EUR 150. 2 uses per user or IP.
Checked 1 h ago
Rest of world key: activation in the US is not confirmed
ROW Key$2.29$3.16
Fees not confirmed
approx.
DetailsGo
Eneba
Marketplace (grey market)Tier C
Checked 3 h ago
Asia key: activation in the US is not confirmed
ASIA Key$3.34$3.34
Fees not confirmed
approx.
DetailsGo

Portal Knights facts

  • Release dateMay 18, 2017
  • PlatformsPC (Steam) and Xbox
  • Editions
    • Standard

Minimum PC requirements

OS
64bit Versions of Windows 7, Windows 8, Windows 10
Processor
AMD Phenom(tm) 8450 Triple-Core Processor (3 CPUs), ~2.1GHz or Intel Core 2 Duo E8400 @ 3.0 GHz
Memory
4 GB RAM
Graphics
Graphics: NVIDIA® GeForce GTX 470 (1Gb VRAM) / ATI Radeon TM HD 6870 (1Gb VRAM)
Storage
8 GB available space

Source: store page, checked Oct 28, 2026

Totals add the known service fees and payment fees for the selected payment method; offers without them are flagged. Optional buyer protection is not included.