机退怪兽 — cheap CD keys, compare prices
Is it worth buying?
- Reviews are mixed. (Steam 64%)
- 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
机退怪兽 is a hardcore tower defense game in Early Access, developed by Doble Punch Games and published by Surefire.Games in 2019. Players command mechanized suits as humanity's last line of defense against waves of monsters, with direct manual control over shooting and skill activation. Adapting defensive formations to shifting enemy configurations is central to the gameplay.
Did you know?
机退怪兽 merges classic tower defense strategy with real-time manual unit control, demanding both tactical planning and precise micro-management from the player during combat.
Best price today
€0.80
all-time low: official €0.80 near low
The cheapest 机退怪兽 key right now costs €0.80 at Steam. The lowest price we have recorded for this game: €0.80.
The average low over the past 5 months was €0.84.
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.
Lowest — official stores
€0.80
Aug 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €0.80 | — |
| Sept 2026 | €0.80 | — |
| Aug 2026 | €0.80 | — |
| Jul 2026 | €0.89 | — |
| Jun 2026 | €0.89 | — |
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
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All-time low so far: €0.80
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows XP | Windows 7 or higher |
| Processor | Dual Core | Quad Core |
| Memory | 1 GB RAM | 2 GB RAM |
| DirectX | Version 9.0c | Version 10 |
| Storage | 1 GB available space | 1 GB available space |
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About this game — FAQ
Can 机退怪兽 be played single-player?
Yes, 机退怪兽 is a single-player game.
What languages does 机退怪兽 support?
机退怪兽 is available in: Simplified Chinese, Traditional Chinese.
FAQ
Where is the cheapest place to buy a 机退怪兽 key?
The cheapest 机退怪兽 key is currently sold by Steam for €0.80. The lowest price we have ever recorded for this game: €0.80.
How much does 机退怪兽 cost?
机退怪兽 currently costs from €0.80 — 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.