Cosmic Cavern 3671 宇宙最大の地底最大の作戦 — cheap CD keys, compare prices
Is it worth buying?
- 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
Cosmic Cavern 3671 is a heavily upgraded revival of a tactical digging game originally released in July 1980 by Takaya Arita, who is now a professor at Nagoya University. Predating Dig Dug by two years, it stands as one of the earliest sandbox-style titles. This version was both developed and published by Mindware in 2016.
Did you know?
The original version of the game came out in 1980, two years before Dig Dug, making it one of the earliest sandbox-style titles — and its creator, Takaya Arita, is now a professor at Nagoya University.
Best price today
€2.49
all-time low: official €2.49 · keyshop €5.52 near low
The cheapest Cosmic Cavern 3671 宇宙最大の地底最大の作戦 key right now costs €2.49 at Steam — the best of 2 compared offers. The lowest price we have recorded for this game: €2.49.
The average low over the past 4 months was €3.74.
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.
Cosmic Cavern 3671 宇宙最大の地底最大の作戦 prices by store 2
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €2.49 |
| Kinguin | Marketplace | €7.65 |
Lowest — official stores
€2.49
Jul 2026
Lowest — keyshops
€5.52
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.49 | €7.65 |
| Sept 2026 | €4.99 | €6.06 |
| Aug 2026 | €4.99 | €6.06 |
| Jul 2026 | €2.49 | €5.52 |
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
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All-time low so far: €2.49
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 7 or later | Windows 7 or later |
| Processor | Dual-core processor (Intel Dual Core 2.0 GHz or AMD Athlon X2 5200+ 2.6 GHz) | Dual-core processor (Intel Dual Core 2.0 GHz or AMD Athlon X2 5200+ 2.6 GHz) |
| Memory | 512 MB RAM | 1 GB RAM |
| Graphics | DirectX 9.0c compatible graphic card | DirectX 9.0c compatible graphic card |
| DirectX | Version 9.0c | Version 9.0c |
| Storage | 50 MB available space | 50 MB available space |
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About this game — FAQ
Does Cosmic Cavern 3671 宇宙最大の地底最大の作戦 have co-op?
Yes, Cosmic Cavern 3671 宇宙最大の地底最大の作戦 supports local (split-screen) co-op.
Does Cosmic Cavern 3671 宇宙最大の地底最大の作戦 have multiplayer?
Yes, Cosmic Cavern 3671 宇宙最大の地底最大の作戦 has multiplayer.
Can Cosmic Cavern 3671 宇宙最大の地底最大の作戦 be played single-player?
Yes, besides multiplayer modes, Cosmic Cavern 3671 宇宙最大の地底最大の作戦 can also be played solo (single-player).
What languages does Cosmic Cavern 3671 宇宙最大の地底最大の作戦 support?
Cosmic Cavern 3671 宇宙最大の地底最大の作戦 is available in: English, Japanese.
Can Cosmic Cavern 3671 宇宙最大の地底最大の作戦 be played co-op via Remote Play Together?
Yes — Steam Remote Play Together lets you invite friends to play local modes online without them owning the game.
FAQ
Where is the cheapest place to buy a Cosmic Cavern 3671 宇宙最大の地底最大の作戦 key?
The cheapest Cosmic Cavern 3671 宇宙最大の地底最大の作戦 key is currently sold by Steam for €2.49. That is the best of 2 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €2.49.
How much does Cosmic Cavern 3671 宇宙最大の地底最大の作戦 cost?
Cosmic Cavern 3671 宇宙最大の地底最大の作戦 currently costs from €2.49 — 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.