星天へ発つ日 — 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
星天へ発つ日 is a short, tense occult story centered on a girl-meets-girl romance. A gossip-obsessed girl sets out to 'interview' a serial killer, digging for answers behind his unsettling reputation. Astro Shaft developed and published the game in 2026.
Best price today
€5.75
lowest in tracked period: official €5.75 near low
The cheapest 星天へ発つ日 key right now costs €5.75 at Steam. The lowest price we have recorded for this game: €5.75.
The average low over the past 3 months was €5.99.
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
€5.75
Oct 2026
Price history
last 47 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €5.75 | — |
| Sept 2026 | €6.11 | — |
| Aug 2026 | €6.11 | — |
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: €5.75
System requirements
| Minimum | |
|---|---|
| OS | Windows10,11 |
| Processor | Intel Core 2 DUO 相当以上 |
| Memory | 2 GB RAM |
| DirectX | Version 10 |
| Storage | 4 GB available space |
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About this game — FAQ
Can 星天へ発つ日 be played single-player?
Yes, 星天へ発つ日 is a single-player game.
What languages does 星天へ発つ日 support?
星天へ発つ日 is available in: Japanese.
FAQ
Where is the cheapest place to buy a 星天へ発つ日 key?
The cheapest 星天へ発つ日 key is currently sold by Steam for €5.75. The lowest price we have ever recorded for this game: €5.75.
How much does 星天へ発つ日 cost?
星天へ発つ日 currently costs from €5.75 — 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.