Cepheus Protocol
Playing now
45−20 vs. yesterday
12%of peak
All-time peak
378Oct 2021
Price history
Prices in every currency
Priced itemCepheus Protocol · $19.9940 currencies · ≈ converted into USD for comparison
Cheapest region right now: Philippines at ₱599.00 ≈ $9.56, 52.2% below yours.
40 of 40
| ≈ in USD | ||||
|---|---|---|---|---|
 USD · United States | $19.99 | $19.99 | yours | $19.99 · 3 Sep 2026 |
 PHP · Philippines | ₱599.00 | ≈ $9.56 | −52.2% | ₱599.00 · 5 Sep 2026 |
 UAH · Ukraine | 430 ₴ | ≈ $9.64 | −51.8% | 430 ₴ · 5 Sep 2026 |
 INR · India | ₹915 | ≈ $9.68 | −51.6% | ₹915 · 5 Sep 2026 |
 RUB · Russia | 855 ₽ | ≈ $9.88 | −50.6% | 855 ₽ · 5 Sep 2026 |
 IDR · Indonesia | Rp 174.999 | ≈ $9.92 | −50.4% | Rp 174.999 · 5 Sep 2026 |
 VND · Vietnam | 274.000 ₫ | ≈ $10.51 | −47.4% | 274.000 ₫ · 5 Sep 2026 |
| USD-CIS · CIS | $10.99 | ≈ $10.99 | −45.0% | $10.99 · 5 Sep 2026 |
| USD-LATAM · Latin America, Middle East and Türkiye | $10.99 | ≈ $10.99 | −45.0% | $10.99 · 5 Sep 2026 |
| USD-SASIA · South Asia | $10.99 | ≈ $10.99 | −45.0% | $10.99 · 5 Sep 2026 |
 THB · Thailand | ฿369.00 | ≈ $11.21 | −43.9% | ฿369.00 · 5 Sep 2026 |
 CNY · China | ¥77.00 | ≈ $11.47 | −42.6% | ¥77.00 · 5 Sep 2026 |
 MYR · Malaysia | RM 46.99 | ≈ $11.62 | −41.9% | RM 46.99 · 5 Sep 2026 |
 TWD · Taiwan | TWD 377 | ≈ $11.91 | −40.4% | TWD 377 · 5 Sep 2026 |
 ZAR · South Africa | R 194,99 | ≈ $12.21 | −38.9% | R 194,99 · 5 Sep 2026 |
 KWD · Kuwait | KWD 3.80 | ≈ $12.30 | −38.5% | KWD 3.80 · 5 Sep 2026 |
 SAR · Saudi Arabia | SAR 46.49 | ≈ $12.40 | −38.0% | SAR 46.49 · 5 Sep 2026 |
 KZT · Kazakhstan | 5 720 ₸ | ≈ $12.55 | −37.2% | 5 720 ₸ · 5 Sep 2026 |
 CLP · Chile | CLP 11.999 | ≈ $12.84 | −35.8% | CLP 11.999 · 5 Sep 2026 |
 BRL · Brazil | R$ 67,99 | ≈ $13.30 | −33.5% | R$ 67,99 · 5 Sep 2026 |
 QAR · Qatar | QAR 49.99 | ≈ $13.73 | −31.3% | QAR 49.99 · 5 Sep 2026 |
 PEN · Peru | S/ 48.49 | ≈ $14.46 | −27.7% | S/ 48.49 · 5 Sep 2026 |
 HKD · Hong Kong | HKD 115.00 | ≈ $14.67 | −26.6% | HKD 115.00 · 5 Sep 2026 |
 MXN · Mexico | MXN 259.99 | ≈ $15.38 | −23.0% | MXN 259.99 · 5 Sep 2026 |
 KRW · South Korea | ₩21,000 | ≈ $15.55 | −22.2% | ₩21,000 · 5 Sep 2026 |
 COP · Colombia | COP 48.999 | ≈ $15.65 | −21.7% | COP 48.999 · 5 Sep 2026 |
 AED · United Arab Emirates | AED 59.99 | ≈ $16.33 | −18.3% | AED 59.99 · 5 Sep 2026 |
 SGD · Singapore | SGD 20.75 | ≈ $16.38 | −18.1% | SGD 20.75 · 5 Sep 2026 |
 UYU · Uruguay | UYU 667 | ≈ $16.58 | −17.1% | UYU 667 · 5 Sep 2026 |
 JPY · Japan | ￥2,600 | ≈ $16.64 | −16.8% | ￥2,600 · 5 Sep 2026 |
 CAD · Canada | CAD 23.99 | ≈ $17.38 | −13.0% | CAD 23.99 · 5 Sep 2026 |
 NZD · New Zealand | NZD 30.99 | ≈ $18.23 | −8.8% | NZD 30.99 · 5 Sep 2026 |
 AUD · Australia | AUD 28.50 | ≈ $20.53 | +2.7% | AUD 28.50 · 5 Sep 2026 |
 CRC · Costa Rica | ₡9 600 | ≈ $21.28 | +6.5% | ₡9 600 · 5 Sep 2026 |
 CHF · Switzerland | CHF 17.49 | ≈ $21.61 | +8.1% | CHF 17.49 · 5 Sep 2026 |
 PLN · Poland | 84,99 zł | ≈ $22.89 | +14.5% | 84,99 zł · 5 Sep 2026 |
 EUR · Euro area | 20,49 € | ≈ $23.81 | +19.1% | 20,49 € · 3 Sep 2026 |
 ILS · Israel | ₪71.99 | ≈ $23.94 | +19.7% | ₪71.99 · 5 Sep 2026 |
 GBP · United Kingdom | £17.75 | ≈ $24.02 | +20.1% | £17.75 · 3 Sep 2026 |
 NOK · Norway | 235,00 kr | ≈ $25.28 | +26.5% | 235,00 kr · 5 Sep 2026 |
cheaper than your pricedeareryour region
≈ figures are converted at today’s rates for comparison only; Steam charges the local amount. Rates from the ECB and an open daily dataset, updated .Export CSV
Authorised stores only
Other stores
| Store | DRM | Base game | Store low | Cross-store low |
|---|---|---|---|---|
| Steamcheapest | Steam | $19.99 | $19.99 | $15.99 |
| Epic Games Store | Epic | $19.99 | $15.99 | Matches low |
Prices from IsThereAnyDeal for authorised stores; grey-market key resellers are never listed.Alert me if that changes
Supported languages
9 interface · 1 full audio · 9 subtitles
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | ✓ | ✓ | ✓ |
| French | ✓ | — | ✓ |
| German | ✓ | — | ✓ |
| Japanese | ✓ | — | ✓ |
| Korean | ✓ | — | ✓ |
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| Portuguese - Portugal | ✓ | — | ✓ |
| Russian | ✓ | — | ✓ |
| Simplified Chinese | ✓ | — | ✓ |
| Spanish - Spain | ✓ | — | ✓ |
Full details
Everything about Cepheus Protocol
Export CSVUpdated 6 Sep 2026, 16:53 UTC
Identity
Name
Cepheus Protocol
App ID
979,640
Type
Game
Developer
Halcyon WindsPublisher
Halcyon WindsFranchise
—
Availability
Release date
15 May 2020
Last update
20 Aug 2026, 04:25 UTC · 18 days ago
Last changenumber
38,646,187
Early Access
Yes
Family sharing
Eligible
Store page
Yes
Prices
Current price
$19.99
Lowest recorded
$19.99 · 3 Sep 2026
Other stores
Authorised stores after the IsThereAnyDeal key
Platforms and technology
Supported systems
Windows
Steam Deck
Playable
Controller
Partial Controller Support
Engine
—
Anti-cheat
—