Demonstrating perseverance and skill in battle will allow you to research any ship branch without having to financially invest; however, you can purchase a special in-game currency—Doubloons—that can ease your progress along the Tech Tree.
| Country | Price |
|---|---|
 AE | AED 44.04 |
 AR | $3.60 |
 AT | €10.80 |
 AU | A$18.12 |
 BE | €10.80 |
 BO | $7.20 |
 BR | R$30.21 |
 CA | CA$15.84 |
 CH | CHF 10.92 |
 CL | CLP 5,350 |
 CN | CN¥75.00 |
 CO | COP 23,508.05 |
 CZ | CZK 265.92 |
 DE | €10.80 |
 DK | DKK 81.20 |
 EG | $12.00 |
 ES | €10.80 |
 FI | €10.80 |
 FR | €10.80 |
 GB | £9.24 |
 GE | $9.38 |
 GR | €10.80 |
 HK | HK$93.84 |
 HU | HUF 4,080.00 |
 ID | IDR 186,114.20 |
 IE | €10.80 |
 IL | ₪45.05 |
 IN | ₹987.10 |
 IT | €10.80 |
 JP | ¥1,814 |
 KR | ₩15,706 |
 LU | €10.80 |
 MX | MX$120.46 |
 MY | MYR 54.37 |
 NL | €10.80 |
 NO | NOK 128.13 |
 NZ | NZ$19.36 |
 PE | PEN 22.86 |
 PH | ₱658.15 |
 PL | PLN 47.64 |
 PT | €10.80 |
 RO | RON 54.00 |
 RU | RUB 515.92 |
 SA | SAR 45.00 |
 SE | SEK 129.52 |
 SG | SGD 16.32 |
 TH | THB 407.88 |
 TR | TRY 362.59 |
 UA | UAH 215.75 |
 US | $12.00 |
 VN | ₫292,039 |
 ZA | ZAR 234.39 |