Highlights at a Glance

Bring your underwater city to life with detailed 3D resources
Replace flat cardboard tokens with highly detailed 3D upgrades. Submarines, Seaweed, Biomass, Steelplast, and Science are instantly recognizable, while their different sizes make 1-value and 3-value resources easy to distinguish at a glance. The result is better table visibility and a more immersive Underwater Cities experience.

Premium Coins, Tunnels, and Data Discs
Double-sided printed coins and tunnels add a whole new level of quality and immersion to your underwater civilization. Data discs in values of ½, 1, and 3 make data management intuitive and provide a satisfying tactile experience that goes far beyond the original cardboard components.
Attention! Other matching hot-as-hell upgrades for the game are available separately here.
Our Upgrades for Underwater CitiesĀ®

Detailed 3D kelp, steelplast, biomatter and science tokens bring your underwater economy to life. Different sizes make 1-value and 3-value resources instantly recognizable, improving table visibility and creating a far more immersive gameplay experience.

science

kelp

steelplast

biomatter
Token count per set:
| biomatter 1s (ca. 1.8 x 1 x 1 cm), 3s (ca. 2 x 2 x 1.3 cm) | 12 x 1s, 5 x 3s | |
| science 1s (ca. 1.8 x 1 x 1 cm), 3s (ca. 2 x 2 x 1.3 cm) | 15 x 1s, 6 x 3s | |
| kelp 1s (ca. 1.8 x 1 x 1 cm), 3s (ca. 2 x 2 x 1.3 cm) | 19 x 1s, 8 x 3s | |
| steelplast 1s (ca. 1.8 x 1 x 1 cm), 3s (ca. 2 x 2 x 1.3 cm) | 19 x 1s 8 x 3s |

Our data discs in values of ½, 1, and 3 are inspired by real data storage media. Their varying sizes allow for quick value recognition and make managing your data both intuitive and satisfying.
Token count per set:
| 1/2 data (ca. 1.5 x 0.8 x 0.4 cm) | 7 | |
| 1s data(ca. 1.5 x 0.4 cm) | 16 | |
| 3s data (ca. 2.4 x 2.6 x 0.6 cm) | 5 |

Double-sided printed and weighted Credit coins in values of 1, 5, and 10 add a premium feel to every game. Different sizes and a three-color design ensure that each denomination remains instantly recognizable throughout the entire session.
Token count per set:
| 1s coin weighted (ca. 1.7 x 1.4 x 0.4 cm) | 20 | |
| 5s coin weighted (ca. 2.1 x 1.7 x 0.4 cm) | 10 | |
| 10s coin weighted (ca. 2.5 x 2 x 0.4 cm) | 5 |

Player markers are constantly moved during play and often show signs of wear over time. Our high-quality 3D submarines are durable, comfortable to handle, and turn every expansion of your underwater city into a rewarding tactile experience.
Token count per set:
| submarine black (ca. 3.5 x 1.6 x 1.2 cm) | 3 | |
| submarine orange (ca. 3.5 x 1.6 x 1.2 cm) | 3 | |
| submarine violet (ca. 3.5 x 1.6 x 1.2 cm) | 3 | |
| submarine blue (ca. 3.5 x 1.6 x 1.2 cm) | 3 |
Notice
The game material in the photos is for illustration purposes only, so you can imagine how your new board toy will look together with your game. Although the design team takes great care to ensure that the colors match the game as best as possible, minor color deviations between the product, the photos and the representation on your screen cannot always be avoided.
Everything in our store has been designed and produced with a lot of time and love by us especially for Eurohell Design and is subject to their copyright. All product names, brand names and protected trademarks are the property of their respective owners. The mention of product names, brand names and trademarks here is descriptive only and is in no way associated with Eurohell Design or the unofficial premium upgrade offered here.
Attention! Not suitable for children under 3 years due to small parts that can be swallowed.
Material can deform if exposed to excessive heat. Do not use above 50°C or in direct sunlight!














