O Arco

The Future

Built for scientific purposes, the gigantic Arc biosphere project offers a set of different ecosystems in a closed, self-regulated facility. Scientists from all around the world gather to contribute unique insights into our planet.

This building increases your received contribution rewards and provides you with all goods in the current era which go immediately to the Guild Treasury.

The Arc 7 x 5

350 450 300 400 375

1 2 3 4 5 6 7 8 9 10

70 110 200 290 400 510 620 740 860 970

10% 12% 14% 17% 19% 22% 24% 26% 29% 31%

9 10 12 13 15 16 18 19 21 22