High-Rise Expansion

Branch: City · Levels: up to level 2 · Lab: from level 2

Effect

Level 1 unlocks upgrading the high-rises of the upper level to level 2, level 2 to level 3 (Skyscrapers and Floors).

Requirements

• Emergency Range at least level 2
• research lab level 2

Cost and duration

Level 1 costs 6,000,000 $ and 800 krypto steel and takes 5 days. Every further level costs more and takes longer. The lab shows you the price of the next level.

Back to the research network.