Earth Monument

Monument to celebrate our true home planet, Earth. Each square around the city where this wonder is built that is already generating some trade produces one extra trade resource.

This wonder has no tech requirements; it can be built from the start of the game.

Great Tunnel

Each square around the city where this wonder is built that is already generating some production produces one extra shield resource.

Requires Burrowing technology.

Antigrav Control Center

All player's antigravity units will regenerate 50% of their hitpoints each turn.

Requires Antigravity technology.

Oceanic Downtown

Each oceanic city center generates 3 points more trade and production.

Requires Ocean Cities technology. Can be built only in oceanic city.

Monument of Co-operation

All player's native alien units will regenerate 50% of their hitpoints each turn.

Requires Alien Rights technology.

Protector

Provides additional protection against radiation making max city size bigger by 2.

Requires City Defense technology.