Tiers

In Terra Nil, a restoration is separated in three Tiers.
== Tier 1 ==
In the first tier, your goal is to cleanse polluted land or ocean and grow Greenery.
=== Cleaning ===
== Tier 2 ==
The second tiers is aimed to create Biomes. To do so, it requires specific conditions and elements, like trees or coral, for example.
=== Biomes===
== Tier 3 ==
Tier 3 is the last Tier of restoration, consisting in recycle buildings and introduce fauna.
=== Recycling ===
Recycling building can be done with several Buildings, depending on the map.
=== Animal scanning ===
Scanning Animals is the last part of Tier 3 and requires to build an Animal Observatory. On each map, there are six different species to scan, with at least three to scan to complete the tier.
=== Seed vault===
=== Rocket Construction ===
== Climate ==
On every Region except , there can be a last Buildings tab that is not numbered. You can find there buildings to manipulate the climate.