Nod research

Nod Research

After choosing Nod you are offered a pretty big research tree of various tech levels.

 

Brotherhood Secrets: The first research you will probably choose. It unlocks more research options and some Misc structures.

Nod Structures: Unlocked by Brotherhood Secrets, you can research this for more structures like Nod Walls, Nod Doors and Autodoors (if Autodoors are researched), also unlocks multiple new floors and the Nod Weapons Assembler.

Brotherhood Assembly I:

Defensive Structures: Unlocks after Nod Structures and Gun Turrets research, allows the construction of the Shredder Turret so far.

Tiberium Consumption: Unlocks the Tiberium Infusion which enhances your pawns and makes them immune to Tiberium, also cures most Tiberium sickness.

Brotherhood's Enlightment:

Brotherhood Assembly II:

Advanced Defense:

Liquid Ichor: