- Jumppads / Cannons
- hidden Traps
- Healing Stations
- Forcefields (that only 1 Team can pass)
- not so strong Turrets/Hives/Tubes which attack both Teams **
- Animals/other Aliens * **
* Like in Warcraft 3. Bots camping on a position. Wen a Player attack them they try to kill him.
** could be destroyed by Players (which get Credits/evos) and respawn after a cool down.
With similar buildings could Missions made like:
Humans must destroy Aliens shield generator, repair there Ship and bring energy Cells to it. Aliens must prevent this by defending the structures.
Aliens must destroy the Door to a Humans lab, deactivate the security system and get a Granger alive to the baby Grangers to win.