Wall

Walls are the most basic defenses, serving as barriers to prevent ground units from going through.
== Tiberium universe ==
=== Tiberian Dawn ===
* Sandbags (Tiberium)
* Chain link fence
* Concrete wall (Tiberian Dawn)
=== Tiberian Sun ===
* Concrete wall (Tiberian Sun)
* Firestorm barrier
* Firestorm wall section
* Laser fence (Tiberian Sun)
=== Tiberium Wars ===
* Wall (Tiberium Wars)
* Sonic repulsion field
* Laser fencing (Kane's Wrath)
=== Tiberium Alliances ===
* Wall (Tiberium Alliances)
* Laser fence (Tiberium Alliances)
== Red Alert universe ==
=== Red Alert ===
* Sandbags (Red Alert)
* Barbed wire
* Concrete wall (Red Alert 1)
=== Red Alert 2 ===
* Fortress walls (Red Alert 2)
=== Red Alert 3 ===
* Fortress walls (Red Alert 3)
== Generals universe ==
=== Generals ===
* Wall (Generals)