The 5th Anti-Air Gun is unlocked on Outpost level 13!
Unfortunately Outpost level 13 doesn't extend the terrain like the previous Outpost upgrades until level 10.
However you can place more structures,
1 Defensive Structure, 1 Tripwire Trap/Barrel, 1 Cover (Sandbags/Tank Trap) and 2 Walls!
#GunsUpMobile
7 сен 2024