Team Upgrades - Library https://fortress-survival.com/library/post/upgrades/team-upgrades/ Fri, 03 Apr 2026 18:51:10 +0000 86400 Nuclear Backup (1,2,3) https://fortress-survival.com/library/post/upgrades/team-upgrades/nuclear-backup-123-r232 Type: Team Upgrade
Cost: 1 Posted Image 50 Posted Image
 
Abilities:
Nuclear Strike every 3-4 Minutes
 
Description:
1. Allows fortress defenders to utilize nuclear strikes every 3-4 minutes.
2. Increases frequency of nuclear strikes.
3. Increases frequency of nuclear strikes.
 ]]> Mon, 13 May 2013 06:18:00 +0000 e53a0a2978c28872a4505bdb51db06dc Magic https://fortress-survival.com/library/post/upgrades/team-upgrades/magic-r230 Type: Team Upgrade
Cost: 5 Posted Image 200 Posted Image
 
Abilities:
5% Magic Chance (Ultimate Towers)
 
Description: Research magic for your entire team's final towers to have a passive chance of using magic spells to combat enemies.]]> Mon, 13 May 2013 06:10:24 +0000 4122cb13c7a474c1976c9706ae36521d Solar Batteries https://fortress-survival.com/library/post/upgrades/team-upgrades/solar-batteries-r229 Type: Team Upgrade
Cost: 75 Posted Image
 
Abilities:
1% Health Regeneration / second (Daytime)
 
Description: Research solar batteries to give all allied barricades and energy walls 1% health regeneration per second, only during the day.]]> Mon, 13 May 2013 05:59:51 +0000 310ce61c90f3a46e340ee8257bc70e93 Lunar Mist https://fortress-survival.com/library/post/upgrades/team-upgrades/lunar-mist-r228 Type: Team Upgrade
Cost: 75 Posted Image
 
Abilities:
15% Miss Chance (Walls/Energy Walls)
 
Description: Research lunar mist to give all enemies a 15% chance to miss when attacking barricades or energy walls, only during the night.]]> Mon, 13 May 2013 05:36:05 +0000 eb86d510361fc23b59f18c1bc9802cc6 Enhanced Weaponry https://fortress-survival.com/library/post/upgrades/team-upgrades/enhanced-weaponry-r227 Type: Team Upgrade
Cost: 5 Posted Image 75 Posted Image
 
Abilities:
+30% Damage Increase (Towers)
 
Description: Research enhanced weaponry to increase your entire team's damage dealt with towers by 30%.]]> Mon, 13 May 2013 05:12:20 +0000 c4851e8e264415c4094e4e85b0baa7cc Soul Research https://fortress-survival.com/library/post/upgrades/team-upgrades/soul-research-r226 Type: Team Upgrade
Cost: 25 Posted Image
 
Abilities:
Revive Dead Teammates
 
Description: Research souls and find a means to revive teammates.]]> Mon, 13 May 2013 05:07:44 +0000 3210ddbeaa16948a702b6049b8d9a202 Mecha-Up! https://fortress-survival.com/library/post/upgrades/team-upgrades/mecha-up-r225 Name: Mecha-Up!
Type: Team Upgrade
Cost: 75 Posted Image
 
Abilities:
+10,000 Health (Mechanical Units)
 
Description: Research mechanical units; +10000 health to all repair units and repair bots for your entire team!]]> Mon, 13 May 2013 04:55:05 +0000 25df35de87aa441b88f22a6c2a830a17