ThisGenGaming says "The world is under attack! Our enemy is relentless and it’s up to four of the earth’s greatest minds to save our planet from alien invaders. In Fortified you control one of four uniquely skilled characters and lead an army of diverse troops and structures against waves of alien foes. The storyline doesn’t get much deeper than that. The game controls in the third person but mixes elements of tower defense and role playing games. It has a 12 level campaign set in the 1950s that can be played solo or in online co-op with friends or strangers. The goal of each level is to protect your base, which is a giant rocket, from waves of aliens. If your base takes too much damage it will be destroyed and its game over. If your character dies you will respawn after five seconds. Finding the right balance between character placement and equipping the most effective weapon is the main challenge of each mission."
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Console Obsession says: "Fortified is a game that takes inspiration from a number of things, including third person action, tower defense and 1950s sci fi films. With intense action, pick-up-and-play controls, and a pleasing level of strategic depth, it’s certainly a game that does a number of things right."
Gamespot:
The best part about Fortified is its pulp sci-fi personality. This mash-up of the tower defense and third-person shooter genres plays like the film Mars Attacks! brought to life, complete with Cold War-era alien goons with fish bowls on top of their heads and whirring flying saucers of the sort that made the Earth stand still once upon a time. Sadly, the worst part about Fortified is that this personality is its best part. Gameplay takes a backseat to the congenial story and setting about an alien invasion at around the same point in history when Marty McFly took his mother to the prom. The limited number of bad guys, maps, and overall fresh ideas makes this shoot-em-up enjoyable only in quick, limited doses.