The new opponents and skills
The add-on offers especially with new enemies and a host of new weapons and soldiers upgrades. The two new aliens are initially quite nice, but especially the new organization of human opponents adds excitement to the game, especially if you have the basic game several times by playing. This new plotline is practically a small parallel game that makes a lot of fun, even if the aliens, of course, are the stronger opponent.
Most convincing, however, the new ways of exploiting their own soldiers. In addition to transport and psi powers now would be additional genetic enhancements, religious and cybernetic upgrades. The player must play through the game at least once, before he has an overview, in order to develop targeted his soldiers the second time. Not everything can be combined with each other and on the battlefield, the player eventually wants to have all the possible options available.
In the base and on the battlefield
On the battlefield, has optically not changed much, but by the many new capabilities often leads to new tactics. At the same time provide some new missions and new challenges, the experienced players but overcome without major problems. In the early phase of the game, the two new Aliens is the most challenging, because one thing is very well armored, the other can disguise themselves. Toward the end, the game it will be easier, as the new skills the player against the aliens before sharing heavily.
In the base was little changed. There are two new facilities, otherwise everything has remained the same. Right here would have the developers but also can add a little work on the menu. Still, the player has to move back and forth many times with many clicks between different institutions. The only improvement here is that there is now a button on equip the soldiers in front of a combat mission, be disarmed by all non-employed soldiers. This saves some time at Arm before use.
Appearance
Improved graphics, there are no noticeable. Also, there is still before that the player can not see a shot because the camera is an object in the road. Also can still occasionally see through walls Aliens and shoot at them. Sometimes it would be nice if the players could zoom further out to get a better overall view.
Conclusion
Overall, it is worth buying this add-on. There are a number of new enemies, a new storyline and new skills for the soldiers commanded, actually give the game more depth. Except for minor details fans of the game are likely to be very satisfied.