Aside from the addictive blend of mechanics, well - implemented learning curve, rewarding progression systems, and satisfying level of challenge, the core gameplay is fairly decent, too. (videochums.com)
The result is an extremely rewarding progression system, providing exciting loot hauls while satisfying a deep - seated human instinct to stockpile food. (gamesradar.com)
As detailed on The Coalition's official blog, Gear Packs are how the game rewards your progression across its online modes: Versus and Horde. (windowscentral.com)