Survival games are all about building a strong base, and after hours of collecting materials and strengthening defenses, you're probably hoping it will at least last until sunrise. In any case, there's rarely anything more rewarding than entering your shelter and watching all the enemies gathering outside, unable to even touch you, let alone hurt you.

However, that feeling of safety doesn't usually last very long, and building a solid base doesn't always mean enemies cannot reach you. Some games make sure that you'll be on the edge of your seat, no matter where you go, including that sacred shelter. Moreover, sometimes it could be exactly your home that attracts the enemies. These fantastic survival games ensure players never let their guard down.

In 7 Days to Die, you start with almost nothing in a world that creates its narrative through survival. You scavenge abandoned buildings, gather food and weapons, and craft tools for your day-to-day activities until you eventually have enough resources to build a fortress to keep the undead as far away from you as possible. However, the catch is that the fortress can never become completely safe.

Every 7 in-game days, the game spawns waves of zombies that test how well players have built their defenses. Moreover, progression will not make this problem disappear; the more you level up, the more dangerous your enemies become, so gaining access to better traps, walls, and firing positions is just what's necessary to save you before the fortress collapses.

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