Nation Red Thousands of Zombies, One More Run

Co-op is where this game opens up. Up to four players can team up online or on one screen, splitting roles as the horde closes in: one holds the barricade, one kites the bosses, someone revives a downed teammate before the wave swallows them. With perks stacking and power-ups dropping, a good squad clears space that would be impossible alone. It is quick to jump into a round, which makes it an easy pick when friends are online and nobody wants a long commitment.

The weapon list is where the game gets inventive. Machetes and axes for close work, dual Uzis, flamethrowers, grenades and poison, plus oddities like a jackhammer and the Steam Hammer, which rips the skin off whatever it hits. Newer additions include a minigun, the AA-12 shotgun, an MP5, a Beretta 93R and a Super Shorty. The catch is that the zombies are not all unarmed shamblers: some wield axes, cut-off saws and AK-47s, and suicide bombers force you to watch what you are shooting at. Weapons drop from kills, so switching loadouts mid-run is part of the rhythm.

Every level-up offers a choice from close to 100 perks, plus two dozen power-ups and 30 extra community-designed perks on top. Some perks trade one strength for another, so a run becomes a series of decisions: faster reloads, better accuracy, more drops, heavier damage. Bosses like Brawlers show up to test them. Runs are short and the loop is tight, which is why the game has a "just one more go" pull, and leaderboards give the score chasing a target.