Many players enjoy KILLALLZOMBIES because of its fast and exciting twin-stick zombie shooting gameplay. The game is fun to play for short sessions and is even more enjoyable with friends. Players especially like the Twitch feature, which lets viewers affect the game through chat commands. The variety of weapons, perks, zombie bosses, and challenges also keeps the gameplay interesting. These features are a big reason why the game has a 79% positive rating on Steam from 259 reviews.However, some players are unhappy with technical issues. Many report frequent crashes and stability problems. The game may crash after a few minutes or even after more than an hour of play. In some cases, players lose their progress or unlocked content because of these crashes.