Introduction: State of Survival, developed by KingsGroup Holdings, is a popular mobile strategy game set in a post-apocalyptic world overrun by zombies. In this review, we will delve into the special event "The Joker Collaboration," where the iconic DC Comics character Joker is introduced into the game's universe.Gameplay (4/5): State of Survival is known for its mix of base-building, resource management, and strategic combat elements. Players must construct and upgrade their base, gather resources, train troops, and form alliances to survive in a world teeming with the undead.The Joker Collaboration event introduces a unique storyline, where the Joker himself makes an appearance as a character. Players can embark on new missions, battle Joker's henchmen, and unlock special rewards. The gameplay remains consistent with the core mechanics of State of Survival, with added elements to fit the Joker theme.One of the highlights of this event is the addition of Joker-themed gear, heroes, and zombies. Players can acquire these special items and characters to enhance their gameplay and immerse themselves in the DC Comics atmosphere. The collaboration breathes fresh life into the game, making it more engaging for both existing players and newcomers.Graphics (4/5): State of Survival boasts high-quality graphics with detailed character models, environments, and special effects. The introduction of the Joker Collaboration event brings DC Comics' iconic art style into the game. The Joker, in particular, is meticulously designed, staying true to his comic book appearance. The eerie ambiance of Gotham City blends seamlessly with the game's post-apocalyptic setting.The visuals are impressive, and the introduction of the Joker-themed content enhances the overall aesthetic. However, some players may find the darker and more sinister tone of the event less appealing than the game's original visuals.Sound (3.5/5): State of Survival features a fitting soundtrack that complements the post-apocalyptic atmosphere. While the music and sound effects serve their purpose, they may not be particularly memorable. The Joker Collaboration event does introduce some new audio cues that align with the DC Comics theme, adding variety to the audio experience.Monetization (3/5): Like many mobile games, State of Survival relies on a free-to-play model with in-app purchases. Players can purchase in-game currency and various packs that offer resources, items, and bonuses. While the monetization system is standard for the genre, it can be a bit aggressive in encouraging spending, especially during limited-time events like The Joker Collaboration.Conclusion: State of Survival: The Joker Collaboration is an intriguing crossover that injects new life into an already popular mobile strategy game. The addition of DC Comics' Joker, along with themed content and missions, provides an exciting twist for players. The high-quality graphics maintain the game's visual appeal, while the audio remains functional.However, the monetization aspect may deter some players who prefer a less aggressive approach to in-app purchases. Overall, if you're a fan of both State of Survival and the Joker, this collaboration event offers a unique and enjoyable experience within the post-apocalyptic world of zombies and superheroes.Overall Score: 3.5/5