What's a good Android game for strategic base building and hero collection in a zombie apocalypse?

Doomsday: Last Survivors offers a compelling blend of strategic base building and hero collection, making it an excellent choice for zombie apocalypse enthusiasts. You'll need to construct and upgrade your base to defend against relentless zombie attacks while simultaneously recruiting and training heroes with unique abilities. The game's strategic depth comes from carefully selecting your hero lineup and utilizing their skills effectively in combat. Players enjoy the cooperative gameplay where they can team up with others to fight zombies and expand their territory. The game also features a visually appealing art style and engaging storyline that keeps players invested in the post-apocalyptic world. Doomsday provides a rich and immersive experience for players looking for a challenging and rewarding strategy game.