updated and fixed bugs in game 

"Zombie Survival" throws players into an intense fight for survival as waves of relentless zombies close in, each wave bringing even more challenging and varied undead foes. Armed with a powerful arsenal, players can upgrade and enhance their weapons to stand a better chance against the growing hordes. Each Wave tests strategy and skill, with unique environments to navigate and survive. With every game, players earn their place on a competitive leaderboard, where only the most resilient zombie slayers make it to the top. How long can you survive the onslaught?