Survival Diary is a high-octane 3D action game that blends intense first-person shooter (FPS) mechanics with addictive weapon management. Set in a post-apocalyptic urban landscape overrun by hordes of the undead, players must take a stand and eliminate waves of zombies to reclaim the city. The game features a unique progression loop: enter the battlefield to mow down enemies and collect rewards, then return to your base to merge identical firearms and unlock superior weaponry. From classic pistols to rapid-fire submachine guns like the Uzi, each weapon offers a distinct tactical advantage. With its stylized pixel graphics, satisfying hit feedback, and rewarding upgrade system, Survival Diary provides a perfect mix of strategic preparation and thrilling combat for all action fans.