Pixelstar games merge strategy Idle Merge game ' Grow Zombies' has arrived! Abandoned + synthetic + Merge + strategy game + defense Addictive synthesis and strategic battle Please generate and grow zombies and conquer the world Combining zombies and developing even stronger zombies Strengthen various weapons, tanks, spacecraft Hunt for aliens and mutations! [Game Features] ◈ Please synthesize zombies and develop high-grade zombies ◈ Awaken the zombies and learn special abilities ◈ Make zo