The Gunslinger in Troubled Times

Travel to a post-apocalyptic world where zombies are rampant. Yu Yan became an international student in the United States. The portable sharpshooter skill tree, you can light up the skills by killing zombies. [Siler]: When using firearms to attack enemies, the sound of gunfire will be automatically silenced. [Fatal Shot]: Fire a precise bullet at the enemy, which is determined to be a forced hit. It has a very high critical hit rate and piercing power. [Mechanical Dimension Pocket]: Can store weapons, ammunition, machinery and food. [Supernova Nuclear Explosion], [Chronospace March], [Gaborga's Fist], [Valdes Mecha], [Overclocking: All-Area Attack], [G-1 Guardian] Face overwhelming zombies and mutant beasts. Countless humans struggle to survive, just to seek shelter from Yu Yan. Note: The sharpshooter skills are based on the DNF sharpshooter skills, but some modifications and additions will be made. Please don't take it too seriously, thank you.