If you are looking to advance in the game without using external scripts, here are key legitimate methods:

: Visit the Killhouse from the main menu to earn permanent weapons like the Crossbow (complete parkour under 45 seconds) and the M1911 (take down all targets).

: Automatically eliminates killers or completes tasks to earn badges and kills quickly.

: Utilize hit-and-run tactics and environmental cover to handle waves of killers in modes like Endless Survival .

Using third-party GUIs or scripts violates the Roblox Terms of Use and can lead to your account being permanently banned. If you'd like, I can help you find: The exact locations for all secret weapons. A guide for completing specific badge requirements . Tips for surviving Extreme Classic Mode .

"Efes" is likely a reference to a specific script or exploit developer known for creating Graphical User Interfaces (GUIs) for Roblox games , particularly for . These third-party GUIs typically offer features that bypass standard gameplay mechanics, such as:

: Use the permanent code 1947 at the Isolation Vault to unlock the AK-47.