Yes, you can slide in COD Mobile, but only when using specific weapons and under specific circumstances. For example, you can slide while using the AK47u submachine gun, as long as you are not sprinting. Additionally, you can only slide down small hills or inclines - attempting to slide down a large hill will result in your character stumbling and falling instead. If done correctly, sliding can be a great way to quickly move around the map and take out enemies by surprise.