To use another IRL example, humans did drive the wooly mammoth to complete extinction with little more than sharpened rocks attached to sticks.
Humanity's ability of cooperation is a massive force multiplier and let's us accomplish tasks that would kill and individual.
I've run 10 Candles a number of times and had an absolutely fantastic time every single time. It's perfect for a horror one shot and character creation is built right into setting up the game. Definitely talk with the group beforehand whether you all want to play a more light hearted comedic horror or something scarier.
https://youtu.be/GfePLMYmA7k