Every match is different because the environment is fully destructible and weapons are randomized.

The specific version string you provided (2020.13...) usually points toward "cracked" or pirated versions of the game. Using these links carries several risks:

There is a separate mobile version called Stick Fight: The Game Mobile (published by NetEase) which is free-to-play on the App Store and Google Play, though it features a different economy and controls. Risks of Third-Party "Free" Versions (2020.13...)

The legitimate way to download the game is through Steam for PC or via the official console stores (Nintendo Switch, PlayStation, Xbox).

If you are a fan of the chaotic, physics-driven fun Landfall creates, I highly recommend checking out their official Steam page to see if it's currently on sale.

Given its very low price point (often under $5 USD during sales), it is considered one of the best "bang-for-your-buck" indie games available.