Success depends on balancing risk and reward. While you can upgrade base skills and weapons, the game is notoriously difficult and relies heavily on RNG (randomly generated) elements.
You can often find a free demo version on Steam, which allows you to test the gameplay before buying. deadly-days-game-for-mac-free-download
The full game is available for macOS through Steam and the Humble Store , typically priced around $11.99 . Success depends on balancing risk and reward