if by 2 thousand you mean money, you just need to shoot stuff, dodge attacks, and get hit as little as possible to save for the upgrades. And there is no winning. It’s much like COD zombies
Why then show in the main room that I have $0? I don't like numbers that start with 0!
There is an objective, complete all experiments to get the code to the door and get out, it's stated in the description in the Itch page.
Too hard for me!