Cartridge not getting read

[quasi flint]

I've tried to boot up an old game of mine but the System is not reading the Cartridge. The Pins look really bad and corroded. Any tips?
(Cleaning with a q-tip and isopropanol is not helping)

[green dew]

its likely unfixable

[fallen field]

That's true

[winged venture]

yeah one of the pads is missing.

[half swift]

I think it could be fixed, but if it is worth it is the real question.

[quasi flint]

i dont see it