Rollover switches need replacement.

Qty 4
Part# A-17813

https://www.marcospecialties.com/pinball-parts/5647-12693-19

Pinball 2000 Software Updater
https://mypinballs.com/software/pinball2000/software_updater.jsp

BR2325 battery for PRISM card

https://ebay.us/m/nrg2FS
StarTech R232 Serial to USB Null Modem Adapter cable needed to upgrade game code to latest version