I don't think it looks that bad. It would be a lot of work but it can be done. I have a couple of posts on games that I have restored to give you some ideas.
Not saying I am an expert but my methods worked for me.
https://pinside.com/pinball/forum/topic/fireball-ii-restore-begins
https://pinside.com/pinball/forum/topic/78-bally-lost-world-restore/page/7#post-5274572
https://pinside.com/pinball/forum/topic/capt-fantastic-rebuild-begins/page/4#post-5169005