A little hard for me to get a good groove going and properly chain-rescue. I think it’s because Dr. J Ferret is so darn slow starting out.
Viewing post in Dr. J. Ferret Reclaims The Living comments

Okay, nevermind. Finally got the hang of it. Yeah, just like other comments. A performance issue when it hits around 15 perks (good and bad)or less. It just makes the game super laggy to the point it was moving at only a few frames per second. I don’t think it’s feasible to get the 1,000 goal as it stands.