The mighty 35 Remington has been knocking over big game animals since about 1908. That's over 100 years of success! It's a lethal killer because of very good accuracy and tremendous bullet performance. The 200 grain round nose is designed specifically for this cartridge's velocity and energy. The bullet factories figured out optimal jacket thickness and taper long long ago. No other cartridge shares this bullet. I hunted with an older Remington slide action rifle in 35 back when USAF assigned me to Wurtsmuth AF Base, Michigan. Every deer went down quickly, and stayed down for keeps.
Some compare the 35 Remington to 30-30. But I think its more reasonable to compare it to 300 Savage or .308 performance at typical forest hunting distances.
Good hunting to you.