>>11888708
It's a good contender... but for me it's Sonic 2 (8-Bit).

>>11833954
I'd say most of Sonic's 8-Bit/handheld career was quite solid:

Sonic 1 (8-Bit)
Sonic 2 (8-Bit)
Sonic Chaos
Sonic Triple Trouble
Tails Adventure
Sonic Pocket Adventure
Sonic Advance
Sonic Advance 2
Sonic Advance 3
Sonic Rush

>>11813539
Sonic 2 on SEGA Master System.