Change spike behaviour in Sonic 2
From Sonic Retro
To change the spike behaviour to that of Sonic the Hedgehog, delete the following lines:
GitHub
tst.w invulnerable_time(a1) ; is character invulnerable?
bne.s + ; rts ; if yes, branch
Xerowhirl
tst.w invulnerable_time(a1)
bne.s return_15AC4
Guide by User:Shadow05.