99 Continues
At the title screen let it fade out to the intro and press Start to go back to the title screen again repeat this 6 more times you should have seen the title screen a total of 8 times at the 8th title screen press and hold Up Left A B amp Select and press Start If done right youll have 99 continues
Act Passwords Japanese version
M Medicine potion P Powerup R Ryu S Shuriken
Full HP
Japan version only
Reappearing 1up glitch
In Stage 62B grab the 1up backtrack to 62A then return to 62B The 1up will have reappeared along with all other powerups in the room You can repeat this process until the timer runs out
