I use the timer to do this life glitch; his dead body goes through an exit and he emerges alive, but with no remaining life bars. Thanks to KamilDowonna for the conversion.
From Wikipedia:
is a 1990 Super Nintendo Entertainment System action and city-building simulation game developed by Quintet and published by Enix (now Square Enix) that combines traditional side-scrolling platforming with urban planning god game sections. Learn about ActRaiser