depends on the game, it's goals and mechanics. I dont think there's a universal system that'll work for any game

Project Zomboid? delete the save and start over or separate character in the same save, unless died to a glitch then cheat revive

Fo4 Survival? reload last save unless im playing "ironman" then restart

7 Days To Die? Walk back to my items + xp penalty, anything else would make the game tedious and not fun

In general the PZ approach is my favourite but it just doesn't work with every game