This paper formalizes ERGS, compares it to existing systems (quicksave/autosave, rewind mechanics in Braid / Prince of Persia ), and provides a reference implementation.
The benefits of reversible game saves are numerous. For one, they provide a safety net for players who are trying new things or exploring different parts of the game world. If a player makes a mistake or encounters an unexpected challenge, they can simply revert back to a previous save and try again. egis reversible game save
Using redundant layers so that if a "rollback" fails, the original state is never lost. Non-Destructive Timelines: This paper formalizes ERGS, compares it to existing