Supposedly a feature of the original DOS versions (there are references to "history buffer", though I've never actually made it work). Besides being a nice feature, being able to record and play back demos could also useful for regression testing.
A nice "stretch goal" would be a mission recorder system with the ability to construct little gameplay videos (see Red Baron's mission recorder feature to understand what I mean)
Supposedly a feature of the original DOS versions (there are references to "history buffer", though I've never actually made it work). Besides being a nice feature, being able to record and play back demos could also useful for regression testing.
A nice "stretch goal" would be a mission recorder system with the ability to construct little gameplay videos (see Red Baron's mission recorder feature to understand what I mean)