This is a really basic mod for a friends server. Not particularly going to be maintaining this too long.
Start Screen helps servers emulate the meta aspect of "starting a game" for roleplay purposes.
This mod tracks players last online time on the server and opens up a fancy menu screen if they've been off too long or if it's their first time joining the server. Time can be configured.
This only works if the server runs while the player is offline so this wont work in singleplayer.
Requires fancy menu.