A number of the games listed on the main page do have long titles or include a separate introduction.
The introductions commonly include genre, number of players and materials required. Using the examples listed, some minimalist RPGs put background/lore in the introductions too.
Hey! I'm not so good with english grammar. I just thought about a simple worldmap TTRPG game for 1-2 hour of develop. And not sure how to develop very short games in team and my bad english grammar. ^_^'