|Branching story||The story branches off to two or more alternative lines, possibly merging at later time, giving increased replayability.||1990 / 2017||49 games|
|Character creation||Player creates one or more characters to play with, from defining their physical and mental attributes to what skills they have.||1982 / 2017||309 games|
|Consequences||The choices, actions or lack of action of the protagonist has future consequences that may or may not be immediately obvious.||2007 / 2018||71 games|
|Map generator||Uses (random) map/level generator to create most or all areas where the player can go to instead of shipping with regular human designed static levels or maps.||1975 / 2018||726 games|
|Multiple endings||Has more than one possible ending. Excluding any early endings caused by mission failure, non plot related deaths, or similar.||1981 / 2018||491 games|
|New Game+||After finishing the game at least once, the game can be played again with some features unlocked or various things changed.||1985 / 2018||168 games|
|Non-linear gameplay||Player is not forced to follow a rigid path of progression.||1986 / 2017||210 games|
|Player awards||container group|
|Randomized content||Any non-specific randomized content.||2013 / 2017||6 games|
|Skip non-interactive||Allows skipping non-interactive sections, from videos to narrative to simple dialogs.||1999 / 2017||88 games|
|Variable ending||The ending is an amalgam of various bits of info that cover what was done and how they affected the outcome.||1986 / 2017||19 games|
Any tags that inherently contribute to replayability, regardless of how much the particular implementation in each game actually does so.
Random chance or similar unpredictability of certain actions or events do not generally belong here, as they do not really affect replayability. Mainly concepts that enforce or help making the experience unique each time.