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