A bottomless game has more strategic depth than can be explored within years of study. Examples include Chess, Starcraft, and Street Fighter 2. Bottomless games require constant thought and re-strategizing to play properly.Expert players will be constantly inventing new strategies and counter-strategies.
Usage: People have been inventing new Starcraft strategies for years! The game is truly bottomless.
Comment: Bottomlessness is necessary for any game that is going to be played competitively for a long time after it’s release. It basically means that no matter how good you are, you will never be able to execute a degenerate strategy.