Time & Time Again is a role-playing game published by Timeline Ltd. in 1984.
Time & Time Again is a time-travel system featuring combat rules that can be used for any historical period.PCs can't change the past; they are employed to protect observing time-travel scholars or track down time travelers who have gone berserk. The emphasis is on interacting with historical societies, not altering them. The game includes character creation, maps, charts, and three sample scenarios.
Time & Time Again was designed by H.N. Voss and W.P. Worzel, and published by Timeline Ltd. in 1984 as a boxed set containing a 52-page book and a 48-page book, and three four-page pamphlets.