ActionTrip Review
- Review by Ure "Vader" Paul features screenshots. Rated 40 of 100. "From an educational point of view this feature in the game is commendable. Complete and utter attention is aimed at the historical significance of this age."
- http://www.actiontrip.com/reviews/timeline.phtml

All Game Guide Review
- Reviewed by Michael Tresca. [2 of 5 for enjoyment value] "Ultimately, Timeline seems less like a time-travel experiment gone awry and more like a game design gone bad."
- http://www.allgame.com/cg/agg.dll?p=agg&SQL=GRH%7C%7C%7C%7C28701

GameSpot Review
- Rated 4.2/10. "The game is far too short, and the puzzles would be easy for even the most novice gamers." By Ron Dulin.
- http://www.gamespot.com/pc/action/timeline/review.html

GameSpy.com - Reviews
- By - Sal "Sluggo" Accardo rated [56 of 100] "Sadly, much of the game feels as if it were rushed, and the game's story and characters are presented so poorly as to all but ruin what could have an enjoyable experience."
- http://archive.gamespy.com/reviews/november00/timeline/