| Title | Terms | Created |
| Roman Provinces | 30 | April 7, 2009 |
| Roman Regions | 21 | March 19, 2009 |
| The Great Sea | 14 | October 13, 2008 |
| Indian Ocean | 25 | October 13, 2008 |
| Cyclops | 11 | October 9, 2008 |
| Lateral Extremes | 14 | October 2, 2008 |
| Supervolcanoes | 14 | October 1, 2008 |
| Greek Architects | 4 | October 1, 2008 |
| First Ladies | 44 | April 13, 2008 |
| Presidential Succession | 18 | April 13, 2008 |
| U.S. Vice-Presidents | 52 | April 13, 2008 |
| U.S. Presidents | 43 | April 13, 2008 |
| U.S. State Abbreviations | 59 | March 24, 2008 |
| Roman Numerals | 51 | March 21, 2008 |
| Winter Olympics | 26 | March 20, 2008 |
| Summer Olympics | 32 | March 20, 2008 |
| Russian Names | 40 | March 20, 2008 |
| Nuclear Powers | 9 | March 20, 2008 |
| Russia | 38 | March 20, 2008 |
| Emperors of Rome | 55 | March 20, 2008 |
| Rome | 38 | March 20, 2008 |
| Capitals of the World | 212 | March 15, 2008 |
| Official Names of Countries | 91 | March 15, 2008 |
| Constellations | 89 | March 10, 2008 |
| Zodiac | 13 | March 10, 2008 |
| Stars | 26 | March 10, 2008 |
| Muses | 11 | March 3, 2008 |
| Roman Pantheon | 18 | February 29, 2008 |
| Alexander's Disintegrating Empire | 14 | February 29, 2008 |
| Stellar Classification | 33 | February 29, 2008 |
| Greek Alphabet | 24 | February 29, 2008 |
| Soviet Leaders and their Years of Reign | 8 | November 7, 2007 |
| Mohs Hardness Scale | 10 | November 5, 2007 |
| Random Aviation Knowledge | 24 | October 26, 2007 |
| Japanese WWII Aircraft | 13 | October 6, 2007 |
| WWII Aircraft | 19 | October 6, 2007 |
| Foreign Military Aircraft and their Names | 24 | October 6, 2007 |
| Military Aircraft and their Names | 56 | October 4, 2007 |
| Canadian Prime Ministers and Premiers | 14 | October 4, 2007 |
| Canada, Provinces, and Territories | 14 | October 4, 2007 |
