| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,049 |
| States of Brazil | 0 | - | 4.97 | 88,345 |
| South America A-Z | 0 | - | 4.13 | 10,916 |
| Canada A-Z | 0 | - | 4.73 | 32,860 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,676 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,883 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,419 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,571 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,120 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,012 |
| Africa A-Z | 0 | - | 4.57 | 46,643 |
| Asian Cities A-Z by Clue | 0 | - | 4.50 | 40,174 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,579 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,572 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,475 |
| States of Mexico | 0 | - | 4.96 | 176,462 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,190 |
| Middle East A-Z | 0 | - | 4.47 | 46,092 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,306 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,381 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,770 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,095 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,471 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,907 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,373 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,591 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,655 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,630 |
| European Geography A-Z | 0 | - | 4.29 | 49,321 |
| Flags of North and South America | 0 | - | 4.99 | 373,769 |
| South American Physical Geography | 0 | - | 4.58 | 18,359 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,586 |
| France A-Z | 0 | - | 4.16 | 38,229 |
| Switzerland A-Z | 0 | - | 4.45 | 25,665 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,333 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,124 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,139 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,132 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,826 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,954 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,357 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,186 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,348 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,200 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,006 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,627 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,473 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,871 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,158 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,790 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,646 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,853 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,662 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,960 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,808 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,103 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,559 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,700 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,458 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,185 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,763 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,456 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,961 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,410 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,086 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,952 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,844 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,440 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,724 |
| Countries that Start with D | 0 | - | 4.96 | 710,816 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,515 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,768 |
| Countries that Start with H | 0 | - | 4.96 | 605,604 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,366 |
| Countries that Start with J | 0 | - | 4.98 | 603,238 |
| Countries that Start with K | 0 | - | 4.97 | 816,713 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,777 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,790 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,208 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,367 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,685 |
| Countries that Start with U | 0 | - | 4.97 | 905,177 |
| Countries that Start with V | 0 | - | 4.98 | 609,807 |
| Countries that Start with F | 0 | - | 4.83 | 618,252 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,862 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,394 |
| African Geography A-Z | 0 | - | 4.33 | 21,488 |
| The Only American Country ... | 0 | - | 4.92 | 121,724 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,209 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,617 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,611 |
| US States Quiz | 0 | - | 5.00 | 16,897,720 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,296 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,208 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,902 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,444 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,235 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,284 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,781 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,798 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,067 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,523 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 31,056 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,779 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,948 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,611 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,890 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,619 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,007 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,555 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,917 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,676 |
| Chile Country Quiz | 0 | - | 4.77 | 40,099 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,890 |
| Peru Country Quiz | 0 | - | 4.54 | 48,706 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,032 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,577 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,765 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,687 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,476 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,659 |
| Pixelated United States Map | 0 | - | 4.87 | 94,371 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,834 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,892 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,910 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,307 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,939 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,033 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,574 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,561 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,170 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,469 |
| U.S. States By Population | 0 | - | 4.92 | 153,654 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,592 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,525 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,267 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,712 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,429 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,474 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,887 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,065 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,154 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,837 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,640 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,275 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,823 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,998 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,273 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,116 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,964 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,252 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,827 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,769 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,272 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,764 |
| The Bible A-Z | 0 | - | 4.29 | 59,819 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,246 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,821 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,531 |
| 17th Century A-Z | 0 | - | 4.78 | 34,662 |
| Which South American Country? | 0 | - | 4.69 | 51,971 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,742 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,208 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,576 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,662 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,736 |
| US States with an Empty Map | 0 | - | 5.00 | 625,358 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,862 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,555 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,625 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,231 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,358 |
| American Football A-Z | 0 | - | 4.26 | 14,531 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,110 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,827 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,316 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,284 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,839 |
| Belize Country Quiz | 0 | - | 4.85 | 21,003 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,939 |
| People on Money - United States | 0 | - | 4.31 | 63,355 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,230 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,802 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,791 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,221 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,949 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,069 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,160 |
| London A-Z | 0 | - | 4.10 | 40,797 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 27,992 |
| Military History A-Z | 0 | - | 4.20 | 21,182 |
| Countries that Start with R | 0 | - | 4.43 | 448,061 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,579 |
| Human Body A-Z | 0 | - | 4.51 | 129,291 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,681 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,883 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,433 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,439 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,246 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,863 |
