| Countries Bordering Brazil | 0 | - | 4.96 | 130,929 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,257 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,267 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,929 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,042 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,573 |
| States of Brazil | 0 | - | 4.98 | 86,226 |
| Middle East A-Z | 0 | - | 4.46 | 45,747 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,671 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,838 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,273 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,164 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,500 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,052 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,172 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,454 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,007 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,351 |
| European Geography A-Z | 0 | - | 4.28 | 48,956 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,442 |
| Africa A-Z | 0 | - | 4.57 | 46,345 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,799 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,956 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,067 |
| France A-Z | 0 | - | 4.16 | 38,042 |
| Switzerland A-Z | 0 | - | 4.45 | 25,491 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,352 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,306 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,268 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,271 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,959 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,347 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,567 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,319 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,569 |
| U.S. Geography By Letter - H | 0 | - | 4.38 | 39,288 |
| California Cities A-Z | 0 | - | 4.06 | 16,973 |
| Hawaii A-Z | 0 | - | 4.28 | 13,402 |
| Texas A-Z | 0 | - | 4.18 | 16,298 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,511 |
| U.S. History A-Z #1 | 0 | - | 4.39 | 29,183 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,315 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 110,826 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,766 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,637 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,164 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,780 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,622 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,584 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,989 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,240 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,555 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,782 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,968 |
| London A-Z | 0 | - | 4.10 | 40,623 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,774 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,348 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,112 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,521 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,023 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,658 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,795 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,131 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,889 |
| Countries that Start with D | 0 | - | 4.96 | 700,586 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,384 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,551 |
| Countries that Start with H | 0 | - | 4.96 | 597,132 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,284 |
| Countries that Start with J | 0 | - | 4.98 | 595,200 |
| Countries that Start with K | 0 | - | 4.96 | 808,674 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,009 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,867 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,721 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,303 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,500 |
| Countries that Start with U | 0 | - | 4.97 | 899,225 |
| Countries that Start with V | 0 | - | 4.98 | 604,571 |
| Countries that Start with F | 0 | - | 4.83 | 611,517 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,352 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,644 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,781 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,308 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,577 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,258 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 72,065 |
| African Geography A-Z | 0 | - | 4.33 | 21,410 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,330 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,169 |
| US States Quiz | 0 | - | 5.00 | 16,680,352 |
| Canada A-Z | 0 | - | 4.73 | 32,627 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,494 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,103 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,167 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,424 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 33,775 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,236 |
| States of Mexico | 0 | - | 4.95 | 173,036 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,322 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,054 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,776 |
| South America A-Z | 0 | - | 4.13 | 10,832 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,041 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,318 |
| Chile Country Quiz | 0 | - | 4.75 | 39,692 |
| Peru Country Quiz | 0 | - | 4.54 | 48,252 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 742,789 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,552 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,132 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,153 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,395 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,840 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,209 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,432 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,109 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,884 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,267 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,474 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,889 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,646 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,954 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,467 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,447 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,963 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,447 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,387 |
| Turkey A-Z | 0 | - | 4.04 | 11,689 |
| The Bible A-Z | 0 | - | 4.29 | 59,156 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,382 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,632 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,147 |
| 17th Century A-Z | 0 | - | 4.78 | 34,140 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,036 |
| Which South American Country? | 0 | - | 4.69 | 51,694 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,768 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,280 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,462 |
| US States with an Empty Map | 0 | - | 5.00 | 618,144 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,424 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,553 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,798 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,307 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,281 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,587 |
| Rivers of the United States | 0 | - | 4.93 | 65,429 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,319 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,204 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,373 |
| People on Money - United States | 0 | - | 4.31 | 63,196 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,981 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,448 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,470 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,786 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,563 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,944 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,512 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,594 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,021 |
| Asian Geography By Letter - R | 0 | - | 4.34 | 27,526 |
| Countries that Start with R | 0 | - | 4.43 | 443,132 |
| Countries Bordering "U" Countries | 0 | - | 4.81 | 24,020 |
| World Cities A-Z by Clue #1 | 0 | - | 4.61 | 64,680 |
| World Cities A-Z by Clue #2 | 0 | - | 4.43 | 56,374 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,350 |
| U.S. Geography by Letter - W | 0 | - | 3.83 | 22,839 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,903 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,684 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,363 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,007 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,284 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,605 |
| Famous Germans | 0 | - | 4.50 | 54,564 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,252 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,934 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,303,502 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,121 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,868 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,491 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,603 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,924 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,305 |
| History of Mexico | 0 | - | 4.58 | 15,218 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,072 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,756 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,709 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,182 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,025 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,644 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,973 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,525 |
| Official European Union Languages | 0 | - | 4.97 | 236,359 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,604 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,872 |
| Russian History A-Z | 0 | - | 4.38 | 30,365 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,437,888 |
| Asia Map Quiz | 0 | - | 4.99 | 905,877 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,484 |
| A Quiz About Islam | 0 | - | 4.31 | 48,179 |
