| Countries Bordering Brazil | 0 | - | 4.96 | 131,434 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,505 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,400 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,441 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,324 |
| States of Brazil | 0 | - | 4.97 | 87,615 |
| Middle East A-Z | 0 | - | 4.47 | 45,973 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,725 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,153 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,621 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,558 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,279 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,772 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,310 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,557 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,626 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,562 |
| European Geography A-Z | 0 | - | 4.29 | 49,193 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,989 |
| Africa A-Z | 0 | - | 4.57 | 46,565 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,404 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,238 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,417 |
| France A-Z | 0 | - | 4.16 | 38,170 |
| Switzerland A-Z | 0 | - | 4.45 | 25,620 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,408 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,978 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 62,961 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 56,969 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,652 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 52,939 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,231 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,025 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,199 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,998 |
| California Cities A-Z | 0 | - | 4.06 | 17,185 |
| Hawaii A-Z | 0 | - | 4.28 | 13,446 |
| Texas A-Z | 0 | - | 4.18 | 16,355 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,538 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 29,940 |
| European Geography By Letter - A | 0 | - | 4.51 | 144,952 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,594 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,335 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,069 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,133 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,133 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,220 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,557 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,241 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,795 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,126 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,361 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,239 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,115 |
| London A-Z | 0 | - | 4.10 | 40,744 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,061 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,614 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,355 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,815 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,296 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,935 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,744 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,570 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,571 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,919 |
| Countries that Start with D | 0 | - | 4.96 | 707,429 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,622 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,286 |
| Countries that Start with H | 0 | - | 4.96 | 602,914 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,980 |
| Countries that Start with J | 0 | - | 4.98 | 600,765 |
| Countries that Start with K | 0 | - | 4.97 | 813,845 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,701 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,652 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,157 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,187 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,359 |
| Countries that Start with U | 0 | - | 4.97 | 903,257 |
| Countries that Start with V | 0 | - | 4.98 | 608,319 |
| Countries that Start with F | 0 | - | 4.83 | 616,177 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,423 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,213 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,129 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,895 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,767 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,243 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,610 |
| African Geography A-Z | 0 | - | 4.33 | 21,462 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,514 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,155 |
| US States Quiz | 0 | - | 5.00 | 16,829,514 |
| Canada A-Z | 0 | - | 4.73 | 32,773 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,776 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,685 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,693 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,943 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,411 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,911 |
| States of Mexico | 0 | - | 4.95 | 175,472 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,292 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,199 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,774 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,642 |
| South America A-Z | 0 | - | 4.13 | 10,893 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,398 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,852 |
| Chile Country Quiz | 0 | - | 4.75 | 39,984 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,809 |
| Peru Country Quiz | 0 | - | 4.54 | 48,573 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,159 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,012 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,489 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,237 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,566 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,741 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,394 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,236 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,895 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,499 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,741 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,006 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,049 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,872 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,160 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,714 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,674 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,177 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,659 |
| Turkey A-Z | 0 | - | 4.04 | 11,826 |
| The Bible A-Z | 0 | - | 4.29 | 59,693 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,368 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,761 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,406 |
| 17th Century A-Z | 0 | - | 4.78 | 34,592 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,610 |
| Which South American Country? | 0 | - | 4.69 | 51,892 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,096 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,126 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,368 |
| US States with an Empty Map | 0 | - | 5.00 | 623,201 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,555 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,709 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,877 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,843 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,584 |
| Rivers of the United States | 0 | - | 4.93 | 66,066 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,970 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,093 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,964 |
| People on Money - United States | 0 | - | 4.31 | 63,320 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,314 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,402 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,220 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,470 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,386 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,794 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,833 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,004 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,660 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 27,849 |
| Countries that Start with R | 0 | - | 4.43 | 446,564 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,399 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,918 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,854 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,338 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,938 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,073 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,505 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,309 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,824 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,625 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,131 |
| Famous Germans | 0 | - | 4.50 | 55,163 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,277 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,654 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,707 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,305 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,510 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,501 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,712 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,323 |
| History of Mexico | 0 | - | 4.58 | 15,290 |
| Word Chain - South America | 0 | - | 4.51 | 23,871 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,422 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,720 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,918 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,295 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,388,792 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,676,527 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,424 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,993 |
| Official European Union Languages | 0 | - | 4.97 | 238,101 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,600 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,469 |
| Russian History A-Z | 0 | - | 4.38 | 31,578 |
| Famous French People | 0 | - | 4.06 | 34,808 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,444 |
| Asia Map Quiz | 0 | - | 4.99 | 914,352 |
