| Asian Geography By Letter - B | 0 | - | 4.85 | 66,164 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,598 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,495 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,271 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,397 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,958 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,447 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,854 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,942 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,658 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,112 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,093 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,966 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,430 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,287 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,019 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,799 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,429 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,512 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,247 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,696 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,175 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,584 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,789 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,124 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,759 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,725 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,696 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,685 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,361 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,807 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,941 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,792 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,927 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,715 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,049 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,373 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,726 |
| Countries that Start with D | 0 | - | 4.96 | 704,587 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,121 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,661 |
| Countries that Start with H | 0 | - | 4.96 | 600,484 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,228 |
| Countries that Start with J | 0 | - | 4.98 | 598,509 |
| Countries that Start with K | 0 | - | 4.97 | 811,706 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,742 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,705 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,549 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,369 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,335 |
| Countries that Start with U | 0 | - | 4.97 | 901,660 |
| Countries that Start with V | 0 | - | 4.98 | 606,682 |
| Countries that Start with F | 0 | - | 4.83 | 614,262 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,494 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,385 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,260 |
| Peru Country Quiz | 0 | - | 4.54 | 48,457 |
| Chile Country Quiz | 0 | - | 4.75 | 39,868 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,722 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,657 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,458 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,244 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,512 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,190 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,049 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,680 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,263 |
| Monarchies of Europe | 0 | - | 4.90 | 97,662 |
| Monarchies of Asia | 0 | - | 4.97 | 70,805 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,604 |
| Which South American Country? | 0 | - | 4.69 | 51,813 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,757 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,116 |
| US States Quiz | 0 | - | 5.00 | 16,771,274 |
| Asian Geography By Letter - S | 0 | - | 4.16 | 55,977 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,417 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,843 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,084 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,708 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,665 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,352 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,078 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,419 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,790 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,080 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,611 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,593 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,096 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,642 |
| Central American Countries | 0 | - | 4.98 | 155,477 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,414 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,330 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,575 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,448 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,668 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,612 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,114 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,688 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,147 |
| States of Mexico | 0 | - | 4.95 | 174,479 |
| States of Brazil | 0 | - | 4.97 | 87,050 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,337 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,499 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,547 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,589 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,174 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,583 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,480 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,482 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,746 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,150 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,605 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,033 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,736 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,393 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,374 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,780 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,169 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,676 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,201 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,010 |
| Asia Map Quiz | 0 | - | 4.99 | 910,471 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,374 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,926 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,389 |
| US States with an Empty Map | 0 | - | 5.00 | 621,130 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,257 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,046 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,454 |
| European Geography A-Z | 0 | - | 4.29 | 49,098 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,283 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,702 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,036 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,583 |
| NATO Countries | 0 | - | 4.98 | 277,844 |
| EU Countries Quiz | 0 | - | 4.99 | 271,405 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,810 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,186 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,147 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,894 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,214 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,222 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,347 |
| The Only European Country ... | 0 | - | 4.91 | 214,978 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,973 |
| Countries with NO Military | 0 | - | 4.97 | 61,539 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,255 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,228 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,134 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,438 |
| Countries of Africa | 0 | - | 5.00 | 2,519,704 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,751 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,721 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,899 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,652 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,154 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,134 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,324 |
| Australia Map Quiz | 0 | - | 4.94 | 343,178 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,114 |
| Rivers of the United States | 0 | - | 4.93 | 65,776 |
| African East Coast | 0 | - | 4.96 | 95,464 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,135 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,526 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,478 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,729 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,632 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,289 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,579 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,115 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,412 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,825 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,643 |
| Countries that Start with R | 0 | - | 4.43 | 445,166 |
| India A-Z | 0 | - | 4.42 | 34,006 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,308 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,673 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,850 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,448 |
| Flags of North and South America | 0 | - | 4.99 | 369,835 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,661 |
| Counties of England | 0 | - | 4.97 | 792,141 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,548 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,585 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,553 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,624 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,128 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,028 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,377 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,050 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,423 |
| Europe Capital to Country | 0 | - | 4.99 | 248,763 |
| Asia Capital to Country | 0 | - | 4.96 | 126,121 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,047 |
| European Capitals by Map | 0 | - | 4.99 | 137,560 |
| African Capitals by Map | 0 | - | 4.99 | 132,769 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,941 |
| Coldest World Capitals | 0 | - | 4.95 | 133,199 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,683 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,559 |
