| States of Mexico | 0 | - | 4.94 | 145,597 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 42,361 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 282,914 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,774 |
| States of Brazil | 0 | - | 4.97 | 71,380 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 123,445 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.95 | 37,941 |
| Pixelated United States Map | 0 | - | 4.90 | 83,878 |
| US States with an Empty Map | 0 | - | 5.00 | 563,854 |
| US States Quiz | 0 | - | 5.00 | 15,024,959 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 21,839 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.91 | 26,749 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,776 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 75,539 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 80,127 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,398 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,593 |
| Belize Country Quiz | 0 | - | 4.88 | 19,108 |
| Brazil States Map Quiz | 0 | - | 4.84 | 40,963 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,966 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,908 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,572 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,528 |
| Countries Closest to Canada | 0 | - | 4.90 | 186,585 |
| Colombia Country Quiz | 0 | - | 4.89 | 36,022 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,267 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,984 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,962 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,310 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,878 |
| U.S. States By Population | 0 | - | 4.90 | 131,589 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,615 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,917 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 79,105 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,059 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,218 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,558 |
| Cuba Country Quiz | 0 | - | 4.70 | 47,794 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,594 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 175,376 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 152,138 |
| South American Cities on the Map | 0 | - | 4.55 | 33,504 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 93,315 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 37,105 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,879 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 81,082 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,927 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,293 |
| Countries Bordering Brazil | 0 | - | 4.96 | 125,143 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 45,984 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,410 |
| Countries that Beat Canada | 0 | - | 4.91 | 79,419 |
| South America Map Quiz | 0 | - | 5.00 | 1,438,366 |
| Mexico States Map Quiz | 0 | - | 4.80 | 92,269 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,752 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,209 |
| Counties of England | 0 | - | 4.97 | 706,129 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,493 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 42,630 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 74,611 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 73,165 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,471 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,512 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 96,212 |
| South America Capitals Quiz | 0 | - | 5.00 | 434,217 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 127,999 |
| Mexico Country Quiz | 0 | - | 4.48 | 67,407 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 859,955 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,232 |
| Australian States and Territories | 0 | - | 4.96 | 130,777 |
| Largest Virgin Islands | 0 | - | 4.24 | 4,987 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,189 |
| Top African Languages on a Map | 0 | - | 4.93 | 56,302 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 188,136 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 102,468 |
| Top 10 Hottest U.S. States | 0 | - | 4.88 | 112,509 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,416 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,899 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 57,655 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 50,283 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,429 |
| The Only American Country ... | 0 | - | 4.94 | 111,694 |
| Barbados Country Quiz | 0 | - | 4.79 | 18,435 |
| Haiti Country Quiz | 0 | - | 4.76 | 29,858 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.65 | 20,156 |
| Dominican Republic Country Quiz | 0 | - | 4.59 | 21,328 |
| Regions of Italy | 0 | - | 4.89 | 62,256 |
| States of India | 0 | - | 4.92 | 160,320 |
| Canada Provinces and Territories | 0 | - | 4.99 | 294,460 |
| Japanese Prefectures | 0 | - | 4.98 | 111,119 |
| Provinces of China | 0 | - | 4.98 | 161,919 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,638 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 85,125 |
| States of Germany | 0 | - | 4.94 | 127,450 |
| Counties of Ireland | 0 | - | 4.90 | 163,930 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,605 |
| Federal Subjects of Russia | 0 | - | 4.95 | 117,410 |
| Provinces of Turkey | 0 | - | 4.95 | 181,169 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,881 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,550 |
| Pixelated Europe Map | 0 | - | 4.90 | 111,112 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 136,026 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 98,458 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 29,756 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.96 | 12,533 |
| Central American Countries | 0 | - | 4.98 | 141,558 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,771 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,154 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 93,501 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.53 | 17,155 |
| Grenada Country Quiz | 0 | - | 4.60 | 17,310 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.59 | 20,331 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 118,375 |
| Regions of New Zealand | 0 | - | 4.83 | 25,035 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 95,439 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,598 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 96,053 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 251,500 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,902 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 71,015 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,356 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 139,338 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,910 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,194 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 84,005 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 70,272 |
| Canada Country Quiz | 0 | - | 4.54 | 123,014 |
| United States Country Quiz | 0 | - | 4.44 | 91,099 |
| Europe Map Quiz | 0 | - | 5.00 | 4,357,995 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,636 |
| Canada Cities Map Quiz | 0 | - | 4.57 | 110,479 |
| Mexico Cities Map Quiz | 0 | - | 4.75 | 31,324 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 73,325 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 47,841 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,550,551 |
| Nicaragua Country Quiz | 0 | - | 4.61 | 24,365 |
| Panama Country Quiz | 0 | - | 4.59 | 23,661 |
| El Salvador Country Quiz | 0 | - | 4.61 | 29,019 |
| Guatemala Country Quiz | 0 | - | 4.62 | 23,133 |
| Honduras Country Quiz | 0 | - | 4.51 | 21,700 |
| Costa Rica Country Quiz | 0 | - | 4.76 | 29,348 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,356,925 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,822 |
| Africa Map Quiz | 0 | - | 5.00 | 1,963,728 |
| Asia Map Quiz | 0 | - | 4.99 | 802,211 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 393,214 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,529 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,838 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,533 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,880 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,827 |
| Random U.S. City to State | 0 | - | 4.44 | 66,935 |
| Africa Capitals Quiz | 0 | - | 4.99 | 650,955 |
| Asia Capitals Quiz | 0 | - | 4.98 | 608,148 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 107,715 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 37,490 |
| Boroughs of New York City | 0 | - | 4.45 | 78,097 |
| Countries of Africa | 0 | - | 5.00 | 2,220,214 |
| Which South American Country? | 0 | - | 4.71 | 49,405 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 38,088 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,909 |
| Brazil Country Quiz | 0 | - | 4.57 | 93,697 |
| Argentina Country Quiz | 0 | - | 4.51 | 53,108 |
| Peru Country Quiz | 0 | - | 4.52 | 44,608 |
| Chile Country Quiz | 0 | - | 4.80 | 36,277 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,700 |
| United States Map Quiz | 0 | - | 4.98 | 3,936,614 |
| Australia Map Quiz | 0 | - | 4.94 | 323,395 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 340,009 |
| Brazil Cities Map Quiz | 0 | - | 4.61 | 34,113 |
| Longest U.S. State Borders | 0 | - | 4.66 | 35,027 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 106,992 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,271 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.76 | 33,712 |
| South American Geography Quiz #2 | 0 | - | 4.66 | 37,397 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,719 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,747 |
| Canadian Islands on the Map | 0 | - | 4.33 | 13,346 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,426 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,261 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,605 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,947 |
| New England States | 0 | - | 4.52 | 52,604 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,645 |
| US States by Land Area | 0 | - | 4.54 | 49,017 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,471 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,409 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,776 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,769 |
| Save Americans by Guessing U.S. States | 0 | - | 4.55 | 155,038 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,426 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,334 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.48 | 40,967 |
| O Canada Lyrics Quiz | 0 | - | 4.45 | 49,234 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,068,643 |
| Flags of Asia Quiz | 0 | - | 4.99 | 535,845 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 523,826 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,597 |
| European Cities by Map #2 | 0 | - | 4.48 | 44,798 |
| European Cities by Map #1 | 0 | - | 4.66 | 52,261 |
