| US States with an Empty Map | 0 | - | 5.00 | 621,193 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,477 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,789 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,567 |
| US States Quiz | 0 | - | 5.00 | 16,772,966 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,914 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,078 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,629 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,443 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,549 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,548 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,859 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,748 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,798 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,558 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,968 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,997 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,363 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,149 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,769 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,506 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,686 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,042 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,906 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,469 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,311 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,759 |
| Pixelated United States Map | 0 | - | 4.89 | 93,790 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,468 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,196 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,268 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,211 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,101 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,725 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,968 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,235 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,049 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,671,305 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,685 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,804 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,719 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,698 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,697 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,108 |
| North America Map Quiz | 0 | - | 4.98 | 246,316 |
| Central American Countries | 0 | - | 4.98 | 155,484 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,786 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,103 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,053 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,993 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,914 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,837 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,198 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,741 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,808 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,183 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,253 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,400 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,030 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,000 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,583 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,141 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,184 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,965 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,378 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,309 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,180 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,211 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,855 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,958 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,983 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,431 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,118 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,672,589 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,899 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,301 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,784 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,646 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,709 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,883 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,219 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,067 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,010 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,433 |
| Flags of North and South America | 0 | - | 4.99 | 369,909 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,200 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,644 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,606 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,509 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,528 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,602 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,175 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,614 |
| U.S. States By Population | 0 | - | 4.92 | 152,756 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,493 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,703 |
| States of Mexico | 0 | - | 4.95 | 174,544 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,526 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,054 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,703 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,515 |
| Texas Counties | 0 | - | 4.55 | 76,404 |
| Most Visited U.S. States by Canadians | - | - | 4.74 | 60,838 |
| Which City in Canada? | 0 | - | 4.82 | 56,840 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,341 |
| Hawaiian Islands | 0 | - | 4.83 | 42,556 |
| New York Counties | 0 | - | 4.65 | 50,181 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,126 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,046 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,521 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,101 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,602,724 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,507 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,526,500 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,812,233 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,747 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,165 |
| Countries of Africa | 0 | - | 5.00 | 2,520,168 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,739 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,957 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,541,469 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,175 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,958 |
| Asia Map Quiz | 0 | - | 4.99 | 910,585 |
| Island Countries | 0 | - | 4.99 | 708,721 |
| Counties of England | 0 | - | 4.97 | 792,209 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,342 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,270 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,774 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,277 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,777 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,151 |
| Countries That Border Russia | 0 | - | 4.98 | 460,223 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,428 |
| Countries Bordering France | 0 | - | 4.83 | 401,009 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,139 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,931 |
| Australia Map Quiz | 0 | - | 4.94 | 343,192 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,242 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,573 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,600 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 335,463 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 303,782 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,237 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,819 |
| Countries that Border China | 0 | - | 4.96 | 262,442 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 305,532 |
| Europe Capital to Country | 0 | - | 4.99 | 248,807 |
| Official Cities in the UK | 0 | - | 4.89 | 281,926 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,400 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,200 |
| Megacities on a World Map | 0 | - | 4.98 | 252,236 |
| World Capitals by Map | 0 | - | 5.00 | 284,669 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,132 |
| Flags of Oceania | 0 | - | 5.00 | 256,814 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,180 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,670 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,997 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,297 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,161 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,691 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,520 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,007 |
| Every European Country Shape | 0 | - | 4.96 | 200,768 |
| Islands by Country #1 | 0 | - | 4.87 | 174,795 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,311 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,855 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,950 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,044 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,601 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,184 |
| Countries of the Middle East | 0 | - | 4.96 | 199,780 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,104 |
| Provinces of Turkey | 0 | - | 4.95 | 202,787 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,010 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,699 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,906 |
| European Countries with One Border | 0 | - | 4.97 | 182,076 |
| Counties of Ireland | 0 | - | 4.92 | 193,950 |
| Countries that Border Poland | 0 | - | 4.99 | 171,752 |
| Countries Bordering India | 0 | - | 4.98 | 163,184 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,562 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,530 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,452 |
| Biggest Cities in California | 0 | - | 4.35 | 139,492 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,414 |
| The Only European Country ... | 0 | - | 4.91 | 215,012 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,909 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,656 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,845 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,696 |
| Random European Capital to Country | 0 | - | 4.98 | 189,728 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,774 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,073 |
| UK Immigration by Country | 0 | - | 4.94 | 140,063 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,673 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,941 |
| Germany Country Quiz | 0 | - | 4.82 | 157,132 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,788 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,706 |
