| US States with an Empty Map | 0 | - | 5.00 | 621,201 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,504 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,791 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,571 |
| US States Quiz | 0 | - | 5.00 | 16,773,315 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,930 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,083 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,642 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,449 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,550 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,551 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,862 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,749 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,821 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,575 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,973 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,999 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,363 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,152 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,774 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,507 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,690 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,045 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,908 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,470 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,314 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,761 |
| Pixelated United States Map | 0 | - | 4.89 | 93,791 |
| 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 | 95,271 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,213 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,101 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,726 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,968 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,236 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,053 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,671,328 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,685 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,826 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,720 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,704 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,698 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,116 |
| North America Map Quiz | 0 | - | 4.98 | 246,322 |
| Central American Countries | 0 | - | 4.98 | 155,485 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,790 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,103 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,056 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,995 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,914 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,839 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,201 |
| 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 | 96,184 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,254 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,402 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,035 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,003 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,585 |
| 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 | 72,379 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,310 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,183 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,212 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,856 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,962 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,983 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,432 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,118 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,672,656 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,899 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,303 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,789 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,649 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,712 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,883 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,229 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,078 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,016 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,438 |
| Flags of North and South America | 0 | - | 4.99 | 369,933 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,210 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,648 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,608 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,526 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,531 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,602 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,177 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,615 |
| U.S. States By Population | 0 | - | 4.92 | 152,757 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,493 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,714 |
| States of Mexico | 0 | - | 4.95 | 174,560 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,526 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,061 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,706 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,517 |
| Texas Counties | 0 | - | 4.55 | 76,406 |
| Most Visited U.S. States by Canadians | - | - | 4.74 | 60,839 |
| Which City in Canada? | 0 | - | 4.82 | 56,843 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,350 |
| 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 | 113,522 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,101 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,602,829 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,582 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,526,606 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,812,293 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,798 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,176 |
| Countries of Africa | 0 | - | 5.00 | 2,520,222 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,762 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,964 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,541,525 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,189 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,002 |
| Asia Map Quiz | 0 | - | 4.99 | 910,624 |
| Island Countries | 0 | - | 4.99 | 708,731 |
| Counties of England | 0 | - | 4.97 | 792,232 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,366 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,288 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,782 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,292 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,799 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,159 |
| Countries That Border Russia | 0 | - | 4.98 | 460,228 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,434 |
| Countries Bordering France | 0 | - | 4.83 | 401,014 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,144 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,932 |
| Australia Map Quiz | 0 | - | 4.94 | 343,201 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,256 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,595 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,602 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 335,479 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 303,790 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,242 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,822 |
| Countries that Border China | 0 | - | 4.96 | 262,445 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 305,540 |
| Europe Capital to Country | 0 | - | 4.99 | 248,811 |
| Official Cities in the UK | 0 | - | 4.89 | 281,951 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,406 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,208 |
| Megacities on a World Map | 0 | - | 4.98 | 252,240 |
| World Capitals by Map | 0 | - | 5.00 | 284,675 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,146 |
| Flags of Oceania | 0 | - | 5.00 | 256,823 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,183 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,675 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,005 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,307 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,165 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,694 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,531 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,008 |
| Every European Country Shape | 0 | - | 4.96 | 200,770 |
| 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 | 174,951 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,050 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,601 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,187 |
| Countries of the Middle East | 0 | - | 4.96 | 199,785 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,104 |
| Provinces of Turkey | 0 | - | 4.95 | 202,811 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,014 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,700 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,907 |
| European Countries with One Border | 0 | - | 4.97 | 182,077 |
| Counties of Ireland | 0 | - | 4.92 | 193,954 |
| 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 | 182,566 |
| 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 | 139,494 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,415 |
| The Only European Country ... | 0 | - | 4.91 | 215,014 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,911 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,663 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,847 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,697 |
| Random European Capital to Country | 0 | - | 4.98 | 189,731 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,775 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,073 |
| UK Immigration by Country | 0 | - | 4.94 | 140,066 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,675 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,942 |
| Germany Country Quiz | 0 | - | 4.82 | 157,132 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,796 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,710 |
