| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,601 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,260 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,432 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,636 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,010 |
| Random U.S. States on a Map | 0 | - | 4.96 | 626,381 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,390 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,667 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,758 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,328 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,690 |
| Vietnam War Countries | 0 | - | 4.82 | 94,221 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,443 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,442 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,594 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,740 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,745 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,156 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,326 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,106 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,863 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,830 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,315 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,819 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,421 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,462 |
| US States Quiz | 0 | - | 5.00 | 16,873,127 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,477 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,020 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,137 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,564 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,814 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,784 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,453 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,940 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,959 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,602 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,559 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,019 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,801 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,651 |
| Random European Capital to Country | 0 | - | 4.98 | 190,892 |
| Random European Country to Capital | 0 | - | 4.93 | 165,112 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,447 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,751 |
| Random African Capital to Country | 0 | - | 4.97 | 100,711 |
| Random African Country to Capital | 0 | - | 4.94 | 71,199 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,150 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,133 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,584 |
| United States Country Quiz | 0 | - | 4.43 | 101,502 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,684 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,756 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,174 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,467 |
| Pixelated United States Map | 0 | - | 4.87 | 94,257 |
| US States with an Empty Map | 0 | - | 5.00 | 624,520 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,851 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,529 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,409 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,422 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,012 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,984 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,275 |
| U.S. States By Population | 0 | - | 4.92 | 153,536 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,436 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,435 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,509 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,187 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,204 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,610 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,951 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,699 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,173 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,495 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,214 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,550 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,021 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,456 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,187 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,236 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,766 |
| Asia Map Quiz | 0 | - | 4.99 | 916,690 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,120 |
| U.S. State Flags | 0 | - | 4.89 | 170,397 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,434 |
| Hawaiian Islands | 0 | - | 4.83 | 42,705 |
| Rivers of the United States | 0 | - | 4.93 | 66,196 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,165 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,890 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,319 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,869 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,642 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,643 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,884 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,996 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,900 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,020 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,945 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,459 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,821 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,422 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,586 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,771 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,071 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,048 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,013 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,632 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,817 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,226 |
| The Only European Country ... | 0 | - | 4.91 | 216,596 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,231 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,109 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,649 |
| Arms Exports - United States | 0 | - | 4.77 | 62,407 |
| Countries of Africa | 0 | - | 5.00 | 2,536,677 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,111 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,253 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,647 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,656 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,362 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,879 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,665 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,687 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,959 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,867 |
| Australia Map Quiz | 0 | - | 4.95 | 344,592 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,432 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,192 |
| Flags of North and South America | 0 | - | 4.99 | 373,047 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,482 |
| Counties of England | 0 | - | 4.97 | 796,632 |
| African East Coast | 0 | - | 4.96 | 96,054 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,917 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,538,819 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,513 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,333 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,780 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,193 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,773 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,186 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,213 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,966 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,490 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,457 |
| Official Cities in the UK | 0 | - | 4.89 | 283,681 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,331 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,584 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,664 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,598 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,082 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,928 |
| Europe Capital to Country | 0 | - | 4.99 | 250,068 |
| Asia Capital to Country | 0 | - | 4.96 | 126,653 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,859 |
| European Capitals by Map | 0 | - | 4.99 | 139,119 |
| African Capitals by Map | 0 | - | 4.99 | 133,771 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,353 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,748 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,463 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,378 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,027 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,254 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,058 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,825 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,408 |
| European Coastal Capitals | 0 | - | 4.95 | 90,581 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,584 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,928 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,983 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,823 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,168 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,351 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,279 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,890 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,685 |
| Countries of the Middle East | 0 | - | 4.96 | 201,154 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,277 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,278 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,110 |
| Slavic Countries | 0 | - | 4.96 | 111,652 |
| African Island Countries | 0 | - | 4.96 | 101,620 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,076 |
| Monarchies of Europe | 0 | - | 4.90 | 98,139 |
| Monarchies of Asia | 0 | - | 4.97 | 71,084 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,874 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,184 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,883 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 127,548 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,030 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,186 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,888 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,505 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,498 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,807 |
| The Only African Country ... | 0 | - | 4.99 | 129,095 |
| The Only American Country ... | 0 | - | 4.92 | 121,595 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,119 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,961 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,652 |