| Confederate States of the U.S. Civil War | 0 | - | 4.90 | 129,089 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,290 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,113 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,919 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,173 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,568 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,114 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,342 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,311 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,486 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,504 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,397 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,349 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,086 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,959 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,034 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,520 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,960 |
| US States Quiz | 0 | - | 5.00 | 16,826,841 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,731 |
| U.S. Senators by State | 0 | - | 4.45 | 39,900 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,363 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,454 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,977 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,593 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,318 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,434 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,501 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,057 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,312 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,765 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,942 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,344 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,538 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,281 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,297 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,722 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,723 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,640 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,382 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,533 |
| Random European Capital to Country | 0 | - | 4.98 | 190,591 |
| Random European Country to Capital | 0 | - | 4.93 | 164,419 |
| Random African Capital to Country | 0 | - | 4.97 | 100,468 |
| Random African Country to Capital | 0 | - | 4.94 | 71,070 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,002 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,060 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,548 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,237 |
| Countries of the German Empire | 0 | - | 4.51 | 37,860 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,544 |
| United States Country Quiz | 0 | - | 4.43 | 101,285 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,608 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,582 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,092 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,333 |
| Pixelated United States Map | 0 | - | 4.87 | 94,052 |
| US States with an Empty Map | 0 | - | 5.00 | 623,124 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,620 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,322 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,140 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,180 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,681 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,670 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,926 |
| U.S. States By Population | 0 | - | 4.92 | 152,982 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,167 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,303 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,366 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,854 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,094 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,443 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,749 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,491 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,032 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,414 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,097 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,577 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,799 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,220 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,807 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,344 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,350 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,325 |
| Asia Map Quiz | 0 | - | 4.99 | 914,197 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,995 |
| U.S. State Flags | 0 | - | 4.89 | 169,653 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,212 |
| Hawaiian Islands | 0 | - | 4.83 | 42,643 |
| Rivers of the United States | 0 | - | 4.93 | 66,061 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,421 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,275 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,263 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,381 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 625,008 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,456 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,373 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,815 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,781 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,832 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,776 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,382 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,548 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,802 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,030 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,816 |
| US States and State Capitals | 0 | - | 4.99 | 161,161 |
| New York City A-Z | 0 | - | 4.18 | 32,273 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,473 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,150 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,570 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,778 |
| The Only European Country ... | 0 | - | 4.91 | 215,912 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,674 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,722 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,566 |
| Arms Exports - United States | 0 | - | 4.75 | 62,242 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,000 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,214 |
| Random Asian Countries on a Map | 0 | - | 4.90 | 169,686 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,262 |
| Countries of Africa | 0 | - | 5.00 | 2,529,155 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,084 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,540 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,572 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,662 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,435 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,590 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,592 |
| Australia Map Quiz | 0 | - | 4.95 | 343,769 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,887 |
| African East Coast | 0 | - | 4.96 | 95,782 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,029 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,414 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,205 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,382 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,278 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,805 |
| California A-Z | 0 | - | 4.49 | 28,772 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,612 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,472 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,215 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,656 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,752 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,197 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,579 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,330 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,866 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,612 |
| Official Cities in the UK | 0 | - | 4.89 | 282,927 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,241 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,555 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,365 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,369 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,775 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,855 |
| Europe Capital to Country | 0 | - | 4.99 | 249,484 |
| Asia Capital to Country | 0 | - | 4.96 | 126,427 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,528 |
| European Capitals by Map | 0 | - | 4.99 | 138,467 |
| African Capitals by Map | 0 | - | 4.99 | 133,265 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,293 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,973 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,217 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,032 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,866 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,954 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,848 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,673 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,205 |
| European Coastal Capitals | 0 | - | 4.95 | 90,349 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,485 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,021 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,489 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,721 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,059 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,153 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,879 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,703 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,101 |
| Countries of the Middle East | 0 | - | 4.96 | 200,689 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,970 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,012 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,906 |
| Slavic Countries | 0 | - | 4.96 | 111,463 |
| African Island Countries | 0 | - | 4.96 | 101,396 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,913 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,011 |
| Monarchies of Europe | 0 | - | 4.90 | 97,926 |
| Monarchies of Asia | 0 | - | 4.97 | 70,961 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,780 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,748 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,762 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,815 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,189 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,621 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,241 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,120 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,240 |
| The Only African Country ... | 0 | - | 4.98 | 128,903 |
