| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,084 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,595 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,098 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,448 |
| Vietnam War Countries | 0 | - | 4.83 | 93,924 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,869 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,057 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,300 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,202 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,145 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,133 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,841 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,777 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,853 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,416 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,822 |
| US States Quiz | 0 | - | 5.00 | 16,787,329 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,857 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,690 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,529 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,389 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,047 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,104 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,292 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,194 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,604 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,981 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,229 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,947 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,194 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,070 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,016 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,486 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,449 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,384 |
| Random European Capital to Country | 0 | - | 4.98 | 190,137 |
| Random European Country to Capital | 0 | - | 4.93 | 159,289 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,900 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,984 |
| Random African Country to Capital | 0 | - | 4.94 | 70,723 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,861 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,008 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,527 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,022 |
| United States Country Quiz | 0 | - | 4.43 | 101,091 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,439 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,442 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,961 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,220 |
| Pixelated United States Map | 0 | - | 4.89 | 93,851 |
| US States with an Empty Map | 0 | - | 5.00 | 621,605 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,408 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,280 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,962 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,964 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,402 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,421 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,652 |
| U.S. States By Population | 0 | - | 4.92 | 152,827 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,938 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,192 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,232 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,566 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,006 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,309 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,578 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,399 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,899 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,344 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,004 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,177 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,661 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,505 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,215 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,812 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,233 |
| Asia Map Quiz | 0 | - | 4.99 | 911,407 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,887 |
| U.S. State Flags | 0 | - | 4.89 | 168,990 |
| Hawaiian Islands | 0 | - | 4.83 | 42,571 |
| Rivers of the United States | 0 | - | 4.93 | 65,865 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,673 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,787 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,222 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,869 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,251 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,110 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,759 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,570 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,708 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,084 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,334 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,956 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,404 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,998 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,656 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,029 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,311 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,381 |
| The Only European Country ... | 0 | - | 4.91 | 215,280 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,191 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,400 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,484 |
| Arms Exports - United States | 0 | - | 4.75 | 62,032 |
| Countries of Africa | 0 | - | 5.00 | 2,522,659 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 71,874 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,430 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,514 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,344 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,243 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,256 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,394 |
| Australia Map Quiz | 0 | - | 4.94 | 343,358 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,323 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,852 |
| African East Coast | 0 | - | 4.96 | 95,567 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,534 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,528,271 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,341 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,118 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,629 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,326 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,479 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,443 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,429 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,465 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,624 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,012 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,232 |
| Official Cities in the UK | 0 | - | 4.89 | 282,277 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,163 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,524 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,156 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,158 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,521 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,787 |
| Europe Capital to Country | 0 | - | 4.99 | 249,012 |
| Asia Capital to Country | 0 | - | 4.96 | 126,216 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,229 |
| European Capitals by Map | 0 | - | 4.99 | 137,868 |
| African Capitals by Map | 0 | - | 4.99 | 132,913 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,426 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,380 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,026 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,768 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,740 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,707 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,657 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,546 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,023 |
| European Coastal Capitals | 0 | - | 4.95 | 90,167 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,375 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,371 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,003 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,610 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,951 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,874 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,021 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,790 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,562 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,544 |
| Countries of the Middle East | 0 | - | 4.96 | 199,937 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,788 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,823 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,759 |
| Slavic Countries | 0 | - | 4.96 | 111,290 |
| African Island Countries | 0 | - | 4.96 | 101,203 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,761 |
| Monarchies of Europe | 0 | - | 4.90 | 97,731 |
| Monarchies of Asia | 0 | - | 4.97 | 70,853 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,700 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,654 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,795 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,371 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,021 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,807 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,781 |
| The Only African Country ... | 0 | - | 4.99 | 128,730 |
| The Only American Country ... | 0 | - | 4.92 | 121,205 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,944 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,290 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,193 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,275 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,420 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,550 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,741 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,935 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,720 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,764 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,613 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,868 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,494 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,465 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,980 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,541 |
| Countries That Border Russia | 0 | - | 4.98 | 460,455 |
| European Countries with One Border | 0 | - | 4.97 | 182,178 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,041 |
| Countries Bordering France | 0 | - | 4.83 | 401,251 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,088 |
