| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,230 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,619 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,214 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,861 |
| Vietnam War Countries | 0 | - | 4.83 | 93,992 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,031 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,219 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,423 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,397 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,989 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,277 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,000 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,899 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,035 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,789 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,910 |
| US States Quiz | 0 | - | 5.00 | 16,812,119 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,166 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,264 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,784 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,510 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,111 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,305 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,411 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,273 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,691 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,555 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,309 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,036 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,414 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,214 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,459 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,647 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,551 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,467 |
| Random European Capital to Country | 0 | - | 4.98 | 190,464 |
| Random European Country to Capital | 0 | - | 4.93 | 163,864 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,024 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,149 |
| Random African Country to Capital | 0 | - | 4.94 | 70,949 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,957 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,038 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,539 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,157 |
| United States Country Quiz | 0 | - | 4.43 | 101,213 |
| Europe Map Quiz | 0 | - | 5.00 | 4,751,414 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,524 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,057 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,292 |
| Pixelated United States Map | 0 | - | 4.87 | 93,981 |
| US States with an Empty Map | 0 | - | 5.00 | 622,360 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,537 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,916 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,067 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,087 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,589 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,590 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,821 |
| U.S. States By Population | 0 | - | 4.92 | 152,923 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,080 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,268 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,311 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,754 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,064 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,394 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,693 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,459 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,979 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,397 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,062 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,357 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,757 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,708 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,465 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,680 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,036 |
| Asia Map Quiz | 0 | - | 4.99 | 913,108 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,957 |
| U.S. State Flags | 0 | - | 4.89 | 169,395 |
| Hawaiian Islands | 0 | - | 4.83 | 42,613 |
| Rivers of the United States | 0 | - | 4.93 | 65,999 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,114 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,111 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,241 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,236 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,372 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,266 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,786 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,706 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,770 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,094 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,365 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,929 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,306 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,019 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,761 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,307 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,466 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,618 |
| The Only European Country ... | 0 | - | 4.91 | 215,682 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,501 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,588 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,532 |
| Arms Exports - United States | 0 | - | 4.75 | 62,183 |
| Countries of Africa | 0 | - | 5.00 | 2,526,738 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,034 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,510 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,543 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,260 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,373 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,459 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,520 |
| Australia Map Quiz | 0 | - | 4.95 | 343,588 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,703 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,560 |
| African East Coast | 0 | - | 4.96 | 95,693 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,664 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,531,497 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,383 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,175 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,095 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,681 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,805 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,006 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,532 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,574 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,683 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,128 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,301 |
| Official Cities in the UK | 0 | - | 4.89 | 282,680 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,213 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,546 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,282 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,295 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,702 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,829 |
| Europe Capital to Country | 0 | - | 4.99 | 249,321 |
| Asia Capital to Country | 0 | - | 4.96 | 126,349 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,421 |
| European Capitals by Map | 0 | - | 4.99 | 138,258 |
| African Capitals by Map | 0 | - | 4.99 | 133,084 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,997 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,754 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,150 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,922 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,828 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,877 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,772 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,621 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,138 |
| European Coastal Capitals | 0 | - | 4.95 | 90,276 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,427 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,781 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,282 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,678 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,024 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,980 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,107 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,046 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,646 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,876 |
| Countries of the Middle East | 0 | - | 4.96 | 200,543 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,886 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,950 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,851 |
| Slavic Countries | 0 | - | 4.96 | 111,395 |
| African Island Countries | 0 | - | 4.96 | 101,319 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,848 |
| Monarchies of Europe | 0 | - | 4.90 | 97,844 |
| Monarchies of Asia | 0 | - | 4.97 | 70,915 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,755 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,732 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,304 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,535 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,156 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,003 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,050 |
| The Only African Country ... | 0 | - | 4.98 | 128,843 |
| The Only American Country ... | 0 | - | 4.92 | 121,307 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,008 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,487 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,315 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,406 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,476 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,695 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,857 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,055 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,878 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,868 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,733 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,971 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,570 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,588 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,140 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,675 |
| Countries That Border Russia | 0 | - | 4.98 | 460,806 |
| European Countries with One Border | 0 | - | 4.97 | 182,365 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,199 |
| Countries Bordering France | 0 | - | 4.83 | 401,608 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,400 |
