| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,562 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,035 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,483 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,485 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,924 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,206 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,019 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,467 |
| US States Quiz | 0 | - | 5.00 | 16,702,640 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,594 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,850 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,879 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,962 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,290 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,396 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,768 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,667 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,898 |
| Vietnam War Countries | 0 | - | 4.83 | 93,619 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,953 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,285 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,689 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,484 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,863 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,186 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,243 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,009 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,060 |
| Pixelated United States Map | 0 | - | 4.89 | 93,493 |
| US States with an Empty Map | 0 | - | 5.00 | 618,890 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,745 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,374 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,427 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,682 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,925 |
| U.S. States By Population | 0 | - | 4.92 | 152,382 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,410 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,869 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,908 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,767 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,891 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,888 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,088 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,499 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,073 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,664 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,470 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,971 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,095 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,547 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,371 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,892 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,325 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,645 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,428 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,500 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,735 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,320 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,449 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,587 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,680 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,109 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,590 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,809 |
| Rivers of the United States | 0 | - | 4.93 | 65,523 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,941 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,927 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,728 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,597 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,731 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,961 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,878 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,665 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,605 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,078 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,556 |
| Presidential Actors | 0 | - | 4.36 | 19,067 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,360 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,977 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,196 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,310 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,384 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,481 |
| Countries of Africa | 0 | - | 5.00 | 2,508,161 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,424 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,007 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,971 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,543 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,367 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,464 |
| Asia Map Quiz | 0 | - | 4.99 | 907,114 |
| Australia Map Quiz | 0 | - | 4.94 | 342,508 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,323 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,661 |
| U.S. State Flags | 0 | - | 4.89 | 167,127 |
| Hawaiian Islands | 0 | - | 4.83 | 42,430 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,230 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,484 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,090 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,048 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,567 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,523 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,789 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,860 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,648 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,102 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,242 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,395 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,635 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,305 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,284 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,615 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,575 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,818 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,226 |
| Cities in European History #1 | 0 | - | 4.63 | 133,140 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,369 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,831 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,313 |
| Former Capitals | 0 | - | 4.88 | 71,146 |
| Europe Capital to Country | 0 | - | 4.99 | 247,932 |
| Asia Capital to Country | 0 | - | 4.96 | 125,770 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,470 |
| European Capitals by Map | 0 | - | 4.99 | 136,301 |
| African Capitals by Map | 0 | - | 4.99 | 132,190 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,150 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,203 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,626 |
| European Coastal Capitals | 0 | - | 4.95 | 89,770 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,837 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,838 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,426 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,214 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,012 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,863 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,885 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,559 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,823 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,579 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,358 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,626 |
| Countries of the Middle East | 0 | - | 4.96 | 198,945 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,274 |
| The Only European Country ... | 0 | - | 4.91 | 213,868 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,167 |
| Slavic Countries | 0 | - | 4.96 | 110,865 |
| African Island Countries | 0 | - | 4.96 | 100,799 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,556 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,214 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,500 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,743 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,755 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,360 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,755 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,283 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,165 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,803 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,722 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,502 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,127 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,637 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,721 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,773 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,159 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,170 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,295 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,584 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,284 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,427 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,259 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,001 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,292 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,241 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,477 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,809 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,207 |
| North America Map Quiz | 0 | - | 4.98 | 244,495 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,480 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,932 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,437 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,353 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,569 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,459 |
| Flags of North and South America | 0 | - | 4.99 | 367,313 |
| Australian States and Territories | 0 | - | 4.96 | 140,916 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,959 |
| Territories of the United States | 0 | - | 4.79 | 52,145 |
| Counties of England | 0 | - | 4.97 | 789,266 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,931 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,608 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,022 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,384 |
| African East Coast | 0 | - | 4.96 | 95,060 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,695 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,481 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,846 |
