| South America Capitals Quiz | 0 | - | 5.00 | 483,898 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,612 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,324 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,454 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,439 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,766 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,142 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,734 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,192 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,490 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,251 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,248 |
| States of Mexico | 0 | - | 4.96 | 177,612 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,072 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,129 |
| Name a City - European Countries | 0 | - | 4.90 | 65,952 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,159 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,398 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,357 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,514 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,252 |
| South American Cities on the Map | 0 | - | 4.52 | 35,521 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,600 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,792 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,135 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,251 |
| Europe Capital to Country | 0 | - | 4.99 | 251,585 |
| Asia Capital to Country | 0 | - | 4.96 | 127,203 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,655 |
| European Capitals by Map | 0 | - | 4.99 | 141,427 |
| African Capitals by Map | 0 | - | 4.99 | 141,463 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,610 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,644 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,988 |
| European Coastal Capitals | 0 | - | 4.95 | 91,097 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,074 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,760 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,305 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,056 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,922 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,088 |
| Official Cities in the UK | 0 | - | 4.89 | 285,476 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,907 |
| Random U.S. City to State | 0 | - | 4.45 | 76,755 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,863 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,008 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,475 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,984 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,848 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,250 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,467 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,778 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,581 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,637 |
| Belize Country Quiz | 0 | - | 4.85 | 21,058 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,285 |
| US States Quiz | 0 | - | 5.00 | 16,960,633 |
| Capitals of the Stans | 0 | - | 4.95 | 27,058 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,470 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,707 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,250 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,107 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,839 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,756 |
| Boroughs of New York City | 0 | - | 4.47 | 84,863 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,230 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,707 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,412 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,690 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,272 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,446 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,178 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,146 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,751 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,431 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,329 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,472 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,840 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,815 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,010 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,278 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,852 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,744 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,661 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,994 |
| ALL California Cities | 0 | - | 4.37 | 43,185 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,484 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,908 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,804 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,991 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,926 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,806 |
| Countries by Capital City | 0 | - | 5.00 | 69,084 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,653 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,057 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,110 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,633 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,722 |
| Moved Capital Cities | 0 | - | 4.96 | 74,524 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,951 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,744 |
| Random European Capital to Country | 0 | - | 4.98 | 191,840 |
| Random European Country to Capital | 0 | - | 4.93 | 165,667 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,879 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,271 |
| Random African Capital to Country | 0 | - | 4.97 | 101,146 |
| Random African Country to Capital | 0 | - | 4.94 | 71,617 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,988 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,257 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,236 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,528 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,870 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,904 |
| Pixelated United States Map | 0 | - | 4.88 | 94,648 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,784 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,001 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,015 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,659 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,017 |
| U.S. States By Population | 0 | - | 4.92 | 153,960 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,986 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,756 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,707 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,441 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,952 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,110 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,152 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,278 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,222 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,643 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,212 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,237 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,054 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,659 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,031 |
| Which City in Europe? | 0 | - | 4.83 | 107,760 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,967 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,122 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,785 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,312 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,799 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,275 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,912 |
| US States with an Empty Map | 0 | - | 5.00 | 627,432 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,771 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,104 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,887 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,282 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,283 |
| North American Sports Cities | 0 | - | 4.83 | 172,945 |
| American TV Show Settings | 0 | - | 4.37 | 30,688 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,497 |
| Cities in European History #1 | 0 | - | 4.63 | 134,436 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,424 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,852 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,934 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,188 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,792 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,335 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,843 |
| Cities by Former Name | 0 | - | 4.83 | 91,905 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,599 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,880 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,628 |
| World Capitals by Map | 0 | - | 5.00 | 288,597 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,675 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,346 |
| Random Country to Capital | 0 | - | 4.98 | 925,529 |
| Capitals Starting With H | 0 | - | 4.91 | 92,918 |
| Capitals Starting With K | 0 | - | 4.88 | 83,972 |
| Capitals Starting With L | 0 | - | 4.81 | 88,430 |
| Capitals Starting With M | 0 | - | 4.93 | 108,403 |
| Capitals Starting With P | 0 | - | 4.88 | 78,544 |
| Capitals Starting With R | 0 | - | 4.87 | 82,141 |
| Capitals Starting With S | 0 | - | 4.90 | 86,135 |
| Capitals Starting With T | 0 | - | 4.85 | 76,469 |
| Capitals Starting With W | 0 | - | 4.87 | 91,491 |
| Capitals Starting With A | 0 | - | 4.97 | 128,559 |
| Capitals Starting With B | 0 | - | 4.89 | 118,955 |
| Capitals Starting With D | 0 | - | 4.93 | 96,821 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,656 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,281 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,091 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,686 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,747 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,211 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,842 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,304 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,112 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,679 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,297 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,641 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,132 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,651 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,341 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,701 |
