| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,684 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,701 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,026 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,300 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,911 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,748 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,004 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,093 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,108 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,257 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,986 |
| Random U.S. City to State | 0 | - | 4.45 | 76,212 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,878 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,085 |
| Name a City - European Countries | 0 | - | 4.90 | 65,306 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,361 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,484 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,249 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,303 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,566 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,516 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,987 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,900 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,063 |
| Europe Capital to Country | 0 | - | 4.99 | 249,866 |
| Asia Capital to Country | 0 | - | 4.96 | 126,575 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,756 |
| European Capitals by Map | 0 | - | 4.99 | 138,921 |
| African Capitals by Map | 0 | - | 4.99 | 133,618 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,245 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,995 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,338 |
| European Coastal Capitals | 0 | - | 4.95 | 90,508 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,547 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,615 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,792 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,795 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,711 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,955 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,605 |
| Which City in Europe? | 0 | - | 4.83 | 107,334 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,911 |
| Countries that Beat Canada | 0 | - | 4.90 | 94,069 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,458 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,876 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,700 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,864 |
| Official Cities in the UK | 0 | - | 4.89 | 283,425 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,288 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,437 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,691 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,453 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,397 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,968 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,159 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,781 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,139 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,261 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,240 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,519 |
| US States Quiz | 0 | - | 5.00 | 16,856,875 |
| Capitals of the Stans | 0 | - | 4.95 | 26,810 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,388 |
| Random European City to Country | 0 | - | 4.69 | 117,593 |
| Random Asian City to Country | 0 | - | 4.56 | 44,482 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,775 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,930 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,024 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,760 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,669 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,946 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,191 |
| Which City in Canada? | 0 | - | 4.82 | 57,030 |
| Boroughs of New York City | 0 | - | 4.47 | 84,553 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,847 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,078 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,411 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,380 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,751 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,379 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,117 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,061 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,393 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,514 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,668 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,645 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,881 |
| States of Mexico | 0 | - | 4.95 | 175,809 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,586 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,167 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,174 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,327 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,702 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,687 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,136 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,575 |
| South American Cities on the Map | 0 | - | 4.53 | 35,406 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,006 |
| ALL California Cities | 0 | - | 4.37 | 43,019 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,736 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,446 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,124 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,325 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,402 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,117 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,854 |
| Countries by Capital City | 0 | - | 5.00 | 68,115 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,090 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,574 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,034 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,085 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,485 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,124 |
| Moved Capital Cities | 0 | - | 4.96 | 74,130 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,618 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,610 |
| Random European Capital to Country | 0 | - | 4.98 | 190,775 |
| Random European Country to Capital | 0 | - | 4.93 | 164,978 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,371 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,693 |
| Random African Capital to Country | 0 | - | 4.97 | 100,652 |
| Random African Country to Capital | 0 | - | 4.94 | 71,169 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,991 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,998 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,539 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,663 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,334 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,228 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,483 |
| Pixelated United States Map | 0 | - | 4.87 | 94,184 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,770 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,304 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,334 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,865 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,138 |
| U.S. States By Population | 0 | - | 4.92 | 153,479 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,342 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,393 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,234 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,171 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,559 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,489 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,938 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,981 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,359 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,141 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,183 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,913 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,963 |
| European Cities by Clue | 0 | - | 4.70 | 89,040 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,313 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,683 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,143 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,422 |
| US States with an Empty Map | 0 | - | 5.00 | 624,005 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,909 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,510 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,071 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,741 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,829 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,104 |
| North American Sports Cities | 0 | - | 4.83 | 172,271 |
| American TV Show Settings | 0 | - | 4.35 | 30,641 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,291 |
| Cities in European History #1 | 0 | - | 4.62 | 133,915 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,335 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,733 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,879 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,114 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,321 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,753 |
| Cities by Former Name | 0 | - | 4.83 | 91,512 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,364 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,623 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,075 |
| World Capitals by Map | 0 | - | 5.00 | 286,052 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,239 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,841 |
| Random Country to Capital | 0 | - | 4.98 | 919,605 |
| Capitals Starting With H | 0 | - | 4.91 | 92,458 |
| Capitals Starting With K | 0 | - | 4.88 | 83,242 |
| Capitals Starting With L | 0 | - | 4.81 | 87,980 |
| Capitals Starting With M | 0 | - | 4.93 | 107,649 |
| Capitals Starting With P | 0 | - | 4.88 | 78,113 |
| Capitals Starting With R | 0 | - | 4.87 | 81,747 |
| Capitals Starting With S | 0 | - | 4.90 | 85,687 |
| Capitals Starting With T | 0 | - | 4.85 | 76,095 |
| Capitals Starting With W | 0 | - | 4.87 | 91,238 |
| Capitals Starting With A | 0 | - | 4.97 | 127,776 |
| Capitals Starting With B | 0 | - | 4.89 | 118,359 |
| Capitals Starting With D | 0 | - | 4.93 | 96,332 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,620 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,232 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,059 |
| Which City in Africa? | 0 | - | 4.77 | 57,796 |
| Which City in Asia? | 0 | - | 4.52 | 51,355 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,586 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,543 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,917 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,868 |
