| South America Capitals Quiz | 0 | - | 5.00 | 480,311 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,445 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,510 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,883 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,200 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,733 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,645 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,006 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,064 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,593 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,443 |
| Belize Country Quiz | 0 | - | 4.85 | 20,929 |
| Name a City - European Countries | 0 | - | 4.90 | 65,171 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,642 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,844 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,191 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,275 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,300 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,744 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,250 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,379 |
| South American Cities on the Map | 0 | - | 4.56 | 35,375 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,377 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,785 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,856 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,023 |
| Europe Capital to Country | 0 | - | 4.99 | 249,513 |
| Asia Capital to Country | 0 | - | 4.96 | 126,441 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,540 |
| European Capitals by Map | 0 | - | 4.99 | 138,492 |
| African Capitals by Map | 0 | - | 4.99 | 133,292 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,048 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,856 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,210 |
| European Coastal Capitals | 0 | - | 4.95 | 90,356 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,489 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,075 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,505 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,729 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,209 |
| Random U.S. City to State | 0 | - | 4.45 | 76,048 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,603 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,870 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,818 |
| Official Cities in the UK | 0 | - | 4.89 | 282,959 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,369 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,329 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,009 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,228 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,871 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,959 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,677 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,065 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,060 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,155 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,843 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,006 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,742 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,646 |
| Boroughs of New York City | 0 | - | 4.47 | 84,469 |
| Panama Country Quiz | 0 | - | 4.61 | 25,746 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,654 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,125 |
| US States Quiz | 0 | - | 5.00 | 16,828,102 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,549 |
| Capitals of the Stans | 0 | - | 4.95 | 26,724 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,912 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,383 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,949 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,274 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,324 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,028 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,037 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,384 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,299 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,143 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,837 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,768 |
| States of Mexico | 0 | - | 4.95 | 175,451 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,995 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,028 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,209 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,540 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,434 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,015 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,406 |
| ALL California Cities | 0 | - | 4.37 | 42,985 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,444 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,436 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,537 |
| Random European Capital to Country | 0 | - | 4.98 | 190,600 |
| Random European Country to Capital | 0 | - | 4.93 | 164,474 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,178 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,576 |
| Random African Capital to Country | 0 | - | 4.97 | 100,476 |
| Random African Country to Capital | 0 | - | 4.94 | 71,076 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,032 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,752 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,321 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,495 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,250 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,000 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,618 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,971 |
| Pixelated United States Map | 0 | - | 4.87 | 94,055 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,624 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,148 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,184 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,673 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,946 |
| U.S. States By Population | 0 | - | 4.92 | 152,987 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,169 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,305 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,112 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,095 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,447 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,819 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,908 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,218 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,246 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,921 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,561 |
| Countries by Capital City | 0 | - | 5.00 | 67,875 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,947 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,439 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,557 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,952 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,933 |
| Moved Capital Cities | 0 | - | 4.96 | 74,027 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,629 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,890 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,447 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,377 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,230 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,111 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,168 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,892 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,488 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,942 |
| Which City in Europe? | 0 | - | 4.83 | 107,143 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,118 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,428 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,502 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,509 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,276 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,317 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,517 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,381 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,832 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,588 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,095 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,334 |
| US States with an Empty Map | 0 | - | 5.00 | 623,167 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,688 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,355 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,861 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,695 |
| North American Sports Cities | 0 | - | 4.83 | 171,734 |
| American TV Show Settings | 0 | - | 4.35 | 30,632 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,230 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,226 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,721 |
| Cities by Former Name | 0 | - | 4.83 | 91,411 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,310 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,561 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,854 |
| World Capitals by Map | 0 | - | 5.00 | 285,518 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,139 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,699 |
| Random Country to Capital | 0 | - | 4.98 | 917,939 |
| Capitals Starting With H | 0 | - | 4.90 | 91,973 |
| Capitals Starting With K | 0 | - | 4.85 | 77,965 |
| Capitals Starting With L | 0 | - | 4.81 | 87,398 |
| Capitals Starting With M | 0 | - | 4.93 | 106,949 |
| Capitals Starting With P | 0 | - | 4.88 | 77,666 |
| Capitals Starting With R | 0 | - | 4.87 | 81,400 |
| Capitals Starting With S | 0 | - | 4.89 | 85,293 |
| Capitals Starting With T | 0 | - | 4.84 | 75,747 |
| Capitals Starting With W | 0 | - | 4.87 | 91,002 |
| Capitals Starting With A | 0 | - | 4.97 | 127,256 |
| Capitals Starting With B | 0 | - | 4.89 | 117,903 |
| Capitals Starting With D | 0 | - | 4.93 | 95,937 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,614 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,218 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,044 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,389 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,460 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,381 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,788 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,832 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,062 |
| Cities in European History #1 | 0 | - | 4.63 | 133,774 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,304 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,695 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,863 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,100 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,511 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,730 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,641 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,513 |
