| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,991 |
| South America Capitals Quiz | 0 | - | 5.00 | 420,255 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,906 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 73,715 |
| Belize Country Quiz | 0 | - | 4.88 | 18,789 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 80,528 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,530,629 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,481 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,598 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,886 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,121 |
| South American Cities on the Map | 0 | - | 4.55 | 33,180 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,606 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 126,041 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 93,790 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,732 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,519 |
| Africa Capitals Quiz | 0 | - | 4.99 | 635,858 |
| Asia Capitals Quiz | 0 | - | 4.98 | 595,350 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 116,259 |
| Pixelated United States Map | 0 | - | 4.90 | 82,359 |
| US States with an Empty Map | 0 | - | 5.00 | 555,104 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 173,050 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 150,116 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 137,265 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 274,765 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 56,758 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 130,693 |
| Random U.S. City to State | 0 | - | 4.44 | 65,812 |
| Europe Capital to Country | 0 | - | 4.99 | 220,274 |
| Asia Capital to Country | 0 | - | 4.96 | 105,812 |
| EU Capitals with No Hints | 0 | - | 4.96 | 125,010 |
| European Capitals by Map | 0 | - | 4.99 | 93,978 |
| African Capitals by Map | 0 | - | 4.99 | 110,986 |
| Asian Capitals by Map | 0 | - | 4.98 | 47,269 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 79,070 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 72,214 |
| European Coastal Capitals | 0 | - | 4.95 | 77,302 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 46,640 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 228,741 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 194,102 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,134 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 88,971 |
| Official Cities in the UK | 0 | - | 4.86 | 232,709 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,503 |
| European Cities by Map #1 | 0 | - | 4.65 | 51,865 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,958 |
| Cities in Squares on a Map - Europe | 0 | - | 4.72 | 46,088 |
| World Capitals Quiz | 0 | - | 5.00 | 4,505,528 |
| North America Capitals Quiz | 0 | - | 4.99 | 186,381 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 52,300 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,352 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 105,431 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,054 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 66,973 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 51,358 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,035 |
| US States Quiz | 0 | - | 5.00 | 14,772,535 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,894 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,619 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,441 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 234,746 |
| Random World Capitals on a Map | 0 | - | 4.92 | 114,253 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 80,010 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 61,761 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 106,321 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,154 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,605 |
| Boroughs of New York City | 0 | - | 4.44 | 77,220 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,893 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,418 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,650 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,895 |
| States of Mexico | 0 | - | 4.95 | 141,713 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 40,147 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 340,472 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,464 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,640 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,509 |
| UK Cities and Towns by Map | 0 | - | 4.56 | 43,862 |
| ALL California Cities | 0 | - | 4.35 | 39,175 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,638 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,525 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,777 |
| Random European Capital to Country | 0 | - | 4.97 | 153,010 |
| Random European Country to Capital | 0 | - | 4.92 | 135,169 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,764 |
| Random Asian Capital to Country | 0 | - | 4.97 | 89,341 |
| Random African Country to Capital | 0 | - | 4.94 | 61,954 |
| U.S. State Capital Etymology | 0 | - | 4.51 | 34,495 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.72 | 32,361 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 93,551 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,859 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,657 |
| Colombia Country Quiz | 0 | - | 4.92 | 35,110 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,700 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,331 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,365 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,917 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,640 |
| U.S. States By Population | 0 | - | 4.90 | 130,091 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,693 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,111 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,431 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,199 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,559 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 24,958 |
| Northernmost Capital Cities | 0 | - | 4.98 | 94,165 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,822 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,475 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,992 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,744 |
| Countries by Capital City | 0 | - | 4.99 | 49,589 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,027 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,178 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,161 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,090 |
| Moved Capital Cities | 0 | - | 4.94 | 52,345 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,191 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 45,116 |
| Random European Capitals on a Map | 0 | - | 4.97 | 107,037 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 120,499 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,226 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,254 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,079 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,152 |
| Which City in Europe? | 0 | - | 4.84 | 97,497 |
| Canada or Africa by Area | 0 | - | 4.81 | 13,681 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,631 |
| Countries Bordering Brazil | 0 | - | 4.96 | 123,921 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 45,310 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,956 |
| Nicaragua Country Quiz | 0 | - | 4.61 | 23,940 |
| Panama Country Quiz | 0 | - | 4.60 | 23,327 |
| Guatemala Country Quiz | 0 | - | 4.61 | 22,712 |
| Honduras Country Quiz | 0 | - | 4.51 | 21,308 |
| Costa Rica Country Quiz | 0 | - | 4.76 | 28,872 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,631 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,062 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,954 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,298 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 71,426 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,316 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,251 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,036 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 372,015 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,236 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,678 |
| Random Capital to Country | 0 | - | 4.99 | 2,364,601 |
| Random Country to Capital | 0 | - | 4.98 | 803,958 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,660 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,064 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,268 |
| Mexico Country Quiz | 0 | - | 4.48 | 66,544 |
| Cuba Country Quiz | 0 | - | 4.70 | 47,179 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,170 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,043 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 185,038 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 100,362 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,868 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,410 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,153 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,105 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 515,101 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,174 |
| Important Cities in European History | 0 | - | 4.55 | 109,884 |
| U.S. Cities Chain | 0 | - | 4.04 | 18,420 |
| Mediterranean Cities by Map | 0 | - | 4.48 | 49,194 |
| California Cities starting with SAN or SANTA | 0 | - | 4.24 | 11,013 |
| Word Scramble - U.S. Cities | 0 | - | 4.07 | 18,478 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,411 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,613 |
| Cities by Former Name | 0 | - | 4.86 | 71,494 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,630 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,593 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,507 |
| World Capitals by Proximity | 0 | - | 4.88 | 299,863 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,888 |
| World Capitals by Map | 0 | - | 5.00 | 242,488 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,374 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,350 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,011 |
| World Capitals By Letter - M | 0 | - | 4.90 | 86,094 |
| World Capitals By Letter - P | 0 | - | 4.86 | 67,180 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,376 |
| World Capitals By Letter - S | 0 | - | 4.89 | 74,640 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,527 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,315 |
| World Capitals By Letter - A | 0 | - | 4.96 | 104,819 |
| World Capitals By Letter - B | 0 | - | 4.84 | 97,027 |
| World Capitals By Letter - D | 0 | - | 4.91 | 79,270 |
| Random State Capital to U.S. State | 0 | - | 4.86 | 74,849 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 74,813 |
| Which City in Latin America? | 0 | - | 4.57 | 38,474 |
| Which City in Canada? | 0 | - | 4.89 | 45,272 |
| South America Map Quiz | 0 | - | 5.00 | 1,422,988 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,758 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,437 |
| Megacities on a World Map | 0 | - | 4.98 | 221,060 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,584 |
