| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,312 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,729 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,754 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,097 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,271 |
| Name a City - European Countries | 0 | - | 4.90 | 65,276 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,580 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,726 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,474 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,672 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,736 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,859 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,485 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,544 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,509 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,928 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,446 |
| Europe Capital to Country | 0 | - | 4.99 | 249,763 |
| Asia Capital to Country | 0 | - | 4.96 | 126,546 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,713 |
| European Capitals by Map | 0 | - | 4.99 | 138,814 |
| African Capitals by Map | 0 | - | 4.99 | 133,533 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,178 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,962 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,307 |
| European Coastal Capitals | 0 | - | 4.95 | 90,461 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,531 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,503 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,721 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,322 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,778 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,672 |
| World Capitals Quiz | 0 | - | 5.00 | 5,067,096 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,905 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,209 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,557 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,495 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,856 |
| Official Cities in the UK | 0 | - | 4.89 | 283,299 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,679 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,942 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,413 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,370 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,355 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,948 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,089 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,755 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,118 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,108 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,208 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,220 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,917 |
| Capitals of the Stans | 0 | - | 4.95 | 26,795 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,034 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,253 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,625 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,653 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,079 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,973 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,847 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,202 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,384 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,016 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,874 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,912 |
| South American Cities on the Map | 0 | - | 4.53 | 35,399 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,408 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,597 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,975 |
| Random European Capital to Country | 0 | - | 4.98 | 190,737 |
| Random European Country to Capital | 0 | - | 4.93 | 164,913 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,336 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,667 |
| Random African Capital to Country | 0 | - | 4.97 | 100,578 |
| Random African Country to Capital | 0 | - | 4.94 | 71,129 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,600 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,172 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,867 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,254 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,957 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,454 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,104 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,815 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,963 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,272 |
| Random U.S. City to State | 0 | - | 4.45 | 76,194 |
| Find the City #1 | 0 | - | 4.97 | 42,740 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,054 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,289 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,356 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,063 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,761 |
| Countries by Capital City | 0 | - | 5.00 | 68,045 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,044 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,531 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,897 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,972 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,036 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,893 |
| Moved Capital Cities | 0 | - | 4.96 | 74,110 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,696 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,940 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,566 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,467 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,077 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,723 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,094 |
| Which City in Europe? | 0 | - | 4.83 | 107,275 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,717 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,441 |
| Peru Country Quiz | 0 | - | 4.54 | 48,616 |
| Chile Country Quiz | 0 | - | 4.75 | 40,018 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,837 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,594 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,805 |
| North American Sports Cities | 0 | - | 4.83 | 172,224 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,283 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,303 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,742 |
| Name a Valid World City | 0 | - | 4.83 | 71,053 |
| Cities by Former Name | 0 | - | 4.83 | 91,486 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,350 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,608 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,014 |
| World Capitals by Map | 0 | - | 5.00 | 285,848 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,215 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,253 |
| Random Country to Capital | 0 | - | 4.98 | 919,248 |
| Capitals Starting With H | 0 | - | 4.91 | 92,398 |
| Capitals Starting With K | 0 | - | 4.88 | 83,016 |
| Capitals Starting With L | 0 | - | 4.81 | 87,916 |
| Capitals Starting With M | 0 | - | 4.93 | 107,569 |
| Capitals Starting With P | 0 | - | 4.88 | 78,053 |
| Capitals Starting With R | 0 | - | 4.87 | 81,692 |
| Capitals Starting With S | 0 | - | 4.90 | 85,638 |
| Capitals Starting With T | 0 | - | 4.85 | 76,049 |
| Capitals Starting With W | 0 | - | 4.87 | 91,210 |
| Capitals Starting With A | 0 | - | 4.97 | 127,704 |
| Capitals Starting With B | 0 | - | 4.89 | 118,306 |
| Capitals Starting With D | 0 | - | 4.93 | 96,285 |
| Cities in European History #1 | 0 | - | 4.62 | 133,880 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,327 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,727 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,874 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,382 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,108 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,730 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,052 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,752 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,165 |
| Which City in Latin America? | 0 | - | 4.63 | 47,004 |
| Which City in Canada? | 0 | - | 4.82 | 57,005 |
| Boroughs of New York City | 0 | - | 4.47 | 84,530 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,004 |
| Which South American Country? | 0 | - | 4.69 | 51,916 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,462 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,417 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,462 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,709 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,683 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,401 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,569 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,528 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,441 |
| North America Cities by Map | 0 | - | 4.41 | 47,778 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,856 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,784 |
| ALL California Cities | 0 | - | 4.37 | 43,012 |
| Random European City to Country | 0 | - | 4.69 | 117,529 |
| Random Asian City to Country | 0 | - | 4.56 | 44,473 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,766 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,728 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,058 |
| Former Capitals | 0 | - | 4.88 | 71,405 |
| Capital Cities Chain | 0 | - | 4.83 | 82,596 |
| Coldest World Capitals | 0 | - | 4.95 | 133,509 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,458 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,765 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,861 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,910 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,511 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,957 |
| US States and State Capitals | 0 | - | 4.99 | 161,709 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,741 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,941 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,007 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,781 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,542 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,695 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,631 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,654 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,147 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,719 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,376 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,231 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,331 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,832 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,659 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,128 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,294 |
