| Europe Capital to Country | 0 | - | 4.99 | 249,844 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,745 |
| European Capitals by Map | 0 | - | 4.99 | 138,891 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,987 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,329 |
| European Coastal Capitals | 0 | - | 4.95 | 90,493 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,774 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,616 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,964 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,141 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,137 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,236 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,820 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,008 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,069 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,346 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,237 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,112 |
| Asia Capital to Country | 0 | - | 4.96 | 126,567 |
| African Capitals by Map | 0 | - | 4.99 | 133,595 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,219 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,545 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,594 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,483 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,789 |
| Random European Capital to Country | 0 | - | 4.98 | 190,771 |
| Random European Country to Capital | 0 | - | 4.93 | 164,948 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,121 |
| Official Cities in the UK | 0 | - | 4.89 | 283,385 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,966 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,437 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,379 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,245 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,598 |
| Capitals of the Stans | 0 | - | 4.95 | 26,806 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,017 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,826 |
| Name a City - European Countries | 0 | - | 4.90 | 65,300 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,355 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,365 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,683 |
| Random African Capital to Country | 0 | - | 4.97 | 100,646 |
| Random African Country to Capital | 0 | - | 4.94 | 71,165 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,508 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,491 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,553 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,979 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,277 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,979 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,328 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,117 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,710 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,954 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,905 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,086 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,106 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,399 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,982 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,268 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,692 |
| Cities in European History #1 | 0 | - | 4.62 | 133,908 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,934 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,432 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,948 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,458 |
| Boroughs of London | 0 | - | 4.63 | 87,802 |
| London Geography | 0 | - | 4.47 | 59,650 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,385 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,607 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,409 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,937 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,182 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,669 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,687 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,898 |
| UK Immigration by Country | 0 | - | 4.94 | 140,793 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,874 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,645 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,616 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,450 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,994 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,413 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,795 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,112 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,314 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,392 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,108 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,836 |
| Countries by Capital City | 0 | - | 5.00 | 68,100 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,086 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,568 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,999 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,075 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,166 |
| Moved Capital Cities | 0 | - | 4.96 | 74,125 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,966 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,603 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,496 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,988 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,984 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,134 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,027 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,612 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,143 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,894 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,742 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,897 |
| Which City in Europe? | 0 | - | 4.83 | 107,316 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,295 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,652 |
| North American Sports Cities | 0 | - | 4.83 | 172,261 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,289 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,334 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,732 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,876 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,836 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,113 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,317 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,751 |
| Name a Valid World City | 0 | - | 4.83 | 71,085 |
| Cities by Former Name | 0 | - | 4.83 | 91,509 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,358 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,621 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,057 |
| World Capitals by Map | 0 | - | 5.00 | 286,014 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,231 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,666 |
| Random Country to Capital | 0 | - | 4.98 | 919,495 |
| Capitals Starting With H | 0 | - | 4.91 | 92,450 |
| Capitals Starting With K | 0 | - | 4.88 | 83,193 |
| Capitals Starting With L | 0 | - | 4.81 | 87,968 |
| Capitals Starting With M | 0 | - | 4.93 | 107,630 |
| Capitals Starting With P | 0 | - | 4.88 | 78,098 |
| Capitals Starting With R | 0 | - | 4.87 | 81,733 |
| Capitals Starting With S | 0 | - | 4.90 | 85,674 |
| Capitals Starting With T | 0 | - | 4.85 | 76,083 |
| Capitals Starting With W | 0 | - | 4.87 | 91,231 |
| Capitals Starting With A | 0 | - | 4.97 | 127,758 |
| Capitals Starting With B | 0 | - | 4.89 | 118,351 |
| Capitals Starting With D | 0 | - | 4.93 | 96,321 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,926 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,024 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,759 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,667 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,817 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,535 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,884 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,845 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,801 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,743 |
| Former Capitals | 0 | - | 4.88 | 71,417 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,638 |
| Capital Cities Chain | 0 | - | 4.83 | 82,642 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,375 |
| Coldest World Capitals | 0 | - | 4.95 | 133,520 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,478 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,798 |
| Which City in Canada? | 0 | - | 4.82 | 57,024 |
| City of Liverpool Quiz | 0 | - | 4.38 | 12,657 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,997 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,202 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,233 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,349 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,838 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,131 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,570 |
| North America Cities by Map | 0 | - | 4.41 | 47,786 |
| Random European City to Country | 0 | - | 4.69 | 117,579 |
| Random Asian City to Country | 0 | - | 4.56 | 44,480 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,090 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,725 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,213 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,058 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,912 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,518 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,961 |
| US States and State Capitals | 0 | - | 4.99 | 161,812 |
| Geography of Rome | 0 | - | 4.51 | 16,661 |
| Paris City Trivia | 0 | - | 4.31 | 35,534 |
| Venice Trivia | 0 | - | 4.45 | 10,457 |
| Milan Trivia | 0 | - | 4.56 | 15,167 |
| Berlin City Trivia | 0 | - | 4.67 | 13,200 |
| Amsterdam Trivia | 0 | - | 4.46 | 15,812 |
| Rome City Trivia | 0 | - | 4.49 | 20,660 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,701 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,180 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,743 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,387 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,301 |
| South American Cities on the Map | 0 | - | 4.53 | 35,403 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,692 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,499 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,898 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,705 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,059 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,958 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,494 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,946 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,637 |
