| Europe Capital to Country | 0 | - | 4.99 | 249,829 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,739 |
| European Capitals by Map | 0 | - | 4.99 | 138,881 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,982 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,328 |
| European Coastal Capitals | 0 | - | 4.95 | 90,484 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,766 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,614 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,962 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,135 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,135 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,234 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,753 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,935 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,062 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,326 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,233 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,111 |
| Asia Capital to Country | 0 | - | 4.96 | 126,565 |
| African Capitals by Map | 0 | - | 4.99 | 133,579 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,209 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,542 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,558 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,482 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,788 |
| Random European Capital to Country | 0 | - | 4.98 | 190,763 |
| Random European Country to Capital | 0 | - | 4.93 | 164,941 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,121 |
| Official Cities in the UK | 0 | - | 4.89 | 283,380 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,936 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,418 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,377 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,242 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,589 |
| Capitals of the Stans | 0 | - | 4.95 | 26,805 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,011 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,824 |
| Name a City - European Countries | 0 | - | 4.90 | 65,295 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,343 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,363 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,681 |
| Random African Capital to Country | 0 | - | 4.97 | 100,645 |
| Random African Country to Capital | 0 | - | 4.94 | 71,164 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,487 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,490 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,542 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,974 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,275 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,977 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,327 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,116 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,708 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,954 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,900 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,086 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,103 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,148 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,969 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,261 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,680 |
| Cities in European History #1 | 0 | - | 4.62 | 133,901 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,934 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,428 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,937 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,443 |
| Boroughs of London | 0 | - | 4.63 | 87,799 |
| London Geography | 0 | - | 4.47 | 59,649 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,384 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,523 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,409 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,936 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,177 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,656 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,679 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,898 |
| UK Immigration by Country | 0 | - | 4.94 | 140,789 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,871 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,639 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,612 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,432 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,989 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,413 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,794 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,103 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,310 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,381 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,102 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,822 |
| Countries by Capital City | 0 | - | 5.00 | 68,091 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,080 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,566 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,983 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,069 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,166 |
| Moved Capital Cities | 0 | - | 4.96 | 74,122 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,964 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,602 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,493 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,984 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,982 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,131 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,022 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,607 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,038 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,884 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,737 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,897 |
| Which City in Europe? | 0 | - | 4.83 | 107,310 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,287 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,641 |
| North American Sports Cities | 0 | - | 4.83 | 172,251 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,288 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,334 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,731 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,875 |
| 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 | 102,316 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,750 |
| Name a Valid World City | 0 | - | 4.83 | 71,079 |
| Cities by Former Name | 0 | - | 4.83 | 91,504 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,357 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,615 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,052 |
| World Capitals by Map | 0 | - | 5.00 | 285,994 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,229 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,575 |
| Random Country to Capital | 0 | - | 4.98 | 919,464 |
| Capitals Starting With H | 0 | - | 4.91 | 92,441 |
| Capitals Starting With K | 0 | - | 4.88 | 83,165 |
| Capitals Starting With L | 0 | - | 4.81 | 87,957 |
| Capitals Starting With M | 0 | - | 4.93 | 107,612 |
| Capitals Starting With P | 0 | - | 4.88 | 78,088 |
| Capitals Starting With R | 0 | - | 4.87 | 81,722 |
| Capitals Starting With S | 0 | - | 4.90 | 85,662 |
| Capitals Starting With T | 0 | - | 4.85 | 76,071 |
| Capitals Starting With W | 0 | - | 4.87 | 91,226 |
| Capitals Starting With A | 0 | - | 4.97 | 127,747 |
| Capitals Starting With B | 0 | - | 4.89 | 118,342 |
| Capitals Starting With D | 0 | - | 4.93 | 96,314 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,923 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,024 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,758 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,667 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,812 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,533 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,880 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,832 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,793 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,741 |
| Former Capitals | 0 | - | 4.88 | 71,416 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,636 |
| Capital Cities Chain | 0 | - | 4.83 | 82,632 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,374 |
| Coldest World Capitals | 0 | - | 4.95 | 133,518 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,474 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,792 |
| Which City in Canada? | 0 | - | 4.82 | 57,020 |
| City of Liverpool Quiz | 0 | - | 4.38 | 12,657 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,978 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,189 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,232 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,347 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,837 |
| 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 | 47,785 |
| Random European City to Country | 0 | - | 4.69 | 117,565 |
| Random Asian City to Country | 0 | - | 4.56 | 44,480 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,082 |
| 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 | 32,057 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,912 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,517 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,960 |
| US States and State Capitals | 0 | - | 4.99 | 161,791 |
| Geography of Rome | 0 | - | 4.51 | 16,660 |
| Paris City Trivia | 0 | - | 4.31 | 35,534 |
| Venice Trivia | 0 | - | 4.45 | 10,456 |
| Milan Trivia | 0 | - | 4.56 | 15,167 |
| Berlin City Trivia | 0 | - | 4.67 | 13,199 |
| Amsterdam Trivia | 0 | - | 4.46 | 15,811 |
| Rome City Trivia | 0 | - | 4.49 | 20,660 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,696 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,173 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,736 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,385 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,299 |
| South American Cities on the Map | 0 | - | 4.53 | 35,403 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,691 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,493 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,897 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,700 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,056 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,955 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,492 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,946 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,636 |
