| Europe Capital to Country | 0 | - | 4.99 | 247,375 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,351 |
| European Capitals by Map | 0 | - | 4.99 | 136,063 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,101 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,552 |
| European Coastal Capitals | 0 | - | 4.95 | 89,683 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,635 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,359 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,046 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,661 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,724 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,701 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,162 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,736 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,627 |
| Asia Capital to Country | 0 | - | 4.96 | 125,669 |
| African Capitals by Map | 0 | - | 4.99 | 132,090 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,025 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,159 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,505 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,163 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,977 |
| Random European Capital to Country | 0 | - | 4.98 | 189,108 |
| Random European Country to Capital | 0 | - | 4.92 | 147,369 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,378 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,969 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,786 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,766 |
| Official Cities in the UK | 0 | - | 4.89 | 280,304 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,648 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,580 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,109 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,394 |
| Capitals of the Stans | 0 | - | 4.95 | 26,380 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,127 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,756 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,331 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,293 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,353 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,306 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,346 |
| Random African Capital to Country | 0 | - | 4.97 | 99,690 |
| Random African Country to Capital | 0 | - | 4.94 | 70,166 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,053 |
| Name a City - European Countries | 0 | - | 4.92 | 64,303 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,135 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,724 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,221 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,587 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,462 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,840 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,832 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,282 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,703 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,748 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,253 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,489 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,791 |
| Cities in European History #1 | 0 | - | 4.63 | 133,025 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,910 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,187 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,124 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,272 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,172 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,636 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,738 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,184 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,701 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,313 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,162 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,593 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,812 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,200 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,126 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,689 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,777 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,052 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,657 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,637 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,771 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,981 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,861 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,599 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,550 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,518 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,286 |
| Countries by Capital City | 0 | - | 5.00 | 66,524 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,260 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,845 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,119 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,362 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,025 |
| Moved Capital Cities | 0 | - | 4.96 | 73,543 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,800 |
| Which City in Europe? | 0 | - | 4.83 | 106,573 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,392 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,723 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,196 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,927 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,934 |
| British Places A-Z | 0 | - | 4.29 | 79,583 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,807 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,774 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,779 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,947 |
| Random Country to Capital | 0 | - | 4.98 | 910,933 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,481 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,889 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,636 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,496 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,639 |
| Boroughs of London | 0 | - | 4.63 | 86,993 |
| London Geography | 0 | - | 4.47 | 59,436 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,451 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,719 |
| North American Sports Cities | 0 | - | 4.83 | 170,803 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,898 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,182 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,548 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,794 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,005 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,668 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,141 |
| Name a Valid World City | 0 | - | 4.83 | 70,040 |
| Cities by Former Name | 0 | - | 4.84 | 90,898 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,354 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,658 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,210 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,770 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,838 |
| World Capitals by Map | 0 | - | 5.00 | 282,978 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,617 |
| Capitals Starting With H | 0 | - | 4.90 | 90,160 |
| Capitals Starting With K | 0 | - | 4.85 | 75,611 |
| Capitals Starting With L | 0 | - | 4.81 | 86,739 |
| Capitals Starting With M | 0 | - | 4.93 | 105,929 |
| Capitals Starting With P | 0 | - | 4.88 | 77,106 |
| Capitals Starting With R | 0 | - | 4.87 | 80,898 |
| Capitals Starting With S | 0 | - | 4.89 | 84,720 |
| Capitals Starting With T | 0 | - | 4.84 | 75,224 |
| Capitals Starting With W | 0 | - | 4.89 | 90,541 |
| Capitals Starting With A | 0 | - | 4.97 | 126,428 |
| Capitals Starting With B | 0 | - | 4.89 | 117,188 |
| Capitals Starting With D | 0 | - | 4.93 | 95,276 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,901 |
| Which City in Canada? | 0 | - | 4.82 | 56,629 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,328 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,454 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,766 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,452 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,282 |
| North America Cities by Map | 0 | - | 4.41 | 47,600 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,129 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,962 |
| Random European City to Country | 0 | - | 4.69 | 116,256 |
| Random Asian City to Country | 0 | - | 4.56 | 44,380 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,573 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,289 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,034 |
| Former Capitals | 0 | - | 4.88 | 71,105 |
| Capital Cities Chain | 0 | - | 4.84 | 81,853 |
| Coldest World Capitals | 0 | - | 4.95 | 133,009 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,724 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,916 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,576 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,014 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,778 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,313 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,836 |
| US States and State Capitals | 0 | - | 4.99 | 158,227 |
| Which City in Germany? | 0 | - | 4.50 | 134,922 |
| Which City in Italy? | 0 | - | 4.55 | 78,127 |
| Which City in France? | 0 | - | 4.64 | 72,369 |
| Which City in Spain? | 0 | - | 4.50 | 49,417 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,228 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,997 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,877 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,741 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,932 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,784 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,340 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,715 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,690 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 33,824 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,138 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,075 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,551 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,012 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,685 |
| South American Cities on the Map | 0 | - | 4.57 | 35,237 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,575 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,634 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,563 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,067 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,165 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,777 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,447 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,061 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,809 |
