| Europe Capital to Country | 0 | - | 4.99 | 247,948 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,484 |
| European Capitals by Map | 0 | - | 4.99 | 136,311 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,210 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,631 |
| European Coastal Capitals | 0 | - | 4.95 | 89,784 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,870 |
| Random European Capital to Country | 0 | - | 4.98 | 189,245 |
| Random European Country to Capital | 0 | - | 4.92 | 147,474 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,422 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,141 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,717 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,783 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,391 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,004 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,882 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,676 |
| Asia Capital to Country | 0 | - | 4.96 | 125,772 |
| African Capitals by Map | 0 | - | 4.99 | 132,192 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,153 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,193 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,852 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,430 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,086 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,416 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,431 |
| Random African Capital to Country | 0 | - | 4.97 | 99,743 |
| Random African Country to Capital | 0 | - | 4.94 | 70,240 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,443 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,331 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,833 |
| Official Cities in the UK | 0 | - | 4.89 | 280,593 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,927 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,681 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,191 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,464 |
| Capitals of the Stans | 0 | - | 4.95 | 26,413 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,220 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,979 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,409 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,396 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,466 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,125 |
| Name a City - European Countries | 0 | - | 4.92 | 64,418 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,358 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,805 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,157 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,775 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,275 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,638 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,550 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,893 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,122 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,373 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,844 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,939 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,382 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,992 |
| Cities in European History #1 | 0 | - | 4.63 | 133,145 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,078 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,305 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,201 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,279 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,399 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,769 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,809 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,247 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,324 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,188 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,649 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,297 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,248 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,234 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,803 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,837 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,317 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,475 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,786 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,782 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,974 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,099 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,964 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,662 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,613 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,646 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,471 |
| Countries by Capital City | 0 | - | 5.00 | 66,676 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,343 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,913 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,453 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,419 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,033 |
| Moved Capital Cities | 0 | - | 4.96 | 73,595 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,817 |
| Which City in Europe? | 0 | - | 4.83 | 106,662 |
| Monty Python Quotes | 0 | - | 4.88 | 42,325 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,331 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,946 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,962 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,041 |
| British Places A-Z | 0 | - | 4.29 | 79,611 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,817 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,779 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,784 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,137 |
| Random Country to Capital | 0 | - | 4.98 | 911,699 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,521 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,914 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,659 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,528 |
| Boroughs of London | 0 | - | 4.63 | 87,065 |
| London Geography | 0 | - | 4.47 | 59,465 |
| Random European Flag to Country | 0 | - | 4.89 | 180,930 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,522 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,792 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,506 |
| North American Sports Cities | 0 | - | 4.83 | 170,920 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,921 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,199 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,569 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,807 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,018 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,745 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,193 |
| Name a Valid World City | 0 | - | 4.83 | 70,142 |
| Cities by Former Name | 0 | - | 4.84 | 90,984 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,370 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,694 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,249 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,848 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,962 |
| World Capitals by Map | 0 | - | 5.00 | 283,250 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,683 |
| Capitals Starting With H | 0 | - | 4.90 | 91,050 |
| Capitals Starting With K | 0 | - | 4.85 | 75,703 |
| Capitals Starting With L | 0 | - | 4.81 | 86,856 |
| Capitals Starting With M | 0 | - | 4.93 | 106,087 |
| Capitals Starting With P | 0 | - | 4.88 | 77,209 |
| Capitals Starting With R | 0 | - | 4.87 | 80,988 |
| Capitals Starting With S | 0 | - | 4.89 | 84,825 |
| Capitals Starting With T | 0 | - | 4.84 | 75,308 |
| Capitals Starting With W | 0 | - | 4.89 | 90,625 |
| Capitals Starting With A | 0 | - | 4.97 | 126,573 |
| Capitals Starting With B | 0 | - | 4.89 | 117,315 |
| Capitals Starting With D | 0 | - | 4.93 | 95,405 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,927 |
| Which City in Canada? | 0 | - | 4.82 | 56,673 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,388 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,558 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,089 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,320 |
| North America Cities by Map | 0 | - | 4.41 | 47,616 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,211 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,162 |
| Random European City to Country | 0 | - | 4.69 | 116,435 |
| Random Asian City to Country | 0 | - | 4.56 | 44,393 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,704 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,353 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,220 |
| Former Capitals | 0 | - | 4.88 | 71,146 |
| Capital Cities Chain | 0 | - | 4.84 | 81,929 |
| Coldest World Capitals | 0 | - | 4.95 | 133,052 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,808 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,007 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,590 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,033 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,790 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,340 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,851 |
| US States and State Capitals | 0 | - | 4.99 | 158,573 |
| Which City in Germany? | 0 | - | 4.50 | 135,094 |
| Which City in Italy? | 0 | - | 4.55 | 80,966 |
| Which City in France? | 0 | - | 4.64 | 72,474 |
| Which City in Spain? | 0 | - | 4.50 | 49,489 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,481 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,207 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,025 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,875 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,003 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,500 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,809 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,818 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 33,893 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,145 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,110 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,585 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,025 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,726 |
| South American Cities on the Map | 0 | - | 4.57 | 35,248 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,588 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,720 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,601 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,103 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,311 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,808 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,476 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,114 |
