| Name a Valid European Capital | 0 | - | 4.95 | 151,923 |
| Europe Capital to Country | 0 | - | 4.99 | 249,358 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,443 |
| European Capitals by Map | 0 | - | 4.99 | 138,325 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,784 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,150 |
| European Coastal Capitals | 0 | - | 4.95 | 90,295 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,321 |
| Random European Capital to Country | 0 | - | 4.98 | 190,494 |
| Random European Country to Capital | 0 | - | 4.93 | 164,019 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,834 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,900 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,031 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,396 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,110 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,085 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,422 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,003 |
| Asia Capital to Country | 0 | - | 4.96 | 126,359 |
| African Capitals by Map | 0 | - | 4.99 | 133,136 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,943 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,441 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,848 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,417 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 81,685 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,481 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,036 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,199 |
| Random African Capital to Country | 0 | - | 4.97 | 100,359 |
| Random African Country to Capital | 0 | - | 4.94 | 70,959 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,977 |
| Official Cities in the UK | 0 | - | 4.89 | 282,750 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,087 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,813 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,168 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,629 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,994 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,588 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,866 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,042 |
| Capitals of the Stans | 0 | - | 4.95 | 26,685 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,858 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,717 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,848 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,908 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,766 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,024 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,579 |
| Name a City - European Countries | 0 | - | 4.90 | 65,098 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,120 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,727 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,842 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,296 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,728 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,939 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,282 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,522 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,339 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,971 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,044 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,774 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,734 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,377 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,201 |
| Cities in European History #1 | 0 | - | 4.63 | 133,711 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,243 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,066 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,131 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,399 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,341 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,429 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,464 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,728 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,346 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,124 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,827 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,183 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,203 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,835 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,439 |
| Countries by Capital City | 0 | - | 5.00 | 67,771 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,888 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,384 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,341 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,883 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,130 |
| Moved Capital Cities | 0 | - | 4.96 | 73,988 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,913 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,330 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,369 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,663 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,347 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,661 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,560 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,875 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,475 |
| Which City in Europe? | 0 | - | 4.83 | 107,110 |
| Boroughs of London | 0 | - | 4.63 | 87,546 |
| London Geography | 0 | - | 4.47 | 59,601 |
| North American Sports Cities | 0 | - | 4.83 | 171,641 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,137 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,289 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,683 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,855 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,830 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,361 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,092 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,183 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,602 |
| Name a Valid World City | 0 | - | 4.83 | 70,835 |
| Cities by Former Name | 0 | - | 4.83 | 91,369 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,286 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,526 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,776 |
| World Capitals by Map | 0 | - | 5.00 | 285,304 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,091 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,674 |
| Random Country to Capital | 0 | - | 4.98 | 917,036 |
| Capitals Starting With H | 0 | - | 4.90 | 91,874 |
| Capitals Starting With K | 0 | - | 4.85 | 76,054 |
| Capitals Starting With L | 0 | - | 4.81 | 87,283 |
| Capitals Starting With M | 0 | - | 4.93 | 106,799 |
| Capitals Starting With P | 0 | - | 4.88 | 77,562 |
| Capitals Starting With R | 0 | - | 4.87 | 81,325 |
| Capitals Starting With S | 0 | - | 4.89 | 85,196 |
| Capitals Starting With T | 0 | - | 4.84 | 75,668 |
| Capitals Starting With W | 0 | - | 4.87 | 90,946 |
| Capitals Starting With A | 0 | - | 4.97 | 127,121 |
| Capitals Starting With B | 0 | - | 4.89 | 117,778 |
| Capitals Starting With D | 0 | - | 4.93 | 95,841 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,818 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,995 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,737 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,630 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,009 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,530 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,478 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,702 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,317 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,559 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,630 |
| Former Capitals | 0 | - | 4.88 | 71,346 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,553 |
| Capital Cities Chain | 0 | - | 4.83 | 82,401 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,286 |
| Coldest World Capitals | 0 | - | 4.95 | 133,410 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,313 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,575 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,476 |
| Which City in Canada? | 0 | - | 4.82 | 56,926 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,640 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,278 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,217 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,232 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,777 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,101 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,546 |
| North America Cities by Map | 0 | - | 4.41 | 47,742 |
| Random European City to Country | 0 | - | 4.69 | 117,388 |
| Random Asian City to Country | 0 | - | 4.56 | 44,455 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,459 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,886 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,675 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,177 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,020 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,885 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,939 |
| US States and State Capitals | 0 | - | 4.99 | 160,917 |
| Which City in Germany? | 0 | - | 4.50 | 136,024 |
| Which City in Italy? | 0 | - | 4.67 | 89,895 |
| Which City in France? | 0 | - | 4.64 | 72,926 |
| Which City in Spain? | 0 | - | 4.50 | 49,856 |
| Which City in Australia? | 0 | - | 4.67 | 34,363 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,796 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,297 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,814 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,516 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,118 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,621 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,218 |
| South American Cities on the Map | 0 | - | 4.56 | 35,353 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,667 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,310 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,833 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,561 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,703 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,005 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,836 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,391 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,894 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,560 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,090 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,020 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,266 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,243 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,879 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,137 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,180 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,102 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,161 |
