| Europe Capital to Country | 0 | - | 4.99 | 251,633 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,677 |
| European Capitals by Map | 0 | - | 4.99 | 141,495 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,661 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,001 |
| European Coastal Capitals | 0 | - | 4.95 | 91,111 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,353 |
| Official Cities in the UK | 0 | - | 4.89 | 285,522 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,425 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,873 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,473 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,593 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,733 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,479 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,299 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,458 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,784 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,526 |
| Cities in European History #1 | 0 | - | 4.63 | 134,455 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,471 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,729 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,957 |
| Random European Capital to Country | 0 | - | 4.98 | 191,860 |
| Random European Country to Capital | 0 | - | 4.93 | 165,679 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,643 |
| Name a City - European Countries | 0 | - | 4.90 | 65,963 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,200 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,323 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,240 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,382 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,263 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,821 |
| Former Capitals | 0 | - | 4.88 | 71,616 |
| Asia Capital to Country | 0 | - | 4.96 | 127,223 |
| African Capitals by Map | 0 | - | 4.99 | 141,551 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,975 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,646 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,087 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,860 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,063 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,642 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,074 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,003 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,567 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,009 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,267 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,796 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,101 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,202 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,395 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,633 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,338 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,874 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,736 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,465 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,200 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,887 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,279 |
| Random African Capital to Country | 0 | - | 4.97 | 101,159 |
| Random African Country to Capital | 0 | - | 4.94 | 71,629 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,015 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,593 |
| Capitals of the Stans | 0 | - | 4.95 | 27,066 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,240 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,017 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,637 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,748 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,221 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,563 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,778 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,955 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,115 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,449 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,436 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,157 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,284 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,501 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,700 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,253 |
| Which City in Europe? | 0 | - | 4.83 | 107,770 |
| Boroughs of London | 0 | - | 4.63 | 88,374 |
| London Geography | 0 | - | 4.47 | 59,815 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,043 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,308 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,439 |
| Countries of the German Empire | 0 | - | 4.51 | 38,112 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,831 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,259 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,621 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,008 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,880 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,934 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,817 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,004 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,944 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,829 |
| Countries by Capital City | 0 | - | 5.00 | 69,109 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,678 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,070 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,171 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,643 |
| Moved Capital Cities | 0 | - | 4.96 | 74,535 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,528 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,447 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,750 |
| Random Country to Capital | 0 | - | 4.98 | 925,677 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,622 |
| US States and State Capitals | 0 | - | 4.99 | 164,653 |
| Which City in Canada? | 0 | - | 4.83 | 57,274 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,194 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,073 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,710 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,620 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,446 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,101 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,294 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,170 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,326 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,003 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,016 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,732 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,415 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,096 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,437 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,754 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,615 |
| North American Sports Cities | 0 | - | 4.83 | 172,960 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,501 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,665 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,712 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,426 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| North America Cities by Map | 0 | - | 4.41 | 47,902 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,936 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,191 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,729 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,083 |
| Random European City to Country | 0 | - | 4.69 | 118,267 |
| Random Asian City to Country | 0 | - | 4.56 | 44,590 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,503 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,804 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,345 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,433 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,709 |
| Name a Valid World City | 0 | - | 4.84 | 71,764 |
| Cities by Former Name | 0 | - | 4.83 | 91,915 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,609 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,891 |
| Capital Cities Chain | 0 | - | 4.84 | 83,203 |
| Coldest World Capitals | 0 | - | 4.95 | 134,071 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,642 |
| World Capitals by Map | 0 | - | 5.00 | 288,670 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,691 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,980 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,691 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,386 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,552 |
| Capitals Starting With H | 0 | - | 4.91 | 92,982 |
| Capitals Starting With K | 0 | - | 4.88 | 84,028 |
| Capitals Starting With L | 0 | - | 4.81 | 90,580 |
| Capitals Starting With M | 0 | - | 4.93 | 108,528 |
| Capitals Starting With P | 0 | - | 4.88 | 78,623 |
| Capitals Starting With R | 0 | - | 4.88 | 82,188 |
| Capitals Starting With S | 0 | - | 4.90 | 86,207 |
| Capitals Starting With T | 0 | - | 4.85 | 76,520 |
| Capitals Starting With W | 0 | - | 4.87 | 91,526 |
| Capitals Starting With A | 0 | - | 4.97 | 128,650 |
| Capitals Starting With B | 0 | - | 4.89 | 119,050 |
| Capitals Starting With D | 0 | - | 4.93 | 96,865 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,444 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,480 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,386 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,035 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,659 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,743 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,385 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,688 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,744 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,833 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,353 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,891 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,180 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,370 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 35,357 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,106 |
| British Places A-Z | 0 | - | 4.29 | 80,043 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,519 |
| South American Cities on the Map | 0 | - | 4.52 | 35,526 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,619 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,918 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,140 |
| Random U.S. City to State | 0 | - | 4.45 | 76,764 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,162 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,039 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,251 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,336 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,397 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,644 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,022 |
