| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,775 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,594 |
| Europe Capital to Country | 0 | - | 4.99 | 249,900 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,766 |
| European Capitals by Map | 0 | - | 4.99 | 138,964 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,005 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,350 |
| European Coastal Capitals | 0 | - | 4.95 | 90,526 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,822 |
| Official Cities in the UK | 0 | - | 4.89 | 283,476 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,979 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,173 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,144 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,249 |
| Cities in European History #1 | 0 | - | 4.63 | 133,923 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,093 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,432 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,277 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,122 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,794 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,492 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,625 |
| Random European Capital to Country | 0 | - | 4.98 | 190,788 |
| Random European Country to Capital | 0 | - | 4.93 | 165,004 |
| Name a City - European Countries | 0 | - | 4.90 | 65,317 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,014 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,243 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,615 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,108 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,574 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,582 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,003 |
| Former Capitals | 0 | - | 4.88 | 71,427 |
| Asia Capital to Country | 0 | - | 4.96 | 126,599 |
| African Capitals by Map | 0 | - | 4.99 | 133,658 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,268 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,554 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,659 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,803 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,036 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,483 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,740 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,390 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,048 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,496 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,408 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,789 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,290 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,203 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,829 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,708 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,715 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,441 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,632 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,040 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,907 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,258 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,452 |
| Capitals of the Stans | 0 | - | 4.95 | 26,817 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,495 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,532 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,420 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,298 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,058 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,373 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,332 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,137 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,378 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,710 |
| Random African Capital to Country | 0 | - | 4.97 | 100,659 |
| Random African Country to Capital | 0 | - | 4.94 | 71,175 |
| Melbourne Suburbs | 0 | - | 4.85 | 53,055 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,857 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,939 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,934 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,753 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,083 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,983 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,718 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,959 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,102 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,019 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,114 |
| Which City in Europe? | 0 | - | 4.83 | 107,348 |
| Boroughs of London | 0 | - | 4.63 | 87,819 |
| London Geography | 0 | - | 4.47 | 59,654 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,322 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,680 |
| Countries of the German Empire | 0 | - | 4.51 | 37,914 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,725 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,316 |
| Byzantine History | 0 | - | 4.91 | 28,826 |
| Byzantine Emperors | 0 | - | 4.94 | 13,617 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,843 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,221 |
| North American Sports Cities | 0 | - | 4.83 | 172,284 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,293 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,025 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,836 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,412 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,333 |
| Name a Valid World City | 0 | - | 4.83 | 71,115 |
| Cities by Former Name | 0 | - | 4.83 | 91,521 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,367 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,146 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,337 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,630 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,417 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,138 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,875 |
| Countries by Capital City | 0 | - | 5.00 | 68,146 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,106 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,583 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,105 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,095 |
| Moved Capital Cities | 0 | - | 4.96 | 74,146 |
| World Capitals by Map | 0 | - | 5.00 | 286,104 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,248 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,026 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,917 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,410 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,522 |
| Random Country to Capital | 0 | - | 4.98 | 919,768 |
| Capitals Starting With H | 0 | - | 4.91 | 92,478 |
| Capitals Starting With K | 0 | - | 4.88 | 83,299 |
| Capitals Starting With L | 0 | - | 4.81 | 88,004 |
| Capitals Starting With M | 0 | - | 4.93 | 107,682 |
| Capitals Starting With P | 0 | - | 4.88 | 78,132 |
| Capitals Starting With R | 0 | - | 4.87 | 81,766 |
| Capitals Starting With S | 0 | - | 4.90 | 85,709 |
| Capitals Starting With T | 0 | - | 4.85 | 76,111 |
| Capitals Starting With W | 0 | - | 4.87 | 91,254 |
| Capitals Starting With A | 0 | - | 4.97 | 127,802 |
| Capitals Starting With B | 0 | - | 4.89 | 118,385 |
| Capitals Starting With D | 0 | - | 4.93 | 96,355 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,954 |
| US States and State Capitals | 0 | - | 4.99 | 161,937 |
| Which City in Canada? | 0 | - | 4.83 | 57,041 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,405 |
| Flags of Countries that Border Germany | 0 | - | 4.85 | 96,963 |
| Flags of Countries That Border France | 0 | - | 4.88 | 122,837 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,781 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,802 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,531 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,896 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,391 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,946 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,271 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,202 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,155 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,679 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,221 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,512 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,184 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,573 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,541 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,335 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,735 |
| North America Cities by Map | 0 | - | 4.41 | 47,793 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,879 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,116 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,907 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,893 |
| Random European City to Country | 0 | - | 4.69 | 117,612 |
| Random Asian City to Country | 0 | - | 4.56 | 44,484 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,828 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,764 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,757 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,534 |
| Capital Cities Chain | 0 | - | 4.83 | 82,669 |
| Coldest World Capitals | 0 | - | 4.95 | 133,528 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,500 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,823 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,006 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,228 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,536 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,678 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,694 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,346 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,738 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,213 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,768 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,396 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,067 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,176 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,193 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,679 |
| British Places A-Z | 0 | - | 4.29 | 79,855 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,307 |
| South American Cities on the Map | 0 | - | 4.53 | 35,408 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,697 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,529 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,294 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,908 |
| Random U.S. City to State | 0 | - | 4.45 | 76,242 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,718 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,805 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,067 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,976 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,251 |
