| Which City in Europe? | 0 | - | 4.83 | 107,197 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,128 |
| Which City in Canada? | 0 | - | 4.82 | 56,954 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,319 |
| Which City in Asia? | 0 | - | 4.52 | 51,325 |
| Asia Capital to Country | 0 | - | 4.96 | 126,502 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,114 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,511 |
| European Cities by Clue | 0 | - | 4.70 | 89,008 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,077 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,921 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,771 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,727 |
| Which City in Africa? | 0 | - | 4.77 | 57,770 |
| Which City in Latin America? | 0 | - | 4.63 | 46,990 |
| Which City in Australia? | 0 | - | 4.67 | 34,381 |
| Capitals of the Stans | 0 | - | 4.95 | 26,763 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,123 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,729 |
| Which City in Germany? | 0 | - | 4.50 | 136,330 |
| Which City in Italy? | 0 | - | 4.68 | 90,024 |
| Which City in France? | 0 | - | 4.64 | 72,985 |
| Which City in Spain? | 0 | - | 4.50 | 49,888 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,131 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,266 |
| Random Asian City to Country | 0 | - | 4.56 | 44,460 |
| Name a City - European Countries | 0 | - | 4.90 | 65,223 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,965 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,655 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,511 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,572 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,019 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,150 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,457 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,865 |
| Europe Capital to Country | 0 | - | 4.99 | 249,646 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,630 |
| European Capitals by Map | 0 | - | 4.99 | 138,661 |
| African Capitals by Map | 0 | - | 4.99 | 133,412 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,564 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,919 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,266 |
| European Coastal Capitals | 0 | - | 4.95 | 90,414 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,329 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,625 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,756 |
| Which City in the United States? | 0 | - | 4.21 | 56,926 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,561 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,668 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,363 |
| Official Cities in the UK | 0 | - | 4.89 | 283,171 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,871 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,704 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,209 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,281 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,918 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,034 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,096 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,131 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,196 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,861 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,093 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,972 |
| Random European City to Country | 0 | - | 4.69 | 117,484 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,121 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,551 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,585 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,382 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,927 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,068 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,815 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,525 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,282 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,244 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,454 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,087 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,568 |
| Random European Capital to Country | 0 | - | 4.98 | 190,671 |
| Random European Country to Capital | 0 | - | 4.93 | 164,756 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,302 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,623 |
| Random African Capital to Country | 0 | - | 4.97 | 100,523 |
| Random African Country to Capital | 0 | - | 4.94 | 71,108 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,882 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,860 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,282 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,892 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,677 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,025 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,803 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,691 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,501 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,993 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,259 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,298 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,004 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,683 |
| Countries by Capital City | 0 | - | 5.00 | 67,961 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,991 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,485 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,735 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,997 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,158 |
| Moved Capital Cities | 0 | - | 4.96 | 74,076 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,944 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,435 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,041 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,083 |
| Hindu Countries | 0 | - | 4.86 | 50,025 |
| Countries that Beat China | 0 | - | 4.86 | 115,536 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,707 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,991 |
| Asia Map Quiz | 0 | - | 4.99 | 914,918 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,924 |
| Random U.S. City to State | 0 | - | 4.45 | 76,144 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,225 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,883 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,417 |
| Random Country to Capital | 0 | - | 4.98 | 918,725 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,810 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,875 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,530 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,737 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,751 |
| North American Sports Cities | 0 | - | 4.83 | 171,789 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,261 |
| Cities in European History #1 | 0 | - | 4.63 | 133,829 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,314 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,711 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,104 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,274 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,691 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,186 |
| Name a Valid World City | 0 | - | 4.83 | 70,989 |
| Cities by Former Name | 0 | - | 4.83 | 91,451 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,605 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,336 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,590 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,946 |
| World Capitals by Map | 0 | - | 5.00 | 285,704 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,178 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,817 |
| Capitals Starting With H | 0 | - | 4.91 | 92,303 |
| Capitals Starting With K | 0 | - | 4.87 | 82,413 |
| Capitals Starting With L | 0 | - | 4.81 | 87,800 |
| Capitals Starting With M | 0 | - | 4.93 | 107,415 |
| Capitals Starting With P | 0 | - | 4.88 | 77,963 |
| Capitals Starting With R | 0 | - | 4.87 | 81,616 |
| Capitals Starting With S | 0 | - | 4.90 | 85,556 |
| Capitals Starting With T | 0 | - | 4.85 | 75,979 |
| Capitals Starting With W | 0 | - | 4.87 | 91,157 |
| Capitals Starting With A | 0 | - | 4.97 | 127,598 |
| Capitals Starting With B | 0 | - | 4.89 | 118,211 |
| Capitals Starting With D | 0 | - | 4.93 | 96,199 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,669 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,908 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,704 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,258 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,563 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,516 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,423 |
| North America Cities by Map | 0 | - | 4.41 | 47,768 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,806 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,660 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,724 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,709 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,503 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,003 |
| Former Capitals | 0 | - | 4.88 | 71,390 |
| Capital Cities Chain | 0 | - | 4.83 | 82,529 |
| Coldest World Capitals | 0 | - | 4.95 | 133,480 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,421 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,714 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,739 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,500 |
| US States and State Capitals | 0 | - | 4.99 | 161,430 |
| Hong Kong Facts | 0 | - | 4.49 | 29,256 |
| Countries of the Middle East | 0 | - | 4.96 | 200,821 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,695 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,317 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,570 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,999 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,846 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,112 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,508 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,076 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,738 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,805 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,415 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,306 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,818 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,564 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,121 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,273 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,474 |
| South American Cities on the Map | 0 | - | 4.56 | 35,395 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,427 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,872 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,399 |
