| Which City in Europe? | 0 | - | 4.83 | 107,123 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,050 |
| Which City in Canada? | 0 | - | 4.82 | 56,930 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,041 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,628 |
| Which City in Africa? | 0 | - | 4.77 | 57,746 |
| Asia Capital to Country | 0 | - | 4.96 | 126,390 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,975 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,469 |
| European Cities by Clue | 0 | - | 4.70 | 88,991 |
| Which City in Latin America? | 0 | - | 4.63 | 46,971 |
| Which City in Australia? | 0 | - | 4.67 | 34,366 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,878 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,766 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,654 |
| Capitals of the Stans | 0 | - | 4.95 | 26,699 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,971 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,708 |
| Which City in Germany? | 0 | - | 4.50 | 136,041 |
| Which City in Italy? | 0 | - | 4.67 | 89,924 |
| Which City in France? | 0 | - | 4.64 | 72,937 |
| Which City in Spain? | 0 | - | 4.50 | 49,865 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,354 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,254 |
| Random Asian City to Country | 0 | - | 4.56 | 44,456 |
| Name a City - European Countries | 0 | - | 4.90 | 65,130 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,947 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,610 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,431 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,528 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,002 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,140 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,331 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,753 |
| Europe Capital to Country | 0 | - | 4.99 | 249,432 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,490 |
| European Capitals by Map | 0 | - | 4.99 | 138,395 |
| African Capitals by Map | 0 | - | 4.99 | 133,186 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,195 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,816 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,182 |
| European Coastal Capitals | 0 | - | 4.95 | 90,312 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,964 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,403 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 81,703 |
| Which City in the United States? | 0 | - | 4.21 | 56,895 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,388 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,552 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,133 |
| Official Cities in the UK | 0 | - | 4.89 | 282,828 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,859 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,124 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,909 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,206 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,851 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,931 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,041 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,031 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,140 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,786 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,989 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,874 |
| Random European City to Country | 0 | - | 4.69 | 117,417 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,803 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,396 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,466 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,271 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,862 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,018 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,692 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,503 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,667 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,159 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,422 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,054 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,507 |
| Random European Capital to Country | 0 | - | 4.98 | 190,542 |
| Random European Country to Capital | 0 | - | 4.93 | 164,295 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,110 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,516 |
| Random African Capital to Country | 0 | - | 4.97 | 100,417 |
| Random African Country to Capital | 0 | - | 4.94 | 70,986 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,805 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,680 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,243 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,771 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,670 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,781 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,700 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,585 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,489 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,866 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,200 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,223 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,870 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,493 |
| Countries by Capital City | 0 | - | 5.00 | 67,827 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,915 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,419 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,455 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,906 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,136 |
| Moved Capital Cities | 0 | - | 4.96 | 74,004 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,926 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,355 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,988 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,049 |
| Countries that Beat China | 0 | - | 4.86 | 115,433 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,655 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,165 |
| Asia Map Quiz | 0 | - | 4.99 | 913,926 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,916 |
| Random U.S. City to State | 0 | - | 4.45 | 75,989 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,191 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,876 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,078 |
| Random Country to Capital | 0 | - | 4.98 | 917,377 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,541 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,541 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,973 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,641 |
| North American Sports Cities | 0 | - | 4.83 | 171,698 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,196 |
| Cities in European History #1 | 0 | - | 4.63 | 133,743 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,298 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,689 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,096 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,198 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,614 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,179 |
| Name a Valid World City | 0 | - | 4.83 | 70,875 |
| Cities by Former Name | 0 | - | 4.83 | 91,395 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,573 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,302 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,542 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,813 |
| World Capitals by Map | 0 | - | 5.00 | 285,391 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,112 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,750 |
| Capitals Starting With H | 0 | - | 4.90 | 91,898 |
| Capitals Starting With K | 0 | - | 4.85 | 76,072 |
| Capitals Starting With L | 0 | - | 4.81 | 87,302 |
| Capitals Starting With M | 0 | - | 4.93 | 106,833 |
| Capitals Starting With P | 0 | - | 4.88 | 77,577 |
| Capitals Starting With R | 0 | - | 4.87 | 81,337 |
| Capitals Starting With S | 0 | - | 4.89 | 85,213 |
| Capitals Starting With T | 0 | - | 4.84 | 75,685 |
| Capitals Starting With W | 0 | - | 4.87 | 90,960 |
| Capitals Starting With A | 0 | - | 4.97 | 127,155 |
| Capitals Starting With B | 0 | - | 4.89 | 117,801 |
| Capitals Starting With D | 0 | - | 4.93 | 95,864 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,639 |
| Countries that Beat Egypt | 0 | - | 4.89 | 56,862 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,553 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,933 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,549 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,493 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,394 |
| North America Cities by Map | 0 | - | 4.41 | 47,747 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,731 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,431 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,611 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,650 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,466 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,913 |
| Former Capitals | 0 | - | 4.88 | 71,354 |
| Capital Cities Chain | 0 | - | 4.83 | 82,426 |
| Coldest World Capitals | 0 | - | 4.95 | 133,422 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,335 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,599 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,446 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,483 |
| US States and State Capitals | 0 | - | 4.99 | 161,037 |
| Hong Kong Facts | 0 | - | 4.49 | 29,244 |
| Countries of the Middle East | 0 | - | 4.96 | 200,641 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,594 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,215 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,468 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,924 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,766 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,038 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,294 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,925 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,618 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,766 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,368 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,222 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,250 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,784 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,557 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,110 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,229 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,466 |
| South American Cities on the Map | 0 | - | 4.56 | 35,361 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,344 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,846 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,350 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,576 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,152 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,716 |
