| Which City in Europe? | 0 | - | 4.83 | 106,595 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,317 |
| Which City in Canada? | 0 | - | 4.82 | 56,643 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,542 |
| Which City in Asia? | 0 | - | 4.51 | 51,096 |
| Asia Capital to Country | 0 | - | 4.96 | 125,705 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,065 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,169 |
| European Cities by Clue | 0 | - | 4.70 | 88,792 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,784 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,605 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,711 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,138 |
| Which City in Africa? | 0 | - | 4.78 | 57,559 |
| Which City in Latin America? | 0 | - | 4.63 | 46,834 |
| Which City in Australia? | 0 | - | 4.67 | 34,215 |
| Capitals of the Stans | 0 | - | 4.95 | 26,391 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,782 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,556 |
| Which City in Germany? | 0 | - | 4.50 | 134,955 |
| Which City in Italy? | 0 | - | 4.55 | 78,139 |
| Which City in France? | 0 | - | 4.64 | 72,387 |
| Which City in Spain? | 0 | - | 4.50 | 49,425 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,925 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,168 |
| Random Asian City to Country | 0 | - | 4.56 | 44,386 |
| Name a City - European Countries | 0 | - | 4.92 | 64,340 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,790 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,245 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,796 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,221 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,903 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,055 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,314 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,750 |
| Europe Capital to Country | 0 | - | 4.99 | 247,446 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,397 |
| European Capitals by Map | 0 | - | 4.99 | 136,144 |
| African Capitals by Map | 0 | - | 4.99 | 132,110 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,071 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,142 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,575 |
| European Coastal Capitals | 0 | - | 4.95 | 89,711 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,633 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,684 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,406 |
| Which City in the United States? | 0 | - | 4.21 | 56,649 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,926 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,954 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,806 |
| Official Cities in the UK | 0 | - | 4.89 | 280,408 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,799 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,373 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,404 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,753 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,627 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,375 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,076 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,680 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,413 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,741 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,160 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,313 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,154 |
| Random European City to Country | 0 | - | 4.69 | 116,284 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,830 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,289 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,698 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,763 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,367 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,645 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,013 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,252 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,313 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,403 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,176 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,749 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,992 |
| Random European Capital to Country | 0 | - | 4.98 | 189,146 |
| Random European Country to Capital | 0 | - | 4.92 | 147,396 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,340 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,369 |
| Random African Capital to Country | 0 | - | 4.97 | 99,710 |
| Random African Country to Capital | 0 | - | 4.94 | 70,196 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,150 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,721 |
| Cities that End in T by Clue | 0 | - | 4.69 | 16,978 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,695 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,578 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,133 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,862 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,039 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,887 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,615 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,567 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,558 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,345 |
| Countries by Capital City | 0 | - | 5.00 | 66,567 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,286 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,872 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,237 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,391 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,027 |
| Moved Capital Cities | 0 | - | 4.96 | 73,558 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,805 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,502 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,871 |
| Hindu Countries | 0 | - | 4.85 | 49,539 |
| Countries that Beat China | 0 | - | 4.86 | 114,674 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,163 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,378 |
| Asia Map Quiz | 0 | - | 4.99 | 906,644 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,809 |
| Random U.S. City to State | 0 | - | 4.45 | 75,287 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,002 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,442 |
| Random Country to Capital | 0 | - | 4.98 | 911,262 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,306 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,298 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,591 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,187 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,078 |
| North American Sports Cities | 0 | - | 4.83 | 170,849 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,904 |
| Cities in European History #1 | 0 | - | 4.63 | 133,065 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,186 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,555 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,009 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,694 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,161 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,084 |
| Name a Valid World City | 0 | - | 4.83 | 70,084 |
| Cities by Former Name | 0 | - | 4.84 | 90,935 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,359 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,673 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,223 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,878 |
| World Capitals by Map | 0 | - | 5.00 | 283,077 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,636 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,197 |
| Capitals Starting With H | 0 | - | 4.90 | 90,631 |
| Capitals Starting With K | 0 | - | 4.85 | 75,650 |
| Capitals Starting With L | 0 | - | 4.81 | 86,792 |
| Capitals Starting With M | 0 | - | 4.93 | 105,995 |
| Capitals Starting With P | 0 | - | 4.88 | 77,153 |
| Capitals Starting With R | 0 | - | 4.87 | 80,940 |
| Capitals Starting With S | 0 | - | 4.89 | 84,774 |
| Capitals Starting With T | 0 | - | 4.84 | 75,263 |
| Capitals Starting With W | 0 | - | 4.89 | 90,583 |
| Capitals Starting With A | 0 | - | 4.97 | 126,492 |
| Capitals Starting With B | 0 | - | 4.89 | 117,238 |
| Capitals Starting With D | 0 | - | 4.93 | 95,340 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,408 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,574 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,420 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,935 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,455 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,296 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,128 |
| North America Cities by Map | 0 | - | 4.41 | 47,606 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,156 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,043 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,633 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,308 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,301 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,105 |
| Former Capitals | 0 | - | 4.88 | 71,128 |
| Capital Cities Chain | 0 | - | 4.84 | 81,882 |
| Coldest World Capitals | 0 | - | 4.95 | 133,026 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,756 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,956 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,324 |
| US States and State Capitals | 0 | - | 4.99 | 158,368 |
| Hong Kong Facts | 0 | - | 4.48 | 29,172 |
| Countries of the Middle East | 0 | - | 4.96 | 198,829 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,664 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,445 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,727 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,373 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,200 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,321 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,846 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,790 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,115 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,518 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,097 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,140 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,082 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,567 |
| World City Nicknames Quiz | 0 | - | 4.19 | 35,455 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,017 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,702 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,319 |
| South American Cities on the Map | 0 | - | 4.57 | 35,239 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,667 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,582 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,170 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,078 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,610 |
