| Name a City - European Countries | 0 | - | 4.90 | 65,460 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,210 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,198 |
| Europe Capital to Country | 0 | - | 4.99 | 250,524 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,012 |
| European Capitals by Map | 0 | - | 4.99 | 139,472 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,151 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,496 |
| European Coastal Capitals | 0 | - | 4.95 | 90,676 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,548 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,218 |
| Official Cities in the UK | 0 | - | 4.89 | 284,067 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,099 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,222 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,340 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,362 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,229 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,446 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,506 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,203 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,101 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,447 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,685 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,048 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,790 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,129 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,880 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,457 |
| World Capitals Quiz | 0 | - | 5.00 | 5,077,837 |
| Asia Capital to Country | 0 | - | 4.96 | 126,737 |
| African Capitals by Map | 0 | - | 4.99 | 133,953 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,501 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,617 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,288 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,870 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,808 |
| Which City in Europe? | 0 | - | 4.83 | 107,458 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,042 |
| Cities in European History #1 | 0 | - | 4.63 | 134,084 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,363 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,770 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,865 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,897 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,077 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,562 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,840 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,104 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,548 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,373 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,895 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,197 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,436 |
| Monarchies of Europe | 0 | - | 4.90 | 98,216 |
| Capitals of the Stans | 0 | - | 4.95 | 26,869 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,068 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,326 |
| Europe Map Quiz | 0 | - | 5.00 | 4,765,985 |
| Random European City to Country | 0 | - | 4.69 | 117,741 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,991 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,871 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,164 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,161 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,605 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,550 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,028 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,546 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,273 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,436 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,867 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,364 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,470 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,572 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,329 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,129 |
| Countries by Capital City | 0 | - | 5.00 | 68,424 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,241 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,723 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,687 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,286 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,231 |
| Moved Capital Cities | 0 | - | 4.96 | 74,263 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,592 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,818 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,458 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,570 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,711 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,251 |
| Random European Capital to Country | 0 | - | 4.98 | 191,022 |
| Random European Country to Capital | 0 | - | 4.93 | 165,240 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,517 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,821 |
| Random African Capital to Country | 0 | - | 4.97 | 100,776 |
| Random African Country to Capital | 0 | - | 4.94 | 71,312 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,241 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,380 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,781 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,168 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,842 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,868 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,953 |
| North American Sports Cities | 0 | - | 4.83 | 172,475 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,350 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,952 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,845 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,738 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,416 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,449 |
| Name a Valid World City | 0 | - | 4.83 | 71,310 |
| Cities by Former Name | 0 | - | 4.83 | 91,619 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,787 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,428 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,695 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,019 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,921 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,283 |
| World Capitals by Map | 0 | - | 5.00 | 286,836 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,371 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,630 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,868 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,015 |
| Random Country to Capital | 0 | - | 4.98 | 921,335 |
| Capitals Starting With H | 0 | - | 4.91 | 92,636 |
| Capitals Starting With K | 0 | - | 4.88 | 83,654 |
| Capitals Starting With L | 0 | - | 4.81 | 88,163 |
| Capitals Starting With M | 0 | - | 4.93 | 107,920 |
| Capitals Starting With P | 0 | - | 4.88 | 78,268 |
| Capitals Starting With R | 0 | - | 4.87 | 81,908 |
| Capitals Starting With S | 0 | - | 4.90 | 85,868 |
| Capitals Starting With T | 0 | - | 4.85 | 76,225 |
| Capitals Starting With W | 0 | - | 4.87 | 91,346 |
| Capitals Starting With A | 0 | - | 4.97 | 128,165 |
| Capitals Starting With B | 0 | - | 4.89 | 118,593 |
| Capitals Starting With D | 0 | - | 4.93 | 96,528 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,228 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,155 |
| European Cities by Clue | 0 | - | 4.70 | 89,071 |
| Boroughs of London | 0 | - | 4.63 | 87,989 |
| London Geography | 0 | - | 4.47 | 59,698 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,231 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,402 |
| The Only European Country ... | 0 | - | 4.91 | 216,936 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,313 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,676 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,496 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,890 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,415 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,133 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,422 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,715 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,413 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,727 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,745 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,935 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,245,712 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,248 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,421 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,898 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,951 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,156 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,601 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,582 |
| North America Cities by Map | 0 | - | 4.41 | 47,823 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,057 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,224 |
| Random Asian City to Country | 0 | - | 4.56 | 44,551 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,978 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,860 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,277 |
| Former Capitals | 0 | - | 4.88 | 71,484 |
| Capital Cities Chain | 0 | - | 4.83 | 82,814 |
| Coldest World Capitals | 0 | - | 4.95 | 133,593 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,635 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,342 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,980 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,407 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,618 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,126 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,211 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,885 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,269 |
| Which City in Canada? | 0 | - | 4.83 | 57,101 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,450 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,378 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,946 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,389 |
| Slavic Countries | 0 | - | 4.96 | 111,743 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,339 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,381 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,755 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,276 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,325 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,956 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,240 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,281 |
| Counties of England | 0 | - | 4.97 | 797,667 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,011 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,980 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,440 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,968 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,479 |
