| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,415 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,522 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,899 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,126 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,728 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,989 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,565 |
| Random European Capital to Country | 0 | - | 4.98 | 192,362 |
| Random European Country to Capital | 0 | - | 4.93 | 166,089 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,602 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,671 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,573 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,823 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,712 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,383 |
| Europe Capital to Country | 0 | - | 4.99 | 252,608 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,309 |
| European Capitals by Map | 0 | - | 4.99 | 142,573 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,142 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,402 |
| European Coastal Capitals | 0 | - | 4.95 | 91,502 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,560 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,096 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,382 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,487 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,611 |
| Official Cities in the UK | 0 | - | 4.89 | 286,904 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,730 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,343 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,672 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,826 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,231 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,937 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,843 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,653 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,130 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,864 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,517 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,697 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,240 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,193 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,548 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,996 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,623 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,460 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,050 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,502 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,941 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,640 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,169 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,093 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,589 |
| Random African Capital to Country | 0 | - | 4.97 | 101,495 |
| Random African Country to Capital | 0 | - | 4.94 | 71,897 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,105 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,558 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,614 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,109 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,816 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,720 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,837 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,098 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,062 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,484 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,329 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,444 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,584 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,097 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,205 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,970 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,866 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,683 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,633 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,957 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,392 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,195 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,108 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,724 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,854 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,723 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,459 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,319 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,573 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,793 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,256 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,841 |
| Biggest Cities in France | 0 | - | 4.72 | 225,647 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,382 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,359 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,545 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,357 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,516 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,752 |
| North American Sports Cities | 0 | - | 4.82 | 173,308 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,605 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 87,951 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,532 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,067 |
| Name a City - European Countries | 0 | - | 4.89 | 66,394 |
| Cities by Former Name | 0 | - | 4.83 | 92,190 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,152 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,037 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,988 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,570 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,089 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,049 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,359 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,453 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,406 |
| Countries by Capital City | 0 | - | 5.00 | 69,647 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,177 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,367 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,970 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,979 |
| Moved Capital Cities | 0 | - | 4.96 | 74,741 |
| World Capitals by Map | 0 | - | 5.00 | 290,001 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,939 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,395 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,988 |
| Random Country to Capital | 0 | - | 4.98 | 930,183 |
| Capitals Starting With H | 0 | - | 4.91 | 93,457 |
| Capitals Starting With K | 0 | - | 4.89 | 84,521 |
| Capitals Starting With L | 0 | - | 4.81 | 96,102 |
| Capitals Starting With M | 0 | - | 4.94 | 109,386 |
| Capitals Starting With P | 0 | - | 4.88 | 79,128 |
| Capitals Starting With R | 0 | - | 4.89 | 82,614 |
| Capitals Starting With S | 0 | - | 4.90 | 86,701 |
| Capitals Starting With T | 0 | - | 4.86 | 76,949 |
| Capitals Starting With W | 0 | - | 4.87 | 91,799 |
| Capitals Starting With A | 0 | - | 4.97 | 129,290 |
| Capitals Starting With B | 0 | - | 4.89 | 119,660 |
| Capitals Starting With D | 0 | - | 4.94 | 97,322 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,996 |
| Which City in Australia? | 0 | - | 4.62 | 34,601 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,475 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,986 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,923 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,187 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,305 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,663 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,794 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,868 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,728 |
| Largest City by Island | 0 | - | 4.87 | 72,581 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,504 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,884 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,256 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,065 |
| Megacities on a World Map | 0 | - | 4.98 | 257,506 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,139 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,850 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,842 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,542 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,800 |
| Cities of Ireland | 0 | - | 4.51 | 50,961 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,877 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,994 |
| Cities in European History #1 | 0 | - | 4.63 | 134,750 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,835 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,689 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,077 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,820 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,367 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,831 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,701 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,832 |
| Former Capitals | 0 | - | 4.88 | 71,733 |
| Asia Capital to Country | 0 | - | 4.96 | 127,702 |
| Capital Cities Chain | 0 | - | 4.84 | 83,530 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,742 |
| African Capitals by Map | 0 | - | 4.99 | 142,620 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,666 |
| Coldest World Capitals | 0 | - | 4.95 | 134,295 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,126 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,272 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,343 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,256 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,261 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,737 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,865 |
| Which City in Germany? | 0 | - | 4.50 | 137,574 |
| Which City in Italy? | 0 | - | 4.68 | 90,663 |
| Which City in France? | 0 | - | 4.67 | 73,458 |
| Which City in Spain? | 0 | - | 4.50 | 50,153 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,751 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,067 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,857 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,768 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,940 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,137 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,033 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,621 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,971 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,373 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,037 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,541 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,202 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,035 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,561 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,375 |
