| Which City in California? | 0 | - | 4.56 | 32,143 |
| Which City in New York State? | 0 | - | 4.60 | 16,052 |
| Which City in Texas? | 0 | - | 4.45 | 25,152 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,910 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,774 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,821 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,582 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,494 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,817 |
| Random European Capital to Country | 0 | - | 4.98 | 192,044 |
| Random European Country to Capital | 0 | - | 4.93 | 165,812 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,949 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,365 |
| Random African Capital to Country | 0 | - | 4.97 | 101,267 |
| Random African Country to Capital | 0 | - | 4.95 | 71,703 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,637 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,905 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,365 |
| Name a City - European Countries | 0 | - | 4.90 | 66,090 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,117 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,220 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,334 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,334 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,586 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,288 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,387 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,968 |
| Europe Capital to Country | 0 | - | 4.99 | 251,898 |
| Asia Capital to Country | 0 | - | 4.96 | 127,322 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,844 |
| European Capitals by Map | 0 | - | 4.99 | 141,912 |
| African Capitals by Map | 0 | - | 4.99 | 141,968 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,594 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,834 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,789 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,105 |
| European Coastal Capitals | 0 | - | 4.95 | 91,235 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,150 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,347 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,613 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,128 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,749 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,723 |
| New York City A-Z | 0 | - | 4.18 | 32,370 |
| Official Cities in the UK | 0 | - | 4.89 | 285,981 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,559 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,916 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,170 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,527 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,022 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,347 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,538 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,884 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,668 |
| US States and State Capitals | 0 | - | 4.99 | 165,089 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,873 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,364 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,678 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,855 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,915 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,990 |
| World Capitals Quiz | 0 | - | 5.00 | 5,102,329 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,600 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,514 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,689 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,776 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,598 |
| Capitals of the Stans | 0 | - | 4.95 | 27,104 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,528 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,863 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,834 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,569 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,733 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,172 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,287 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,145 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,327 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,136 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,791 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,494 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,017 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,972 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,192 |
| Which City in Europe? | 0 | - | 4.83 | 107,840 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,767 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,739 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,029 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,923 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,191 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,620 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,978 |
| Random U.S. City to State | 0 | - | 4.45 | 76,828 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,425 |
| Find the City #1 | 0 | - | 4.97 | 43,298 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,077 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,265 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,919 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,131 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,137 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,032 |
| Countries by Capital City | 0 | - | 5.00 | 69,269 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,792 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,169 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,602 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,753 |
| Moved Capital Cities | 0 | - | 4.96 | 74,605 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,780 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,576 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,649 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,123 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,854 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,775 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,692 |
| Which City in Canada? | 0 | - | 4.83 | 57,331 |
| Boroughs of New York City | 0 | - | 4.47 | 85,096 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,117 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,537 |
| Chicago A-Z | 0 | - | 4.25 | 15,548 |
| Miami City Trivia | 0 | - | 4.60 | 11,264 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,406 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,134 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,389 |
| North American Sports Cities | 0 | - | 4.83 | 173,065 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,540 |
| Cities in European History #1 | 0 | - | 4.63 | 134,550 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,439 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,864 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,945 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,209 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,506 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,890 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,437 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,748 |
| Name a Valid World City | 0 | - | 4.85 | 71,902 |
| Cities by Former Name | 0 | - | 4.83 | 91,996 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,663 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,949 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,760 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,758 |
| World Capitals by Map | 0 | - | 5.00 | 289,123 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,782 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,333 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,788 |
| Random Country to Capital | 0 | - | 4.98 | 927,159 |
| Capitals Starting With H | 0 | - | 4.91 | 93,279 |
| Capitals Starting With K | 0 | - | 4.89 | 84,346 |
| Capitals Starting With M | 0 | - | 4.94 | 109,080 |
| Capitals Starting With P | 0 | - | 4.88 | 78,949 |
| Capitals Starting With R | 0 | - | 4.88 | 82,460 |
| Capitals Starting With S | 0 | - | 4.90 | 86,512 |
| Capitals Starting With T | 0 | - | 4.85 | 76,787 |
| Capitals Starting With W | 0 | - | 4.87 | 91,704 |
| Capitals Starting With A | 0 | - | 4.97 | 129,020 |
| Capitals Starting With B | 0 | - | 4.89 | 119,424 |
| Capitals Starting With D | 0 | - | 4.94 | 97,141 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,862 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,401 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,209 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,080 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,062 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,434 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,765 |
| Which City in Germany? | 0 | - | 4.50 | 137,268 |
| Which City in Italy? | 0 | - | 4.68 | 90,507 |
| Which City in France? | 0 | - | 4.67 | 73,346 |
| Which City in Spain? | 0 | - | 4.50 | 50,092 |
| Which City in Australia? | 0 | - | 4.67 | 34,548 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,554,179 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,310 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,474 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,735 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,267 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,909 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,593 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,797 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,803 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,763 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,493 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,666 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,710 |
| South American Cities on the Map | 0 | - | 4.52 | 35,539 |
| North America Cities by Map | 0 | - | 4.41 | 47,926 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,838 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,327 |
| ALL California Cities | 0 | - | 4.37 | 43,219 |
| Random European City to Country | 0 | - | 4.69 | 118,397 |
| Random Asian City to Country | 0 | - | 4.56 | 44,607 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,608 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,595 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,231 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,878 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,077 |
| Name a City - U.S. States | 0 | - | 4.40 | 30,513 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,520 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,396 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,559 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,512 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,204 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,640 |
