| US States and State Capitals | 0 | - | 4.99 | 166,253 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 105,112 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,435 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,586 |
| Which City in Canada? | 0 | - | 4.83 | 57,446 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,824 |
| U.S. State Capitals Closest to the Mississippi River | 0 | - | 4.86 | 18,508 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,546 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,682 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,613 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,306 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,692 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,628 |
| Name a City - European Countries | 0 | - | 4.89 | 66,492 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,890 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,394 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,390 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,783 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,467 |
| Europe Capital to Country | 0 | - | 4.99 | 252,774 |
| Asia Capital to Country | 0 | - | 4.96 | 127,775 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,425 |
| European Capitals by Map | 0 | - | 4.99 | 142,781 |
| African Capitals by Map | 0 | - | 4.99 | 142,762 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,199 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,217 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,471 |
| European Coastal Capitals | 0 | - | 4.95 | 91,579 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,309 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,578 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,935 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,275 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 84,309 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,499 |
| Seattle City Trivia | 0 | - | 4.22 | 26,595 |
| Official Cities in the UK | 0 | - | 4.89 | 287,168 |
| South America Capitals Quiz | 0 | - | 5.00 | 486,026 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,925 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,420 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,776 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,428 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,551 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,723 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,124 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,924 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,877 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,072 |
| U.S. State Flags | 0 | - | 4.88 | 173,750 |
| Hawaiian Islands | 0 | - | 4.83 | 43,055 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,600 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.95 | 195,824 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,735 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,214 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,138 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,335 |
| World Capitals Quiz | 0 | - | 5.00 | 5,118,516 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,884 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,135 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,743 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 43,017 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,190 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,307 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,799 |
| Boroughs of New York City | 0 | - | 4.47 | 85,468 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,165 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 119,931 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,541 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,958 |
| Capitals of the Stans | 0 | - | 4.95 | 27,271 |
| ALL California Cities | 0 | - | 4.37 | 43,306 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,604,022 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,849 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,973 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,203 |
| Random European Capital to Country | 0 | - | 4.98 | 192,475 |
| Random European Country to Capital | 0 | - | 4.93 | 166,150 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,162 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,641 |
| Random African Capital to Country | 0 | - | 4.97 | 101,561 |
| Random African Country to Capital | 0 | - | 4.94 | 71,945 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,602 |
| Which City in the United States? | 0 | - | 4.21 | 57,241 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,410 |
| European Capitals by Airport Code | 0 | - | 4.93 | 37,052 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,914 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,919 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,681 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,039 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,137 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,316 |
| Random U.S. City to State | 0 | - | 4.45 | 77,086 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,371 |
| Every City in Arizona on a Map | 0 | - | 4.53 | 9,664 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,602 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,469 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,500 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,728 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,843 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,784 |
| Every City in New York on the Map | 0 | - | 4.43 | 11,980 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,248 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,739 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,232 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,396 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,482 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,632 |
| Which City in Europe? | 0 | - | 4.83 | 108,057 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,834 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 72,058 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 120,187 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,989 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,658 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,673 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,783 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 56,105 |
| Find the City #1 | 0 | - | 4.97 | 43,478 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,694 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,174 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,453 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,616 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,560 |
| Countries by Capital City | 0 | - | 5.00 | 69,793 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,270 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,445 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,054 |
| Moved Capital Cities | 0 | - | 4.96 | 74,780 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,717 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,895 |
| Random Country to Capital | 0 | - | 4.98 | 931,194 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,711 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,204 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,922 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,828 |
| U.S. State Capitals Closest to the Great Lakes | 0 | - | 4.67 | 21,192 |
| Miami City Trivia | 0 | - | 4.60 | 11,279 |
| All About Atlanta | 0 | - | 4.60 | 11,308 |
| Dallas City Trivia | 0 | - | 4.46 | 6,881 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 638,182 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,498 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,651 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 52,659 |
| North American Sports Cities | 0 | - | 4.82 | 173,374 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,622 |
| Cities in European History #1 | 0 | - | 4.63 | 134,999 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,489 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,935 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,978 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,255 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,615 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,957 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,129 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,673 |
| Name a Valid World City | 0 | - | 4.85 | 72,216 |
| Cities by Former Name | 0 | - | 4.83 | 92,233 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,013 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,077 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,269 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,041 |
| World Capitals by Map | 0 | - | 5.00 | 290,310 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 59,000 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,303 |
| World Capitals Mystery Route | 0 | - | 4.98 | 56,250 |
| Bordering Countries Whose Capitals Are Furthest Apart | 0 | - | 4.99 | 51,422 |
| Capitals Starting With H | 0 | - | 4.91 | 93,516 |
| Capitals Starting With K | 0 | - | 4.89 | 84,576 |
| Capitals Starting With L | 0 | - | 4.81 | 96,184 |
| Capitals Starting With M | 0 | - | 4.94 | 109,481 |
| Capitals Starting With P | 0 | - | 4.88 | 79,197 |
| Capitals Starting With R | 0 | - | 4.89 | 82,659 |
| Capitals Starting With S | 0 | - | 4.90 | 86,759 |
| Capitals Starting With T | 0 | - | 4.86 | 77,004 |
| Capitals Starting With W | 0 | - | 4.87 | 91,835 |
| Capitals Starting With A | 0 | - | 4.97 | 129,380 |
| Capitals Starting With B | 0 | - | 4.89 | 119,740 |
| Capitals Starting With D | 0 | - | 4.94 | 97,374 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,347 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,296 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,694 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,456 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,934 |
| Which City in Latin America? | 0 | - | 4.63 | 47,193 |
| New York City A-Z | 0 | - | 4.18 | 32,417 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,885 |
| Illinois Counties | 0 | - | 4.56 | 30,742 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,243 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,801 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,902 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,089 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,604 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,453 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,177 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,022 |
| U.S. City Nicknames | 0 | - | 4.26 | 103,903 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,853 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,510 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,830 |
| North America Cities by Map | 0 | - | 4.41 | 47,986 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,147 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 216,976 |
| Random European City to Country | 0 | - | 4.69 | 118,595 |
