| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,157 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,492 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,224 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,747 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,703 |
| Asia Capital to Country | 0 | - | 4.96 | 126,256 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,830 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,390 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,575 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,913 |
| US States Quiz | 0 | - | 5.00 | 16,796,773 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,421 |
| Capitals of the Stans | 0 | - | 4.95 | 26,649 |
| Random U.S. City to State | 0 | - | 4.45 | 75,849 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,174 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,348 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,498 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,307 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,008 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,950 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,060 |
| Name a City - European Countries | 0 | - | 4.91 | 64,988 |
| Boroughs of New York City | 0 | - | 4.47 | 84,385 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,946 |
| US States with an Empty Map | 0 | - | 5.00 | 621,901 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,559 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,924 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,838 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,898 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,023 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,003 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,985 |
| Draw All US State Borders | 0 | - | 4.99 | 135,764 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 65,846 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,490 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,197 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,651 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,794 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,348 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,199 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,588 |
| ALL California Cities | 0 | - | 4.37 | 42,955 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,430 |
| Europe Capital to Country | 0 | - | 4.99 | 249,122 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,306 |
| European Capitals by Map | 0 | - | 4.99 | 138,029 |
| African Capitals by Map | 0 | - | 4.99 | 132,980 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,589 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,701 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,070 |
| European Coastal Capitals | 0 | - | 4.95 | 90,201 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,510 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,107 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,640 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 81,569 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,664 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,151 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,875 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,452 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,918 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,490 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,364 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,903 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,083 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,068 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,638 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,799 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,437 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,071 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,438 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,600 |
| Official Cities in the UK | 0 | - | 4.89 | 282,432 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,755 |
| Every City in Arizona on a Map | 0 | - | 4.50 | 9,279 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,150 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,773 |
| Every City in Alabama on a Map | 0 | - | 4.72 | 8,421 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,408 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.61 | 14,593 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,529 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,500 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,077 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,770 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,767 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,972 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,639 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,060 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,676 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,909 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,027 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,531 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,758 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,345 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,638 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,410 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,695 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,162 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,554 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,795 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,791 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,960 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,599 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,203 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,036 |
| US States and State Capitals | 0 | - | 4.99 | 160,587 |
| Miami City Trivia | 0 | - | 4.60 | 11,215 |
| All About Atlanta | 0 | - | 4.60 | 11,232 |
| Dallas City Trivia | 0 | - | 4.46 | 6,809 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,529,557 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,871 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,518 |
| Countries Similar to Chinese Provinces by Population | 0 | - | 4.48 | 33,309 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,825 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,888 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,089 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,385 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,222 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,912 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,179 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,204 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,492 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,802 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,721 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,973 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,430 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,389 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,421 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,477 |
| Random European Capital to Country | 0 | - | 4.98 | 190,264 |
| Random European Country to Capital | 0 | - | 4.93 | 161,497 |
| Random African Capital to Country | 0 | - | 4.97 | 100,249 |
| Random African Country to Capital | 0 | - | 4.94 | 70,838 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,356 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,579 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,362 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,692 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,134 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,850 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,236 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,517 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,255 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,891 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,133 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,187 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,583 |
| Find the City #1 | 0 | - | 4.97 | 42,542 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,546 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,700 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,108 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,139 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,697 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,308 |
| Countries by Capital City | 0 | - | 5.00 | 67,624 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,824 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,318 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,032 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,775 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,116 |
| Moved Capital Cities | 0 | - | 4.96 | 73,939 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,897 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,557 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,321 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,238 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,603 |
| Which City in Europe? | 0 | - | 4.83 | 107,067 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,336 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,960 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,019 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,673,740 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 78,071 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,386,733 |
| Every City in Texas on a Map | 0 | - | 4.36 | 15,220 |
| Biggest Cities in China | 0 | - | 4.52 | 157,888 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,675 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,517 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,122 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,148 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,173 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,859 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,454 |
| Random Country to Capital | 0 | - | 4.98 | 916,075 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,761 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,982 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,722 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,614 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,992 |
| Los Angeles City Quiz | 0 | - | 4.14 | 30,715 |
| Philadelphia Trivia | 0 | - | 4.26 | 21,972 |
| New Orleans City Trivia | 0 | - | 4.09 | 20,163 |
| China by Picture | 0 | - | 4.51 | 62,927 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,915 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,833 |
| Mexico True or False? | 0 | - | 4.89 | 48,503 |
| Rivers of the United States | 0 | - | 4.93 | 65,911 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,716 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,627 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,638 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,798 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,312 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,190 |
