| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,075 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,538 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,040 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,366 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,937 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,557 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,293 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,238 |
| US States Quiz | 0 | - | 5.00 | 16,939,162 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,436 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,086 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,064 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,402 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,180 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,373 |
| Random U.S. City to State | 0 | - | 4.45 | 76,662 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,794 |
| Name a City - European Countries | 0 | - | 4.90 | 65,817 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,980 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,863 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,927 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,666 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,638 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,259 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,907 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,286 |
| Boroughs of New York City | 0 | - | 4.47 | 84,806 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,073 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,986 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,386 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,219 |
| Draw All US State Borders | 0 | - | 4.99 | 139,213 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 67,380 |
| US States with an Empty Map | 0 | - | 5.00 | 626,674 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,558 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,962 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,683 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,613 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,108 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,607 |
| ALL California Cities | 0 | - | 4.37 | 43,154 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,825 |
| Europe Capital to Country | 0 | - | 4.99 | 251,252 |
| Asia Capital to Country | 0 | - | 4.96 | 127,012 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,448 |
| European Capitals by Map | 0 | - | 4.99 | 140,837 |
| African Capitals by Map | 0 | - | 4.99 | 139,734 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,257 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,482 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,844 |
| European Coastal Capitals | 0 | - | 4.95 | 90,960 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,961 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,343 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,923 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,421 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,986 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,131 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,626 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,845 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,066 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,262 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,012 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,606 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,012 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,687 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,767 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,717 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,464 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,778 |
| Official Cities in the UK | 0 | - | 4.89 | 284,973 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,450 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,066 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,255 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,780 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,430 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,378 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,027 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,551 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,555 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,681 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,964 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,864 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,295 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,672 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,136 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,384 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,303 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,681 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,402 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,348 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,502 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,775 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,752 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,861 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,288 |
| Capitals of the Stans | 0 | - | 4.95 | 27,002 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,646 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,554 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,863 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,659 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,367 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,353 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,655 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,024 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,943 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 90,955 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,650 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,264 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| US States and State Capitals | 0 | - | 4.99 | 163,980 |
| Miami City Trivia | 0 | - | 4.60 | 11,249 |
| All About Atlanta | 0 | - | 4.60 | 11,271 |
| Dallas City Trivia | 0 | - | 4.46 | 6,852 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,477 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,405 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,562 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,547,809 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,485 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,692 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,824 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,701 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,682 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,574 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,170 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,689 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,638 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,466 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,489 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,559 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,095 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,884 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,521 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,208 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,883 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,612 |
| Random European Capital to Country | 0 | - | 4.98 | 191,647 |
| Random European Country to Capital | 0 | - | 4.93 | 165,533 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,808 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,148 |
| Random African Capital to Country | 0 | - | 4.97 | 101,027 |
| Random African Country to Capital | 0 | - | 4.94 | 71,500 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,563 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,433 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,339 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,799 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,732 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,823 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,620 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,404 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,610 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,696 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,889 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,766 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,530 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,389 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,096 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,814 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,779 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,359 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,690 |
| Find the City #1 | 0 | - | 4.97 | 43,104 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,714 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,748 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,684 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,861 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,727 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,575 |
| Countries by Capital City | 0 | - | 5.00 | 68,851 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,504 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,940 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,607 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,077 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,528 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,974 |
| Moved Capital Cities | 0 | - | 4.96 | 74,434 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,041 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,178 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,094 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,695 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,698 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,650 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,805 |
| Which City in Europe? | 0 | - | 4.83 | 107,681 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,521 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,833 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,283 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,687,442 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 78,890 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,395,498 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,407 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,146 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,171 |
| Every City in Texas on a Map | 0 | - | 4.37 | 15,580 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,177 |
| North American Sports Cities | 0 | - | 4.83 | 172,790 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,447 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,852 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,593 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,690 |
| Name a City - U.S. States | 0 | - | 4.39 | 29,278 |
