| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,898 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,602 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,552 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,788 |
| Boroughs of New York City | 0 | - | 4.47 | 84,456 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,536 |
| US States Quiz | 0 | - | 5.00 | 16,823,329 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,406 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,476 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,574 |
| Dallas City Trivia | 0 | - | 4.46 | 6,817 |
| ALL California Cities | 0 | - | 4.37 | 42,976 |
| Random U.S. City to State | 0 | - | 4.45 | 76,021 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,588 |
| Name a City - European Countries | 0 | - | 4.90 | 65,134 |
| Every City in Arizona on a Map | 0 | - | 4.50 | 9,315 |
| Every City in Alabama on a Map | 0 | - | 4.73 | 8,446 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,433 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.61 | 14,603 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,414 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,689 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,162 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,693 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,983 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,706 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,995 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,053 |
| Draw All US State Borders | 0 | - | 4.99 | 136,335 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 66,116 |
| US States with an Empty Map | 0 | - | 5.00 | 623,024 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,654 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,339 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,828 |
| Every City in Texas on a Map | 0 | - | 4.36 | 15,283 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,395 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,340 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,759 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,441 |
| Europe Capital to Country | 0 | - | 4.99 | 249,446 |
| Asia Capital to Country | 0 | - | 4.96 | 126,402 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,501 |
| European Capitals by Map | 0 | - | 4.99 | 138,412 |
| African Capitals by Map | 0 | - | 4.99 | 133,198 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,988 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,825 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,189 |
| European Coastal Capitals | 0 | - | 4.95 | 90,323 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,475 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,992 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,426 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,708 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,025 |
| Miami City Trivia | 0 | - | 4.60 | 11,218 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,508 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,537 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,230 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,692 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,184 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,890 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,484 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,940 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,523 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,200 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,352 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,767 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,632 |
| Official Cities in the UK | 0 | - | 4.89 | 282,863 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,774 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,366 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,295 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,192 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,811 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,926 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,209 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,854 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,939 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,659 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,045 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,045 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 54,749 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,144 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,611 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,365 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,230 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,081 |
| Capitals of the Stans | 0 | - | 4.95 | 26,702 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,551 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,882 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,658 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,830 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,717 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,779 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,865 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,987 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,022 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,613 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,217 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,044 |
| US States and State Capitals | 0 | - | 4.99 | 161,087 |
| All About Atlanta | 0 | - | 4.60 | 11,238 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,532,674 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,250 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,777 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,962 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,005 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,182 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,509 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,393 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,001 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,232 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,353 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,848 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,729 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,014 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,426 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,509 |
| Random European Capital to Country | 0 | - | 4.98 | 190,548 |
| Random European Country to Capital | 0 | - | 4.93 | 164,322 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,121 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,532 |
| Random African Capital to Country | 0 | - | 4.97 | 100,429 |
| Random African Country to Capital | 0 | - | 4.94 | 70,993 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,381 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,592 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,507 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,811 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,155 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,857 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,246 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,698 |
| Los Angeles City Quiz | 0 | - | 4.14 | 30,722 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,203 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,829 |
| State Quiz - Texas | 0 | - | 4.43 | 62,775 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,013 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,276 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,664 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,778 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,195 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,191 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 55,256 |
| Find the City #1 | 0 | - | 4.97 | 42,646 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,590 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,877 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,204 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,227 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,877 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,508 |
| Countries by Capital City | 0 | - | 5.00 | 67,837 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,921 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,422 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,473 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,950 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,910 |
| Moved Capital Cities | 0 | - | 4.96 | 74,008 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,611 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,883 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,435 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,361 |
| Bay Area or Los Angeles Suburb | 0 | - | 4.40 | 15,023 |
| Which City in Europe? | 0 | - | 4.83 | 107,127 |
| Houston City Trivia | 0 | - | 3.93 | 10,458 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,096 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,442 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,085 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,676,060 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 78,214 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,388,525 |
| Texas True or False? | 0 | - | 4.50 | 39,340 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,651 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 51,508 |
| North American Sports Cities | 0 | - | 4.83 | 171,710 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,201 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,702 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,531 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,203 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,378 |
| Name a Valid World City | 0 | - | 4.83 | 70,883 |
| Cities by Former Name | 0 | - | 4.83 | 91,399 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,303 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,545 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,823 |
| World Capitals by Map | 0 | - | 5.00 | 285,409 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,116 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,187 |
| Random Country to Capital | 0 | - | 4.98 | 917,443 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,189 |
| Capitals Starting With H | 0 | - | 4.90 | 91,903 |
| Capitals Starting With K | 0 | - | 4.85 | 76,077 |
| Capitals Starting With L | 0 | - | 4.81 | 87,305 |
| Capitals Starting With M | 0 | - | 4.93 | 106,842 |
| Capitals Starting With P | 0 | - | 4.88 | 77,584 |
| Capitals Starting With R | 0 | - | 4.87 | 81,342 |
| Capitals Starting With S | 0 | - | 4.89 | 85,219 |
| Capitals Starting With T | 0 | - | 4.84 | 75,687 |
| Capitals Starting With W | 0 | - | 4.87 | 90,962 |
| Capitals Starting With A | 0 | - | 4.97 | 127,160 |
| Capitals Starting With B | 0 | - | 4.89 | 117,806 |
| Capitals Starting With D | 0 | - | 4.93 | 95,869 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,997 |
