| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,257 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,604 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,069 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,634 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,032 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,787 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,381 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,514 |
| US States Quiz | 0 | - | 5.00 | 16,965,373 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,706 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,324 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,150 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,665 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,354 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,463 |
| Random U.S. City to State | 0 | - | 4.45 | 76,771 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,842 |
| Name a City - European Countries | 0 | - | 4.90 | 65,985 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,345 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,477 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,211 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,741 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,660 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,283 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,928 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,295 |
| Boroughs of New York City | 0 | - | 4.47 | 84,873 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,103 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,068 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,507 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Draw All US State Borders | 0 | - | 4.99 | 140,030 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 67,867 |
| US States with an Empty Map | 0 | - | 5.00 | 627,605 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,817 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,133 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,925 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,673 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,282 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,837 |
| ALL California Cities | 0 | - | 4.37 | 43,195 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,848 |
| Europe Capital to Country | 0 | - | 4.99 | 251,673 |
| Asia Capital to Country | 0 | - | 4.96 | 127,235 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,709 |
| European Capitals by Map | 0 | - | 4.99 | 141,543 |
| African Capitals by Map | 0 | - | 4.99 | 141,620 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,672 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,677 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,018 |
| European Coastal Capitals | 0 | - | 4.95 | 91,127 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,095 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,959 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,387 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,453 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,077 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,194 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,677 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,926 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,710 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,097 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,062 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,664 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,037 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,745 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,967 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,234 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,676 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,815 |
| Official Cities in the UK | 0 | - | 4.89 | 285,593 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,472 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,169 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,344 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,880 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,481 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,436 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,118 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,592 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,603 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,705 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,611 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,035 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,438 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,903 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,274 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,482 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,388 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,811 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,512 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,516 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,606 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,781 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,770 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,258 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,340 |
| Capitals of the Stans | 0 | - | 4.95 | 27,071 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,670 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,750 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,550 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,691 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,273 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,492 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,917 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,335 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,153 |
| Click a Valid World Capital A-Z | 0 | - | 4.84 | 91,185 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,659 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,285 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,093 |
| US States and State Capitals | 0 | - | 4.99 | 164,703 |
| Miami City Trivia | 0 | - | 4.60 | 11,257 |
| All About Atlanta | 0 | - | 4.60 | 11,281 |
| Dallas City Trivia | 0 | - | 4.46 | 6,857 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,665 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,598 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,649 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,596 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,517 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,078 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,317 |
| U.S. States with the Coldest Hottest Recorded Temperature | 0 | - | 4.47 | 15,996 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,883 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,843 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,113 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,307 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,899 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,776 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,530 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,633 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,570 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,144 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,920 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,566 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,254 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,967 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,822 |
| Random European Capital to Country | 0 | - | 4.98 | 191,878 |
| Random European Country to Capital | 0 | - | 4.93 | 165,691 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,894 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,289 |
| Random African Capital to Country | 0 | - | 4.97 | 101,176 |
| Random African Country to Capital | 0 | - | 4.95 | 71,638 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,617 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,613 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,454 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,040 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,770 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,678 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,730 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,780 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,638 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,727 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,939 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,800 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,660 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,587 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,426 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,459 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,034 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,401 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,784 |
| Find the City #1 | 0 | - | 4.97 | 43,238 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,746 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,956 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,839 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,022 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,976 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,861 |
| Countries by Capital City | 0 | - | 5.00 | 69,142 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,693 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,081 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,232 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,660 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,004 |
| Moved Capital Cities | 0 | - | 4.96 | 74,552 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,165 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,293 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,260 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,754 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,725 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,660 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,815 |
| Which City in Europe? | 0 | - | 4.83 | 107,781 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,546 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,002 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,340 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,355 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 79,084 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,397,011 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,436 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,167 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,195 |
| Every City in Texas on a Map | 0 | - | 4.37 | 15,929 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,311 |
| North American Sports Cities | 0 | - | 4.83 | 172,970 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,505 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,903 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,609 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,812 |
