| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,026 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,442 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,025 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,002 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,946 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,713 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,333 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,683 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,069 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,122 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,657 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,167 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,029 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,608 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,841 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,217 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,317 |
| US States Quiz | 0 | - | 5.00 | 16,998,453 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,695 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,416 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,572 |
| Random U.S. City to State | 0 | - | 4.45 | 76,922 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,451 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,505 |
| Name a City - European Countries | 0 | - | 4.89 | 66,190 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,978 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,947 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,438 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,824 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,603 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,167 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,878 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,797 |
| Boroughs of New York City | 0 | - | 4.47 | 85,337 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,091 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,291 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,325 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,369 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,388 |
| U.S. States By Population | 0 | - | 4.92 | 154,164 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,244 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,902 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,875 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,543 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,106 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,168 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,838 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,443 |
| US States with an Empty Map | 0 | - | 5.00 | 628,780 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,163 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,311 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,270 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,742 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,496 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,094 |
| ALL California Cities | 0 | - | 4.37 | 43,244 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,887 |
| Europe Capital to Country | 0 | - | 4.99 | 252,126 |
| Asia Capital to Country | 0 | - | 4.96 | 127,412 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,000 |
| European Capitals by Map | 0 | - | 4.99 | 142,128 |
| African Capitals by Map | 0 | - | 4.99 | 142,232 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,922 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,889 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,204 |
| European Coastal Capitals | 0 | - | 4.95 | 91,326 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,193 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,774 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,819 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,171 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,242 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,830 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,011 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,806 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,100 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,724 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,081 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,571 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,881 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,532 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,863 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,219 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,339 |
| Official Cities in the UK | 0 | - | 4.89 | 286,309 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,493 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,352 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,502 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,098 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,264 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,250 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,595 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,132 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,406 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,592 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,473 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,965 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,721 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,800 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,254 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,261 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,864 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,403 |
| Capitals of the Stans | 0 | - | 4.95 | 27,149 |
| American TV Show Settings | 0 | - | 4.37 | 30,702 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,704 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,944 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,256 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,782 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,262 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,635 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,388 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,670 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,307 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,114 |
| US States and State Capitals | 0 | - | 4.99 | 165,412 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,428 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,526 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,848 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,665 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,496 |
| States of Mexico | 0 | - | 4.96 | 178,307 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,106 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,089 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,051 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,683 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,462 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,223 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,927 |
| South American Cities on the Map | 0 | - | 4.52 | 35,555 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,596 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,933 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,617 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,588 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,491 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,080 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,059 |
| Random European Capital to Country | 0 | - | 4.98 | 192,158 |
| Random European Country to Capital | 0 | - | 4.93 | 165,912 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,993 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,443 |
| Random African Capital to Country | 0 | - | 4.97 | 101,367 |
| Random African Country to Capital | 0 | - | 4.95 | 71,760 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,747 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,330 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,217 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,565 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,453 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,619 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,500 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,826 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,470 |
| Pixelated United States Map | 0 | - | 4.88 | 94,824 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,689 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,767 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,497 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,798 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,321 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,371 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,980 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,217 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,243 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,162 |
| Countries by Capital City | 0 | - | 5.00 | 69,415 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,864 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,241 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,920 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,165 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,820 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,034 |
| Moved Capital Cities | 0 | - | 4.96 | 74,657 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,269 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,380 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,417 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,813 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,875 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,422 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,743 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,832 |
| Which City in Europe? | 0 | - | 4.83 | 107,899 |
| Neighborhoods of New York City | 0 | - | 4.38 | 30,593 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,240 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,682 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,010 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,480 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,401 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,054 |
| New England States | 0 | - | 4.51 | 59,899 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,065 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,120 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,157 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,286 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,149 |
| U.S. States by Borders | 0 | - | 4.62 | 35,485 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,466 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,189 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,887 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,683 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,346 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,455 |
