| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,613 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,219 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,151 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,703 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,965 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,855 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,026 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,053 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,781 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,698 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,753 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,868 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,112 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,868 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,093 |
| US States Quiz | 0 | - | 5.00 | 16,888,248 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,911 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,152 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,429 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,157 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,203 |
| US States with an Empty Map | 0 | - | 5.00 | 625,025 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,630 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,240 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,070 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,954 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,561 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,763 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,156 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,678 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,304 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,362 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,676 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,965 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,105 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,489 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,110 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,165 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,105 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,215 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,407 |
| Random U.S. City to State | 0 | - | 4.45 | 76,346 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,285 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,776 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,009 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,984 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,843 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,159 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,287 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,546 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,557 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,705 |
| Random European Capital to Country | 0 | - | 4.98 | 191,007 |
| Random European Country to Capital | 0 | - | 4.93 | 165,214 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,503 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,806 |
| Random African Capital to Country | 0 | - | 4.97 | 100,772 |
| Random African Country to Capital | 0 | - | 4.94 | 71,293 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,102 |
| Boroughs of New York City | 0 | - | 4.47 | 84,627 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,967 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,512 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,519 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,094 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,394 |
| U.S. States By Population | 0 | - | 4.92 | 153,608 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,526 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,481 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,379 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,245 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,678 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,439 |
| Name a City - European Countries | 0 | - | 4.90 | 65,446 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,783 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,401 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,820 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,522 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,391 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,522 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,771 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,175 |
| ALL California Cities | 0 | - | 4.37 | 43,072 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,458 |
| Europe Capital to Country | 0 | - | 4.99 | 250,488 |
| Asia Capital to Country | 0 | - | 4.96 | 126,725 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,979 |
| European Capitals by Map | 0 | - | 4.99 | 139,427 |
| African Capitals by Map | 0 | - | 4.99 | 133,911 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,490 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,138 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,477 |
| European Coastal Capitals | 0 | - | 4.95 | 90,659 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,612 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,233 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,185 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,865 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,710 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,728 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,930 |
| Official Cities in the UK | 0 | - | 4.89 | 284,021 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,035 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,531 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,092 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,346 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,881 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,218 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,422 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,328 |
| American TV Show Settings | 0 | - | 4.35 | 30,654 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,595 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,209 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,412 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,308 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,774 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,547 |
| World Capitals Quiz | 0 | - | 5.00 | 5,077,063 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,487 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,204 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,649 |
| US States and State Capitals | 0 | - | 4.99 | 162,789 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,722 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,273 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,816 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,988 |
| States of Mexico | 0 | - | 4.96 | 176,279 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,815 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,849 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,825 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,507 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,202 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,508 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,957 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,369 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 50,679 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,059 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,050 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,549 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,645 |
| Capitals of the Stans | 0 | - | 4.95 | 26,865 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,398 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,380 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,200 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,888 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,172 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,327 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,533 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,787 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,533 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,758 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,543 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,750 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,238 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,321 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,763 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,834 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,412 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,430 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,595 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,401 |
| Pixelated United States Map | 0 | - | 4.87 | 94,330 |
| South American Cities on the Map | 0 | - | 4.53 | 35,437 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,644 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,015 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,860 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,010 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,786 |
| Which City in Europe? | 0 | - | 4.83 | 107,446 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,441 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,510 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,572 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,958 |
| Regions of U.S. States | 0 | - | 4.37 | 43,907 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,190 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,581 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,391 |
| New England States | 0 | - | 4.51 | 59,818 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,839 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,019 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,845 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,860 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,032 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,950 |
| U.S. States by Borders | 0 | - | 4.61 | 35,338 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,990 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,303 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,497 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,067 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,779 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,245 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,568 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,726 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,329 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,457 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,554 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,309 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,105 |
| Countries by Capital City | 0 | - | 5.00 | 68,385 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,224 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,702 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,270 |
