| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,277 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,514 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,875 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,312 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,717 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,320 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,888 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,053 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,380 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,367 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,322 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,134 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,512 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,905 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,654 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,520 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,710 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,678 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,586 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,791 |
| US States Quiz | 0 | - | 5.00 | 16,695,454 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,919 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,216 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,595 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,656 |
| Random U.S. City to State | 0 | - | 4.45 | 75,302 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,008 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,181 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,012 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,656 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,171 |
| Name a City - European Countries | 0 | - | 4.92 | 64,359 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,416 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,009 |
| Random European Capital to Country | 0 | - | 4.98 | 189,167 |
| Random European Country to Capital | 0 | - | 4.92 | 147,417 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,343 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,377 |
| Random African Capital to Country | 0 | - | 4.97 | 99,716 |
| Random African Country to Capital | 0 | - | 4.94 | 70,225 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,785 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,324 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,840 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,697 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,330 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,377 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,623 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,872 |
| U.S. States By Population | 0 | - | 4.92 | 152,330 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,369 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,840 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,530 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,752 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,863 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,044 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,783 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,031 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,121 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,337 |
| Boroughs of New York City | 0 | - | 4.47 | 84,084 |
| US States with an Empty Map | 0 | - | 5.00 | 618,635 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,324 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,774 |
| Europe Capital to Country | 0 | - | 4.99 | 247,557 |
| Asia Capital to Country | 0 | - | 4.96 | 125,720 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,415 |
| European Capitals by Map | 0 | - | 4.99 | 136,198 |
| African Capitals by Map | 0 | - | 4.99 | 132,119 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,105 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,156 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,584 |
| European Coastal Capitals | 0 | - | 4.95 | 89,719 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,173 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,707 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,724 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,409 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,559 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,144 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,004 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,153 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,677 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,546 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,893 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,136 |
| ALL California Cities | 0 | - | 4.36 | 42,811 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,387 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,064 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,625 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,023 |
| Official Cities in the UK | 0 | - | 4.89 | 280,450 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,776 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,786 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,638 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,393 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,086 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,159 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,688 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,422 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,749 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,812 |
| Capitals of the Stans | 0 | - | 4.95 | 26,398 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,781 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,457 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,276 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,566 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,173 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,878 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,596 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,801 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,656 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,963 |
| US States and State Capitals | 0 | - | 4.99 | 158,422 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,633 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,820 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,764 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,817 |
| States of Mexico | 0 | - | 4.95 | 173,292 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,860 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,272 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,236 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,428 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,701 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,745 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,450 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,513 |
| South American Cities on the Map | 0 | - | 4.57 | 35,239 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,718 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,435 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,631 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,470 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,905 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,629 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,581 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,577 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,387 |
| Countries by Capital City | 0 | - | 5.00 | 66,588 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,306 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,886 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,281 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,397 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,187 |
| Moved Capital Cities | 0 | - | 4.96 | 73,567 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,755 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,435 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,826 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,332 |
| Pixelated United States Map | 0 | - | 4.89 | 93,447 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,793 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,255 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,611 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,805 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,581 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,021 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,686 |
| Which City in Europe? | 0 | - | 4.83 | 106,602 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,224 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,379 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,529 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,837 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,072 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,795 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,923 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,469 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,881 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,302 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,624 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,656 |
| U.S. States by Borders | 0 | - | 4.63 | 35,065 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,462 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,229 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,127 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,090 |
| North American Sports Cities | 0 | - | 4.83 | 170,864 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,908 |
| Cities in European History #1 | 0 | - | 4.63 | 133,084 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,539 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,190 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,557 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,801 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,458 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,011 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,705 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,170 |
| Name a Valid World City | 0 | - | 4.83 | 70,101 |
| Cities by Former Name | 0 | - | 4.84 | 90,946 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,674 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,228 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,897 |
| World Capitals by Map | 0 | - | 5.00 | 283,117 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,643 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,609 |
| Random Country to Capital | 0 | - | 4.98 | 911,398 |
| Capitals Starting With H | 0 | - | 4.90 | 90,734 |
| Capitals Starting With K | 0 | - | 4.85 | 75,661 |
| Capitals Starting With L | 0 | - | 4.81 | 86,807 |
| Capitals Starting With M | 0 | - | 4.93 | 106,017 |
| Capitals Starting With P | 0 | - | 4.88 | 77,166 |
| Capitals Starting With R | 0 | - | 4.87 | 80,953 |
