| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,346 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,061 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,157 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,564 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,803 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,368 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,759 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,309 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,280 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,773 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,509 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,481 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,642 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,942 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,268 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,339 |
| US States Quiz | 0 | - | 5.00 | 17,015,157 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,079 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,883 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,823 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,450 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,076 |
| Random U.S. City to State | 0 | - | 4.45 | 76,998 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,467 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,179 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,854 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,709 |
| Name a City - European Countries | 0 | - | 4.89 | 66,338 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,565 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,683 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,544 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,656 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,148 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,385 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,418 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,470 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,510 |
| U.S. States By Population | 0 | - | 4.92 | 154,216 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,339 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,950 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,947 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,579 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,179 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,898 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,911 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,652 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,188 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,909 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,812 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,446 |
| Boroughs of New York City | 0 | - | 4.47 | 85,378 |
| US States with an Empty Map | 0 | - | 5.00 | 629,362 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,630 |
| Europe Capital to Country | 0 | - | 4.99 | 252,477 |
| Asia Capital to Country | 0 | - | 4.96 | 127,659 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,210 |
| European Capitals by Map | 0 | - | 4.99 | 142,428 |
| African Capitals by Map | 0 | - | 4.99 | 142,508 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,094 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,077 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,337 |
| European Coastal Capitals | 0 | - | 4.95 | 91,458 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,256 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,174 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,113 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,228 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,329 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,274 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,557 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,336 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,419 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,535 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,792 |
| ALL California Cities | 0 | - | 4.37 | 43,273 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,519 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,044 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,753 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,957 |
| Official Cities in the UK | 0 | - | 4.89 | 286,725 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,225 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,595 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,339 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,699 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,274 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,466 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,649 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,044 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,799 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,899 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,311 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,275 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,122 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,749 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,094 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,445 |
| Capitals of the Stans | 0 | - | 4.95 | 27,218 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,357 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,716 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,508 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,642 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,948 |
| American TV Show Settings | 0 | - | 4.37 | 30,710 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,698 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,903 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,886 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,663 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,683 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,131 |
| US States and State Capitals | 0 | - | 4.99 | 165,837 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,514 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,749 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,561 |
| States of Mexico | 0 | - | 4.96 | 178,574 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,026 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,507 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,199 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,189 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,154 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,906 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,576 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,379 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,014 |
| South American Cities on the Map | 0 | - | 4.52 | 35,572 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,468 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,599 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,939 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,161 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,595 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,512 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,059 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,308 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,393 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,323 |
| Countries by Capital City | 0 | - | 5.00 | 69,565 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,095 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,325 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,288 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,924 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,912 |
| Moved Capital Cities | 0 | - | 4.96 | 74,712 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,151 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,845 |
| Random European Capital to Country | 0 | - | 4.98 | 192,306 |
| Random European Country to Capital | 0 | - | 4.93 | 166,025 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,073 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,537 |
| Random African Capital to Country | 0 | - | 4.97 | 101,442 |
| Random African Country to Capital | 0 | - | 4.94 | 71,851 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,839 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,475 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,603 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,850 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,245 |
| Pixelated United States Map | 0 | - | 4.89 | 94,897 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,193 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,308 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,420 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,529 |
| Which City in Europe? | 0 | - | 4.83 | 107,975 |
| Neighborhoods of New York City | 0 | - | 4.38 | 30,608 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,348 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,958 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,835 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,083 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,426 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,085 |
| New England States | 0 | - | 4.51 | 59,906 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,103 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,132 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,199 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,327 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,176 |
| U.S. States by Borders | 0 | - | 4.61 | 35,509 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,149 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,706 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,382 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,545 |
| North American Sports Cities | 0 | - | 4.82 | 173,261 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,594 |
| Cities in European History #1 | 0 | - | 4.63 | 134,712 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,966 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,470 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,911 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,961 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,659 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,237 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,027 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,584 |
| Name a Valid World City | 0 | - | 4.85 | 72,102 |
| Cities by Former Name | 0 | - | 4.83 | 92,162 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,970 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,029 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,942 |
| World Capitals by Map | 0 | - | 5.00 | 289,808 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,903 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,530 |
| Random Country to Capital | 0 | - | 4.98 | 929,603 |
| Capitals Starting With H | 0 | - | 4.91 | 93,417 |
| Capitals Starting With K | 0 | - | 4.88 | 84,485 |
| Capitals Starting With L | 0 | - | 4.81 | 96,045 |
