| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,296 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,705 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,177 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,869 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,042 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,509 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,873 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,373 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,308 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,357 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,298 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,078 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,378 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,680 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,703 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,583 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,790 |
| US States Quiz | 0 | - | 5.00 | 16,693,208 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,203 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,592 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,650 |
| Random U.S. City to State | 0 | - | 4.45 | 75,294 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,174 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,934 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,554 |
| Name a City - European Countries | 0 | - | 4.92 | 64,342 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,411 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,321 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,682 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,321 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,368 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,607 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,865 |
| U.S. States By Population | 0 | - | 4.92 | 152,326 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,356 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,835 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,519 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,745 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,856 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 42,728 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,794 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,506 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,902 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,653 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,518 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,337 |
| Boroughs of New York City | 0 | - | 4.47 | 84,077 |
| US States with an Empty Map | 0 | - | 5.00 | 618,570 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,315 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,753 |
| Europe Capital to Country | 0 | - | 4.99 | 247,450 |
| Asia Capital to Country | 0 | - | 4.96 | 125,706 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,398 |
| European Capitals by Map | 0 | - | 4.99 | 136,149 |
| African Capitals by Map | 0 | - | 4.99 | 132,113 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,066 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,144 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,575 |
| European Coastal Capitals | 0 | - | 4.95 | 89,711 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,169 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,635 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,685 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,407 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,143 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,003 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,917 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,368 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,661 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,540 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,879 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,130 |
| ALL California Cities | 0 | - | 4.36 | 42,809 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,386 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,494 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,601 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,013 |
| Official Cities in the UK | 0 | - | 4.89 | 280,411 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,764 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,757 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,631 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,077 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,139 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,414 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,743 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,782 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,030 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,120 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,783 |
| 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 |
| Capitals of the Stans | 0 | - | 4.95 | 26,393 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,779 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,455 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,344 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,164 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,154 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,833 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,595 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,783 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,647 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,559 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,963 |
| US States and State Capitals | 0 | - | 4.99 | 158,379 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,619 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,774 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,756 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,783 |
| States of Mexico | 0 | - | 4.95 | 173,270 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,823 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,270 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,226 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,423 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,692 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,735 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,439 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,500 |
| South American Cities on the Map | 0 | - | 4.57 | 35,239 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,698 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,434 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,629 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,612 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,470 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,888 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,617 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,572 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,558 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,351 |
| Countries by Capital City | 0 | - | 5.00 | 66,571 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,291 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,872 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,249 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,392 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,178 |
| Moved Capital Cities | 0 | - | 4.96 | 73,559 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,992 |
| Random European Capital to Country | 0 | - | 4.98 | 189,146 |
| Random European Country to Capital | 0 | - | 4.92 | 147,396 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,340 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,371 |
| Random African Capital to Country | 0 | - | 4.97 | 99,711 |
| Random African Country to Capital | 0 | - | 4.94 | 70,197 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,151 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,730 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,418 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,814 |
| Pixelated United States Map | 0 | - | 4.89 | 93,437 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,790 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,246 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,605 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,796 |
| Which City in Europe? | 0 | - | 4.83 | 106,595 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,220 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,797 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,510 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,831 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,065 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,193 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,920 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,468 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,880 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,301 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,618 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,654 |
| U.S. States by Borders | 0 | - | 4.63 | 35,058 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,438 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,227 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,122 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,079 |
| North American Sports Cities | 0 | - | 4.83 | 170,853 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,905 |
| Cities in European History #1 | 0 | - | 4.63 | 133,066 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,535 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,186 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,555 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,800 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,457 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,009 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,696 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,161 |
| Name a Valid World City | 0 | - | 4.83 | 70,085 |
| Cities by Former Name | 0 | - | 4.84 | 90,937 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,673 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,223 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,880 |
| World Capitals by Map | 0 | - | 5.00 | 283,086 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,636 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,465 |
| Random Country to Capital | 0 | - | 4.98 | 911,285 |
| Capitals Starting With H | 0 | - | 4.90 | 90,657 |
| Capitals Starting With K | 0 | - | 4.85 | 75,652 |
| Capitals Starting With L | 0 | - | 4.81 | 86,795 |
| Capitals Starting With M | 0 | - | 4.93 | 106,001 |
| Capitals Starting With P | 0 | - | 4.88 | 77,154 |
| Capitals Starting With R | 0 | - | 4.87 | 80,942 |
| Capitals Starting With S | 0 | - | 4.89 | 84,775 |
| Capitals Starting With T | 0 | - | 4.84 | 75,264 |
