| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,145 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,623 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,468 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,756 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,960 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,451 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,837 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,321 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,247 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,286 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,115 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,910 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,677 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,626 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,553 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,773 |
| US States Quiz | 0 | - | 5.00 | 16,684,169 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,118 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,577 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,611 |
| Random U.S. City to State | 0 | - | 4.45 | 75,235 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,133 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,575 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,026 |
| Name a City - European Countries | 0 | - | 4.92 | 64,289 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,341 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,777 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,618 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,261 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,315 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,534 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,802 |
| U.S. States By Population | 0 | - | 4.92 | 152,288 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,296 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,795 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,469 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,726 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,802 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,510 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,764 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,469 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,885 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,634 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,494 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,336 |
| Boroughs of New York City | 0 | - | 4.47 | 84,067 |
| US States with an Empty Map | 0 | - | 5.00 | 618,307 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,266 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,681 |
| Europe Capital to Country | 0 | - | 4.99 | 247,345 |
| Asia Capital to Country | 0 | - | 4.96 | 125,648 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,334 |
| European Capitals by Map | 0 | - | 4.99 | 136,014 |
| African Capitals by Map | 0 | - | 4.99 | 132,081 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,001 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,090 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,540 |
| European Coastal Capitals | 0 | - | 4.95 | 89,671 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,152 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,462 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,598 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,387 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,899 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,581 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,483 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,817 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,108 |
| ALL California Cities | 0 | - | 4.36 | 42,802 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,381 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,085 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,503 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,965 |
| Official Cities in the UK | 0 | - | 4.89 | 280,266 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,465 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,732 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,603 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,571 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,349 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,093 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,654 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,385 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,721 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,758 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,021 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,117 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,312 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,836 |
| Capitals of the Stans | 0 | - | 4.95 | 26,376 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,764 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,450 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,543 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,118 |
| American TV Show Settings | 0 | - | 4.35 | 30,584 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,110 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,725 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,586 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,720 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,620 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,558 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,142 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,002 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,188 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,562 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,078 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,703 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,376 |
| States of Mexico | 0 | - | 4.95 | 173,136 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,653 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,265 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,160 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,383 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,632 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,660 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,356 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,469 |
| South American Cities on the Map | 0 | - | 4.57 | 35,235 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,624 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,429 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,628 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,837 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,584 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,536 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,501 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,263 |
| Countries by Capital City | 0 | - | 5.00 | 66,499 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,240 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,829 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,064 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,357 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Moved Capital Cities | 0 | - | 4.96 | 73,532 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,964 |
| Random European Capital to Country | 0 | - | 4.98 | 189,086 |
| Random European Country to Capital | 0 | - | 4.92 | 147,361 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,338 |
| Random African Capital to Country | 0 | - | 4.97 | 99,683 |
| Random African Country to Capital | 0 | - | 4.94 | 70,163 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,116 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,659 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,336 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,756 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,273 |
| Pixelated United States Map | 0 | - | 4.89 | 93,382 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,780 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,583 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,759 |
| Which City in Europe? | 0 | - | 4.83 | 106,563 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,209 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,306 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,419 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,803 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,007 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,778 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,887 |
| New England States | 0 | - | 4.51 | 59,700 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,438 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,877 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,274 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,601 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,643 |
| U.S. States by Borders | 0 | - | 4.63 | 35,050 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,327 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,215 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,097 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,046 |
| North American Sports Cities | 0 | - | 4.83 | 170,794 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,889 |
| Cities in European History #1 | 0 | - | 4.63 | 132,995 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,524 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,178 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,548 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,794 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,451 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,003 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,656 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,133 |
| Name a Valid World City | 0 | - | 4.83 | 70,024 |
| Cities by Former Name | 0 | - | 4.84 | 90,889 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,647 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,199 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,817 |
| World Capitals by Map | 0 | - | 5.00 | 282,926 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,610 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,699 |
| Random Country to Capital | 0 | - | 4.98 | 910,783 |
| Capitals Starting With H | 0 | - | 4.90 | 89,919 |
| Capitals Starting With K | 0 | - | 4.85 | 75,573 |
| Capitals Starting With L | 0 | - | 4.81 | 86,703 |
| Capitals Starting With M | 0 | - | 4.93 | 105,880 |
| Capitals Starting With P | 0 | - | 4.88 | 77,079 |
| Capitals Starting With R | 0 | - | 4.87 | 80,870 |
| Capitals Starting With S | 0 | - | 4.89 | 84,691 |
| Capitals Starting With T | 0 | - | 4.84 | 75,201 |
| Capitals Starting With W | 0 | - | 4.89 | 90,518 |
| Capitals Starting With A | 0 | - | 4.97 | 126,393 |
| Capitals Starting With B | 0 | - | 4.89 | 117,156 |
