| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,393 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,763 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,724 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,962 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,092 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,544 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,891 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,402 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,365 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,407 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,456 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,277 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,411 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,707 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,722 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,599 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,807 |
| US States Quiz | 0 | - | 5.00 | 16,701,793 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,279 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,602 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,682 |
| Random U.S. City to State | 0 | - | 4.45 | 75,325 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,205 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,303 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,933 |
| Name a City - European Countries | 0 | - | 4.92 | 64,398 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,456 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,362 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,741 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,368 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,424 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,678 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,919 |
| U.S. States By Population | 0 | - | 4.92 | 152,378 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,408 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,868 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,559 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,766 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,889 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,283 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,837 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,520 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,914 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,658 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,528 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,340 |
| Boroughs of New York City | 0 | - | 4.47 | 84,101 |
| US States with an Empty Map | 0 | - | 5.00 | 618,868 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,363 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,822 |
| Europe Capital to Country | 0 | - | 4.99 | 247,911 |
| Asia Capital to Country | 0 | - | 4.96 | 125,763 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,462 |
| European Capitals by Map | 0 | - | 4.99 | 136,290 |
| African Capitals by Map | 0 | - | 4.99 | 132,188 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,139 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,194 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,618 |
| European Coastal Capitals | 0 | - | 4.95 | 89,762 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,190 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,817 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,812 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,151 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,010 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,927 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,423 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,720 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,593 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,956 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,152 |
| ALL California Cities | 0 | - | 4.37 | 42,816 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,388 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,536 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,725 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,071 |
| Official Cities in the UK | 0 | - | 4.89 | 280,548 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,800 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,887 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,126 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,184 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,455 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,765 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,801 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,033 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,124 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,790 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,337 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,849 |
| Capitals of the Stans | 0 | - | 4.95 | 26,409 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,794 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,279 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,129 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,196 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,205 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,947 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,603 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,844 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,669 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,561 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,965 |
| US States and State Capitals | 0 | - | 4.99 | 158,550 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,664 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,940 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,801 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,999 |
| States of Mexico | 0 | - | 4.95 | 173,356 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,038 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,276 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,284 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,452 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,736 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,793 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,506 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,539 |
| South American Cities on the Map | 0 | - | 4.57 | 35,244 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,770 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,439 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,634 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,643 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,471 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,954 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,655 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,607 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,632 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,452 |
| Countries by Capital City | 0 | - | 5.00 | 66,659 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,336 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,907 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,417 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,411 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,199 |
| Moved Capital Cities | 0 | - | 4.96 | 73,590 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,075 |
| Random European Capital to Country | 0 | - | 4.98 | 189,218 |
| Random European Country to Capital | 0 | - | 4.92 | 147,456 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,403 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,422 |
| Random African Capital to Country | 0 | - | 4.97 | 99,740 |
| Random African Country to Capital | 0 | - | 4.94 | 70,236 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,191 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,792 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,475 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,858 |
| Pixelated United States Map | 0 | - | 4.89 | 93,488 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,803 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,273 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,636 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,821 |
| Which City in Europe? | 0 | - | 4.83 | 106,624 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,230 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,876 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,585 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,854 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,103 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,809 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,197 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,939 |
| New England States | 0 | - | 4.51 | 59,707 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,475 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,883 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,324 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,643 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,665 |
| U.S. States by Borders | 0 | - | 4.63 | 35,072 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,594 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,243 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,140 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,119 |
| North American Sports Cities | 0 | - | 4.83 | 170,911 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,920 |
| Cities in European History #1 | 0 | - | 4.63 | 133,130 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,549 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,196 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,566 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,462 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,015 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,736 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,187 |
| Name a Valid World City | 0 | - | 4.83 | 70,134 |
| Cities by Former Name | 0 | - | 4.84 | 90,976 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,692 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,246 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,954 |
| World Capitals by Map | 0 | - | 5.00 | 283,215 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,677 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,007 |
| Random Country to Capital | 0 | - | 4.98 | 911,636 |
| Capitals Starting With H | 0 | - | 4.90 | 90,997 |
| Capitals Starting With K | 0 | - | 4.85 | 75,694 |
| Capitals Starting With L | 0 | - | 4.81 | 86,844 |
| Capitals Starting With M | 0 | - | 4.93 | 106,071 |
| Capitals Starting With P | 0 | - | 4.88 | 77,199 |
| Capitals Starting With R | 0 | - | 4.87 | 80,980 |
| Capitals Starting With S | 0 | - | 4.89 | 84,812 |
| Capitals Starting With T | 0 | - | 4.84 | 75,302 |
