| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,232 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,371 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,615 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,596 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,517 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,931 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,031 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,803 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,270 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,165 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,309 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,799 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,192 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,241 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,816 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,985 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,373 |
| US States Quiz | 0 | - | 5.00 | 16,803,895 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,340 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,781 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,141 |
| Random U.S. City to State | 0 | - | 4.45 | 75,870 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,160 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,519 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,583 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,064 |
| Name a City - European Countries | 0 | - | 4.91 | 65,027 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,052 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,552 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,498 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,030 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,049 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,534 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,765 |
| U.S. States By Population | 0 | - | 4.92 | 152,888 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,032 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,237 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,044 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,041 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,368 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,352 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,243 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,795 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,988 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,728 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,619 |
| Boroughs of New York City | 0 | - | 4.47 | 84,401 |
| US States with an Empty Map | 0 | - | 5.00 | 622,123 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,236 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,638 |
| Europe Capital to Country | 0 | - | 4.99 | 249,218 |
| Asia Capital to Country | 0 | - | 4.96 | 126,311 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,367 |
| European Capitals by Map | 0 | - | 4.99 | 138,124 |
| African Capitals by Map | 0 | - | 4.99 | 133,021 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,857 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,738 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,104 |
| European Coastal Capitals | 0 | - | 4.95 | 90,237 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,408 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,639 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,196 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,660 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,010 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,536 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,232 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,691 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,363 |
| ALL California Cities | 0 | - | 4.37 | 42,957 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,433 |
| World Capitals Quiz | 0 | - | 5.00 | 5,056,019 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,143 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,656 |
| Official Cities in the UK | 0 | - | 4.89 | 282,553 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,201 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,647 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,116 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,807 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,809 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,595 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,997 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,952 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,082 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,151 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,098 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,159 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,878 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,461 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,924 |
| Capitals of the Stans | 0 | - | 4.95 | 26,668 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,030 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,538 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,354 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,037 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,729 |
| American TV Show Settings | 0 | - | 4.35 | 30,621 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,796 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,525 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,698 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,842 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,976 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,601 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,208 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,039 |
| US States and State Capitals | 0 | - | 4.99 | 160,683 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,180 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,707 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,319 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,664 |
| States of Mexico | 0 | - | 4.95 | 175,146 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,393 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,333 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,858 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,920 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,108 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,415 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,268 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,940 |
| South American Cities on the Map | 0 | - | 4.56 | 35,338 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,632 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,496 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,724 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,508 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,733 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,131 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,158 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,746 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,350 |
| Countries by Capital City | 0 | - | 5.00 | 67,671 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,846 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,342 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,146 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,819 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,400 |
| Moved Capital Cities | 0 | - | 4.96 | 73,953 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,447 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,276 |
| Random European Capital to Country | 0 | - | 4.98 | 190,374 |
| Random European Country to Capital | 0 | - | 4.93 | 163,082 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,002 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,122 |
| Random African Capital to Country | 0 | - | 4.97 | 100,303 |
| Random African Country to Capital | 0 | - | 4.94 | 70,878 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,724 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,157 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,384 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,220 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,871 |
| Pixelated United States Map | 0 | - | 4.89 | 93,939 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,931 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,564 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,850 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,347 |
| Which City in Europe? | 0 | - | 4.83 | 107,084 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,346 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,993 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,334 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,195 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,501 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,040 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,265 |
| New England States | 0 | - | 4.51 | 59,767 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,697 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,965 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,617 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,880 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,827 |
| U.S. States by Borders | 0 | - | 4.61 | 35,232 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 184,535 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,390 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,890 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,525 |
| North American Sports Cities | 0 | - | 4.83 | 171,574 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,090 |
| Cities in European History #1 | 0 | - | 4.63 | 133,639 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,683 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,280 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,671 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,849 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,518 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,086 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,125 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,563 |
| Name a Valid World City | 0 | - | 4.83 | 70,773 |
| Cities by Former Name | 0 | - | 4.84 | 91,335 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,266 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,493 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,693 |
| World Capitals by Map | 0 | - | 5.00 | 285,139 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,047 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,911 |
| Random Country to Capital | 0 | - | 4.98 | 916,435 |
| Capitals Starting With H | 0 | - | 4.90 | 91,835 |
| Capitals Starting With K | 0 | - | 4.85 | 76,026 |
| Capitals Starting With L | 0 | - | 4.81 | 87,246 |
| Capitals Starting With M | 0 | - | 4.93 | 106,722 |
| Capitals Starting With P | 0 | - | 4.88 | 77,532 |
| Capitals Starting With R | 0 | - | 4.87 | 81,302 |
| Capitals Starting With S | 0 | - | 4.89 | 85,157 |
| Capitals Starting With T | 0 | - | 4.84 | 75,642 |
