| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,770 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,754 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,063 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,977 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,782 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,130 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,124 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,072 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,119 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,568 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,440 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,198 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,563 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,322 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,558 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,916 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,078 |
| US States Quiz | 0 | - | 5.00 | 16,867,105 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,069 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,954 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,874 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,313 |
| Random U.S. City to State | 0 | - | 4.45 | 76,274 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,265 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,719 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,311 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,548 |
| Name a City - European Countries | 0 | - | 4.90 | 65,340 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,429 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,824 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,374 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,384 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,943 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,225 |
| U.S. States By Population | 0 | - | 4.92 | 153,510 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,398 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,421 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,259 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,195 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,585 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,432 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,965 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,031 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,770 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,681 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,394 |
| Boroughs of New York City | 0 | - | 4.47 | 84,581 |
| US States with an Empty Map | 0 | - | 5.00 | 624,326 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,619 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,055 |
| Europe Capital to Country | 0 | - | 4.99 | 249,982 |
| Asia Capital to Country | 0 | - | 4.96 | 126,629 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,820 |
| European Capitals by Map | 0 | - | 4.99 | 139,054 |
| African Capitals by Map | 0 | - | 4.99 | 133,733 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,329 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,039 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,390 |
| European Coastal Capitals | 0 | - | 4.95 | 90,560 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,570 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,805 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,887 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,815 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,974 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,140 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,477 |
| ALL California Cities | 0 | - | 4.37 | 43,041 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,451 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,460 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,807 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,960 |
| Official Cities in the UK | 0 | - | 4.89 | 283,591 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,469 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,612 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,435 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,004 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,212 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,807 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,157 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,328 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,269 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,383 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,145 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,191 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,922 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,542 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,967 |
| Capitals of the Stans | 0 | - | 4.95 | 26,830 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,121 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,579 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,395 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,663 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,991 |
| American TV Show Settings | 0 | - | 4.35 | 30,644 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,120 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,539 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,759 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,332 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,137 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,622 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,233 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,063 |
| US States and State Capitals | 0 | - | 4.99 | 162,147 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,596 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,891 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,701 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,921 |
| States of Mexico | 0 | - | 4.95 | 175,932 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,821 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,374 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,747 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,231 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,224 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,358 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,746 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,759 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,177 |
| South American Cities on the Map | 0 | - | 4.53 | 35,418 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,073 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,526 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,749 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,525 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,201 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,371 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,454 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,181 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,932 |
| Countries by Capital City | 0 | - | 5.00 | 68,204 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,137 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,618 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,267 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,153 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,503 |
| Moved Capital Cities | 0 | - | 4.96 | 74,175 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,639 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,545 |
| Random European Capital to Country | 0 | - | 4.98 | 190,837 |
| Random European Country to Capital | 0 | - | 4.93 | 165,064 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,428 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,733 |
| Random African Capital to Country | 0 | - | 4.97 | 100,684 |
| Random African Country to Capital | 0 | - | 4.94 | 71,182 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,022 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,118 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,618 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,728 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,369 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,303 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,508 |
| Pixelated United States Map | 0 | - | 4.87 | 94,242 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,991 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,732 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,973 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,664 |
| Which City in Europe? | 0 | - | 4.83 | 107,367 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,422 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,389 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,374 |
| Countries that Beat Canada | 0 | - | 4.91 | 96,542 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,730 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,163 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,449 |
| New England States | 0 | - | 4.51 | 59,805 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,794 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,006 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,799 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,989 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,915 |
| U.S. States by Borders | 0 | - | 4.61 | 35,304 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,638 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,475 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,028 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,878 |
| North American Sports Cities | 0 | - | 4.83 | 172,335 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,311 |
| Cities in European History #1 | 0 | - | 4.63 | 133,959 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,751 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,337 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,740 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,882 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,556 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,120 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,364 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,789 |
| Name a Valid World City | 0 | - | 4.83 | 71,152 |
| Cities by Former Name | 0 | - | 4.83 | 91,545 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,380 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,639 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,141 |
| World Capitals by Map | 0 | - | 5.00 | 286,264 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,270 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,566 |
| Random Country to Capital | 0 | - | 4.98 | 920,094 |
| Capitals Starting With H | 0 | - | 4.91 | 92,519 |
| Capitals Starting With K | 0 | - | 4.88 | 83,399 |
| Capitals Starting With L | 0 | - | 4.81 | 88,036 |
| Capitals Starting With M | 0 | - | 4.93 | 107,727 |
| Capitals Starting With P | 0 | - | 4.88 | 78,162 |
| Capitals Starting With R | 0 | - | 4.87 | 81,794 |
| Capitals Starting With S | 0 | - | 4.90 | 85,745 |
