| US States and State Capitals | 0 | - | 4.99 | 161,605 |
| Random U.S. Sports Team to State | 0 | - | 4.33 | 26,939 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,591 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,625 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,928 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,403 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,900 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 48,003 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,410 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,054 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,837 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,714 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,404 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,056 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,880 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,090 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,801 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,026 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,159 |
| Which City in California? | 0 | - | 4.56 | 32,005 |
| U.S. Senators by State | 0 | - | 4.45 | 39,920 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,844 |
| North American Sports Cities | 0 | - | 4.83 | 172,025 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,274 |
| Name a City - European Countries | 0 | - | 4.90 | 65,260 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,423 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,604 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,890 |
| New York City A-Z | 0 | - | 4.18 | 32,286 |
| Olympic Host Countries | 0 | - | 4.98 | 200,498 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,433 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,083 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 144,765 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,302 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,801 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,490 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,956 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,352 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,154 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,044 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,566 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,492 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,741 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,907 |
| Europe Capital to Country | 0 | - | 4.99 | 249,728 |
| Asia Capital to Country | 0 | - | 4.96 | 126,529 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,688 |
| European Capitals by Map | 0 | - | 4.99 | 138,776 |
| African Capitals by Map | 0 | - | 4.99 | 133,472 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,690 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,153 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,945 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,292 |
| European Coastal Capitals | 0 | - | 4.95 | 90,445 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,524 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,440 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,695 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,772 |
| Which City in New York State? | 0 | - | 4.60 | 15,955 |
| Which City in Texas? | 0 | - | 4.45 | 25,065 |
| Which City in Florida? | 0 | - | 4.61 | 10,983 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,727 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,957 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,052 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,300 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,573 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,627 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,119 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,696 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,373 |
| Official Cities in the UK | 0 | - | 4.89 | 283,240 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,287 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,012 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,461 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,260 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,880 |
| Random U.S. City to State | 0 | - | 4.45 | 76,184 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,211 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,048 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,406 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,233 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,658 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,944 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,321 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,336 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,938 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,068 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,742 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,108 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,192 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,174 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 54,857 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,078 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,214 |
| Vietnam War Countries | 0 | - | 4.82 | 94,123 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,303 |
| US States Quiz | 0 | - | 5.00 | 16,844,871 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,451 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,724 |
| Capitals of the Stans | 0 | - | 4.95 | 26,780 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,090 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,323 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,088 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,275 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,638 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,590 |
| Biggest Cities in California | 0 | - | 4.35 | 139,755 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,051 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,612 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,367 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,224 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,732 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,250 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,162 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,727 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,541 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,289 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,969 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,466 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,583 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,667 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,935 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,537 |
| Random European Capital to Country | 0 | - | 4.98 | 190,705 |
| Random European Country to Capital | 0 | - | 4.93 | 164,853 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,323 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,653 |
| Random African Capital to Country | 0 | - | 4.97 | 100,544 |
| Random African Country to Capital | 0 | - | 4.94 | 71,120 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,907 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,018 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,754 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,658 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,048 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,617 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,910 |
| Which City in Europe? | 0 | - | 4.83 | 107,250 |
| Boroughs of New York City | 0 | - | 4.47 | 84,525 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,998 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,508 |
| Merged U.S. States | 0 | - | 4.37 | 44,111 |
| Draw All US State Borders | 0 | - | 4.99 | 136,896 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 66,352 |
| US States with an Empty Map | 0 | - | 5.00 | 623,665 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,701 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,823 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,235 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,254 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,833 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,777 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,057 |
| U.S. States By Population | 0 | - | 4.92 | 153,269 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,271 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,360 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,451 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,994 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,183 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,133 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,510 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,359 |
| California A-Z | 0 | - | 4.49 | 28,779 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,096 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,691,186 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,966 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,253 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,140 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,705 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,861 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,603 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,898 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,964 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,553 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,165 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,400 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,872 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 26,998 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,007 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,653 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,436 |
| ALL California Cities | 0 | - | 4.37 | 43,003 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,400 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,336 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,223 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,840 |
| Every City in Alabama on a Map | 0 | - | 4.73 | 8,461 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,454 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,446 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,353 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,311 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,136 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,718 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,179 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,206 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,907 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,504 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,951 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,558 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,389 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,150 |
| Which City in Canada? | 0 | - | 4.82 | 56,981 |
