| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,745 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,254 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,985 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,944 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,687 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,906 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,213 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,701 |
| US States Quiz | 0 | - | 5.00 | 16,856,413 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,584 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,541 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,865 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,678 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,696 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,117 |
| Random U.S. City to State | 0 | - | 4.45 | 76,209 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,725 |
| Name a City - European Countries | 0 | - | 4.90 | 65,305 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,863 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,058 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,359 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,485 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,603 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,179 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,868 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,255 |
| Boroughs of New York City | 0 | - | 4.47 | 84,552 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,010 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,719 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,090 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,107 |
| Draw All US State Borders | 0 | - | 4.99 | 137,167 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 66,456 |
| US States with an Empty Map | 0 | - | 5.00 | 623,990 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,906 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,509 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,069 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,457 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,563 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,984 |
| ALL California Cities | 0 | - | 4.37 | 43,018 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,751 |
| Europe Capital to Country | 0 | - | 4.99 | 249,862 |
| Asia Capital to Country | 0 | - | 4.96 | 126,574 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,753 |
| European Capitals by Map | 0 | - | 4.99 | 138,914 |
| African Capitals by Map | 0 | - | 4.99 | 133,615 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,226 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,991 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,335 |
| European Coastal Capitals | 0 | - | 4.95 | 90,504 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,547 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,608 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,786 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,329 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,792 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,061 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,474 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,286 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,758 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,995 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,913 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,519 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,963 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,577 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,350 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,691 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,915 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,664 |
| Official Cities in the UK | 0 | - | 4.89 | 283,417 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,388 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,707 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,962 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,436 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,346 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,242 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,864 |
| Every City in Alabama on a Map | 0 | - | 4.73 | 8,471 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,461 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.61 | 14,620 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,452 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,396 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,966 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,150 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,139 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,125 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,255 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,001 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 54,899 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,239 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,753 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,709 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,669 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,145 |
| Capitals of the Stans | 0 | - | 4.95 | 26,808 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,570 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,077 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,693 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,370 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,598 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,738 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,026 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,911 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,250 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,421 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 90,310 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,620 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,232 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,059 |
| US States and State Capitals | 0 | - | 4.99 | 161,843 |
| Miami City Trivia | 0 | - | 4.60 | 11,226 |
| All About Atlanta | 0 | - | 4.60 | 11,249 |
| Dallas City Trivia | 0 | - | 4.46 | 6,824 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,040 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,908 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,926 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,536,650 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,361 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,615 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,054 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,165 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,173 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,325 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,701 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,681 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,136 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,301 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,505 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,519 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,899 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,736 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,416 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,061 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,617 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,013 |
| Random European Capital to Country | 0 | - | 4.98 | 190,774 |
| Random European Country to Capital | 0 | - | 4.93 | 164,970 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,367 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,689 |
| Random African Capital to Country | 0 | - | 4.97 | 100,651 |
| Random African Country to Capital | 0 | - | 4.94 | 71,167 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,433 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,749 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,991 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,986 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,481 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,569 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,047 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,096 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,503 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,618 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,719 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,687 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,132 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,680 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,483 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,238 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,002 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,250 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 55,366 |
| Find the City #1 | 0 | - | 4.97 | 42,756 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,623 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,120 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,324 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,397 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,113 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,852 |
| Countries by Capital City | 0 | - | 5.00 | 68,115 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,090 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,574 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,031 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,981 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,081 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,898 |
| Moved Capital Cities | 0 | - | 4.96 | 74,129 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,711 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,955 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,604 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,508 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,636 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,622 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,775 |
| Which City in Europe? | 0 | - | 4.83 | 107,332 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,404 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,311 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,141 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,679,302 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 78,405 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,390,503 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,332 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,089 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,117 |
| Every City in Texas on a Map | 0 | - | 4.37 | 15,355 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,827 |
| North American Sports Cities | 0 | - | 4.83 | 172,268 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,291 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,740 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,547 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,319 |
