| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,519 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,573 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,304 |
| US States and State Capitals | 0 | - | 4.99 | 164,530 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,873 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,715 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,178 |
| Name a City - European Countries | 0 | - | 4.90 | 65,931 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,938 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,850 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,477 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,248 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,232 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,769 |
| Europe Capital to Country | 0 | - | 4.99 | 251,526 |
| Asia Capital to Country | 0 | - | 4.96 | 127,160 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,631 |
| European Capitals by Map | 0 | - | 4.99 | 141,343 |
| African Capitals by Map | 0 | - | 4.99 | 141,305 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,809 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,553 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,618 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,967 |
| European Coastal Capitals | 0 | - | 4.95 | 91,073 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,066 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,702 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,246 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,048 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 148,436 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,567 |
| New York City A-Z | 0 | - | 4.18 | 32,357 |
| Official Cities in the UK | 0 | - | 4.89 | 285,408 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,537 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,423 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,955 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,385 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,802 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,235 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,457 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,758 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,562 |
| Which City in California? | 0 | - | 4.56 | 32,129 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,044 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,659 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,685 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,302 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,847 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,849 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,437 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,217 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,432 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,172 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,431 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,534 |
| Capitals of the Stans | 0 | - | 4.95 | 27,050 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,371 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,294 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,895 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,510 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,588 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,130 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,247 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,315 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,096 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,108 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,709 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,947 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,108 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,243 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,210 |
| Random European Capital to Country | 0 | - | 4.98 | 191,808 |
| Random European Country to Capital | 0 | - | 4.93 | 165,657 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,870 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,251 |
| Random African Capital to Country | 0 | - | 4.97 | 101,141 |
| Random African Country to Capital | 0 | - | 4.94 | 71,600 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,948 |
| Which City in Europe? | 0 | - | 4.83 | 107,749 |
| Which City in Texas? | 0 | - | 4.45 | 25,141 |
| Which City in Florida? | 0 | - | 4.61 | 11,017 |
| Vietnam War Countries | 0 | - | 4.82 | 94,488 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,079 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,320 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,610 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,891 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,958 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,605 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,895 |
| Random U.S. City to State | 0 | - | 4.45 | 76,743 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,387 |
| Find the City #1 | 0 | - | 4.97 | 43,199 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,998 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,888 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,785 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,973 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,905 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,768 |
| Countries by Capital City | 0 | - | 5.00 | 69,048 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,627 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,039 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,030 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,619 |
| Moved Capital Cities | 0 | - | 4.96 | 74,516 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,736 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,242 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,105 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,837 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,753 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,622 |
| Which City in Canada? | 0 | - | 4.83 | 57,259 |
| Boroughs of New York City | 0 | - | 4.47 | 84,857 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,094 |
| Chicago A-Z | 0 | - | 4.25 | 15,541 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,079 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,267 |
| North American Sports Cities | 0 | - | 4.83 | 172,923 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,483 |
| Cities in European History #1 | 0 | - | 4.63 | 134,427 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,420 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,848 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,932 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,187 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,496 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,775 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,320 |
| Name a Valid World City | 0 | - | 4.84 | 71,720 |
| Cities by Former Name | 0 | - | 4.83 | 91,887 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,594 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,870 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,674 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,606 |
| World Capitals by Map | 0 | - | 5.00 | 288,515 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,664 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,009 |
| Random Country to Capital | 0 | - | 4.98 | 925,294 |
| Capitals Starting With H | 0 | - | 4.91 | 92,902 |
| Capitals Starting With K | 0 | - | 4.88 | 83,956 |
| Capitals Starting With L | 0 | - | 4.81 | 88,409 |
| Capitals Starting With M | 0 | - | 4.93 | 108,386 |
| Capitals Starting With P | 0 | - | 4.88 | 78,527 |
| Capitals Starting With R | 0 | - | 4.88 | 82,124 |
| Capitals Starting With S | 0 | - | 4.90 | 86,118 |
| Capitals Starting With T | 0 | - | 4.85 | 76,455 |
| Capitals Starting With W | 0 | - | 4.87 | 91,483 |
| Capitals Starting With A | 0 | - | 4.97 | 128,538 |
| Capitals Starting With B | 0 | - | 4.89 | 118,931 |
| Capitals Starting With D | 0 | - | 4.93 | 96,804 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,828 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,348 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,047 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,655 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,025 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,423 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,278 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,282 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,930 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,687 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,321 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,656 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,727 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,806 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,696 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,482 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,623 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,655 |
| South American Cities on the Map | 0 | - | 4.52 | 35,518 |
| North America Cities by Map | 0 | - | 4.41 | 47,894 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,694 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,019 |
| ALL California Cities | 0 | - | 4.37 | 43,181 |
| Random European City to Country | 0 | - | 4.69 | 118,248 |
| Random Asian City to Country | 0 | - | 4.56 | 44,584 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,476 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,554 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,143 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,755 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,026 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,407 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,312 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,460 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,411 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,089 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,579 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,791 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,618 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,483 |
| Former Capitals | 0 | - | 4.88 | 71,597 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,690 |
| Capital Cities Chain | 0 | - | 4.84 | 83,171 |
| Coldest World Capitals | 0 | - | 4.95 | 134,055 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,798 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,071 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,439 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,422 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,368 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,948 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,772 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,631 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,433 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,273 |
