| Word Scramble - U.S. States | 0 | - | 4.95 | 502,270 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,310 |
| US States and State Capitals | 0 | - | 4.99 | 158,800 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,483 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,835 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,051 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,277 |
| Which City in Canada? | 0 | - | 4.82 | 56,724 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,488 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,772 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,455 |
| Random European Capital to Country | 0 | - | 4.98 | 189,335 |
| Random European Country to Capital | 0 | - | 4.92 | 147,553 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,444 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,519 |
| Random African Capital to Country | 0 | - | 4.97 | 99,773 |
| Random African Country to Capital | 0 | - | 4.94 | 70,285 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,058 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,129 |
| Name a City - European Countries | 0 | - | 4.92 | 64,506 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,302 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,670 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,911 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,577 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,903 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,420 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,958 |
| Europe Capital to Country | 0 | - | 4.99 | 248,100 |
| Asia Capital to Country | 0 | - | 4.96 | 125,825 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,596 |
| European Capitals by Map | 0 | - | 4.99 | 136,557 |
| African Capitals by Map | 0 | - | 4.99 | 132,273 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,295 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,292 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,705 |
| European Coastal Capitals | 0 | - | 4.95 | 89,846 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,218 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,102 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,029 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,451 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,622 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,120 |
| California... or Florida? | 0 | - | 4.60 | 51,005 |
| Official Cities in the UK | 0 | - | 4.89 | 280,801 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,828 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,571 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,120 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,714 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,477 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,205 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,233 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,754 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,553 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 54,303 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,816 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,591 |
| U.S. State Flags | 0 | - | 4.89 | 167,437 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,470 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,295 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,139 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,853 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,602 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,448 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,711 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,676 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,921 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,074 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,622 |
| Which City in California? | 0 | - | 4.56 | 31,913 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,717 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,519 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,101 |
| Capitals of the Stans | 0 | - | 4.95 | 26,451 |
| ALL California Cities | 0 | - | 4.37 | 42,832 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,147 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,551 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,229 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,137 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,239 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,351 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,383 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,857 |
| Which City in the United States? | 0 | - | 4.21 | 56,739 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,901 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,634 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,784 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,514 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,500 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,679 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,490 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,871 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,779 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,713 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,622 |
| Random U.S. City to State | 0 | - | 4.45 | 75,417 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,830 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,034 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,246 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,645 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,818 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,800 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,286 |
| Which City in Europe? | 0 | - | 4.83 | 106,771 |
| Random Point on Land to US State | 0 | - | 4.57 | 68,633 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,619 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,565 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,886 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,467 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,547 |
| Find the City #1 | 0 | - | 4.97 | 42,174 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,050 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,715 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,666 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,726 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,558 |
| Countries by Capital City | 0 | - | 5.00 | 66,773 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,399 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,956 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,448 |
| Moved Capital Cities | 0 | - | 4.96 | 73,630 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,988 |
| Random Country to Capital | 0 | - | 4.98 | 912,208 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,545 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,921 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,663 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,534 |
| Boroughs of New York City | 0 | - | 4.47 | 84,141 |
| Seattle City Trivia | 0 | - | 4.20 | 26,250 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,785 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,343 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,866 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 619,164 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,626 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,173 |
| North American Sports Cities | 0 | - | 4.83 | 170,983 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,937 |
| Cities in European History #1 | 0 | - | 4.63 | 133,218 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,211 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,580 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,815 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,024 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,446 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,766 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,789 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,229 |
| Name a Valid World City | 0 | - | 4.83 | 70,211 |
| Cities by Former Name | 0 | - | 4.84 | 91,030 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,715 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,267 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,903 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,045 |
| World Capitals by Map | 0 | - | 5.00 | 283,493 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,722 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,285 |
| All First Level Subdivision Capitals | 0 | - | 4.84 | 14,985 |
| World Capitals Mystery Route | 0 | - | 4.97 | 54,712 |
| Capitals Starting With H | 0 | - | 4.90 | 91,268 |
| Capitals Starting With K | 0 | - | 4.85 | 75,736 |
| Capitals Starting With L | 0 | - | 4.81 | 86,904 |
| Capitals Starting With M | 0 | - | 4.93 | 106,173 |
| Capitals Starting With P | 0 | - | 4.88 | 77,248 |
| Capitals Starting With R | 0 | - | 4.87 | 81,023 |
| Capitals Starting With S | 0 | - | 4.89 | 84,867 |
| Capitals Starting With T | 0 | - | 4.84 | 75,349 |
| Capitals Starting With W | 0 | - | 4.89 | 90,662 |
| Capitals Starting With A | 0 | - | 4.97 | 126,623 |
| Capitals Starting With B | 0 | - | 4.89 | 117,365 |
| Capitals Starting With D | 0 | - | 4.93 | 95,458 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,933 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,682 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,341 |
| Which City in Latin America? | 0 | - | 4.63 | 46,867 |
| Which City in Australia? | 0 | - | 4.67 | 34,266 |
| New York City A-Z | 0 | - | 4.18 | 32,198 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,467 |
| Hawaiian Islands | 0 | - | 4.83 | 42,446 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,640 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,103 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,520,189 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,686 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,636 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,268 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,087 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,107 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,942 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,043 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,856 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,950 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,901 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,681 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,335 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,409 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,177 |
| North America Cities by Map | 0 | - | 4.41 | 47,633 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,256 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,249 |
| Random European City to Country | 0 | - | 4.69 | 116,721 |
| Random Asian City to Country | 0 | - | 4.56 | 44,400 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,764 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,133 |
