| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,881 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,078 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,215 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,040 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,937 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,403 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,477 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,299 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,989 |
| Name a City - European Countries | 0 | - | 4.90 | 65,625 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,756 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,808 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,310 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,186 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,964 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,399 |
| Europe Capital to Country | 0 | - | 4.99 | 250,892 |
| Asia Capital to Country | 0 | - | 4.96 | 126,877 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,209 |
| European Capitals by Map | 0 | - | 4.99 | 139,983 |
| African Capitals by Map | 0 | - | 4.99 | 134,177 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,600 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,641 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,300 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,641 |
| European Coastal Capitals | 0 | - | 4.95 | 90,824 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,677 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,874 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,563 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,927 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,927 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,242 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,717 |
| Official Cities in the UK | 0 | - | 4.89 | 284,522 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,600 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,715 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,213 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,531 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,037 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,301 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,554 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,416 |
| US States and State Capitals | 0 | - | 4.99 | 163,537 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,808 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,320 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,617 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,390 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,462 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,317 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,682 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,275 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,254 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,736 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,300 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,117 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,244 |
| Capitals of the Stans | 0 | - | 4.95 | 26,920 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,980 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,449 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,863 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,426 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,844 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,025 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,162 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,970 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,783 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,044 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,593 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,801 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,940 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,085 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,935 |
| Random European Capital to Country | 0 | - | 4.98 | 191,473 |
| Random European Country to Capital | 0 | - | 4.93 | 165,396 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,612 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,009 |
| Random African Capital to Country | 0 | - | 4.97 | 100,922 |
| Random African Country to Capital | 0 | - | 4.94 | 71,385 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,547 |
| Which City in Europe? | 0 | - | 4.83 | 107,570 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,849 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,730 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,254 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,415 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,821 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,579 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,583 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,794 |
| Random U.S. City to State | 0 | - | 4.45 | 76,551 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,333 |
| Find the City #1 | 0 | - | 4.97 | 42,985 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,860 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,554 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,560 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,697 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,512 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,337 |
| Countries by Capital City | 0 | - | 5.00 | 68,652 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,384 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,827 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,166 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,422 |
| Moved Capital Cities | 0 | - | 4.96 | 74,355 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,643 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,146 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,077 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,806 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,721 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,417 |
| Which City in Canada? | 0 | - | 4.83 | 57,148 |
| Boroughs of New York City | 0 | - | 4.47 | 84,715 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,049 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,969 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,799 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,078 |
| North American Sports Cities | 0 | - | 4.83 | 172,656 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,400 |
| Cities in European History #1 | 0 | - | 4.63 | 134,218 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,386 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,799 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,904 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,153 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,558 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,026 |
| Name a Valid World City | 0 | - | 4.83 | 71,476 |
| Cities by Former Name | 0 | - | 4.83 | 91,733 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,489 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,761 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,569 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,409 |
| World Capitals by Map | 0 | - | 5.00 | 287,481 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,480 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,813 |
| Random Country to Capital | 0 | - | 4.98 | 922,863 |
| Capitals Starting With H | 0 | - | 4.91 | 92,730 |
| Capitals Starting With K | 0 | - | 4.88 | 83,775 |
| Capitals Starting With L | 0 | - | 4.81 | 88,255 |
| Capitals Starting With M | 0 | - | 4.93 | 108,079 |
| Capitals Starting With P | 0 | - | 4.88 | 78,351 |
| Capitals Starting With R | 0 | - | 4.87 | 81,983 |
| Capitals Starting With S | 0 | - | 4.90 | 85,957 |
| Capitals Starting With T | 0 | - | 4.84 | 76,312 |
| Capitals Starting With W | 0 | - | 4.86 | 91,400 |
| Capitals Starting With A | 0 | - | 4.97 | 128,300 |
| Capitals Starting With B | 0 | - | 4.89 | 118,719 |
| Capitals Starting With D | 0 | - | 4.93 | 96,636 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,769 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,274 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,990 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,589 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,998 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,414 |
| Chicago A-Z | 0 | - | 4.25 | 15,524 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,221 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,485 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,346 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,254 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,673 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,356 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,582 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,558 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,169 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,782 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,644 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,058 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,733 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,628 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,470 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,579 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,576 |
| South American Cities on the Map | 0 | - | 4.53 | 35,471 |
| North America Cities by Map | 0 | - | 4.41 | 47,850 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,196 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,514 |
| ALL California Cities | 0 | - | 4.37 | 43,107 |
| Random European City to Country | 0 | - | 4.69 | 117,900 |
| Random Asian City to Country | 0 | - | 4.56 | 44,561 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,102 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,496 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,976 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,570 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,926 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,951 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,488 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,186 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,413 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,341 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,974 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,426 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,468 |
| Former Capitals | 0 | - | 4.88 | 71,521 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,614 |
| Capital Cities Chain | 0 | - | 4.83 | 82,959 |
| Coldest World Capitals | 0 | - | 4.95 | 133,660 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,734 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,687 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,393 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,301 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,252 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,778 |
