| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,518 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,572 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,298 |
| US States and State Capitals | 0 | - | 4.99 | 164,515 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,837 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,713 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,176 |
| Name a City - European Countries | 0 | - | 4.90 | 65,927 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,910 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,838 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,473 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,248 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,229 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,767 |
| Europe Capital to Country | 0 | - | 4.99 | 251,518 |
| Asia Capital to Country | 0 | - | 4.96 | 127,158 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,627 |
| European Capitals by Map | 0 | - | 4.99 | 141,329 |
| African Capitals by Map | 0 | - | 4.99 | 141,289 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,800 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,550 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,612 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,966 |
| European Coastal Capitals | 0 | - | 4.95 | 91,070 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,066 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,699 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,243 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,048 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 148,218 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,565 |
| New York City A-Z | 0 | - | 4.18 | 32,356 |
| Official Cities in the UK | 0 | - | 4.89 | 285,402 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,537 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,416 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,953 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,384 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,798 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,233 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,456 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,756 |
| 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 | 629,009 |
| 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 | 150,293 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,842 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,730 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,437 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,214 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,432 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,171 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,427 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,534 |
| Capitals of the Stans | 0 | - | 4.95 | 27,049 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,368 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,284 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,894 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,509 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,587 |
| 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 | 1,595,268 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,091 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,108 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,707 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,944 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,107 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,243 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,209 |
| Random European Capital to Country | 0 | - | 4.98 | 191,806 |
| Random European Country to Capital | 0 | - | 4.93 | 165,655 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,868 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,250 |
| Random African Capital to Country | 0 | - | 4.97 | 101,141 |
| Random African Country to Capital | 0 | - | 4.94 | 71,590 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,947 |
| Which City in Europe? | 0 | - | 4.83 | 107,746 |
| 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 | 49,077 |
| 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 | 48,887 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,956 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,604 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,895 |
| Random U.S. City to State | 0 | - | 4.45 | 76,741 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,387 |
| Find the City #1 | 0 | - | 4.97 | 43,196 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,994 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,883 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,782 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,969 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,902 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,758 |
| Countries by Capital City | 0 | - | 5.00 | 69,042 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,623 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,037 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,027 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,616 |
| Moved Capital Cities | 0 | - | 4.96 | 74,514 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,735 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,236 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,104 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,837 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,752 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,620 |
| Which City in Canada? | 0 | - | 4.83 | 57,258 |
| Boroughs of New York City | 0 | - | 4.47 | 84,856 |
| 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 | 94,078 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,265 |
| North American Sports Cities | 0 | - | 4.83 | 172,919 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,483 |
| Cities in European History #1 | 0 | - | 4.63 | 134,424 |
| 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 | 40,931 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,186 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,496 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,771 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,318 |
| Name a Valid World City | 0 | - | 4.84 | 71,715 |
| Cities by Former Name | 0 | - | 4.83 | 91,886 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,593 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,868 |
| 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 | 288,507 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,662 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,941 |
| Random Country to Capital | 0 | - | 4.98 | 925,267 |
| Capitals Starting With H | 0 | - | 4.91 | 92,897 |
| Capitals Starting With K | 0 | - | 4.88 | 83,955 |
| Capitals Starting With L | 0 | - | 4.81 | 88,408 |
| Capitals Starting With M | 0 | - | 4.93 | 108,380 |
| Capitals Starting With P | 0 | - | 4.88 | 78,525 |
| Capitals Starting With R | 0 | - | 4.88 | 82,122 |
| Capitals Starting With S | 0 | - | 4.90 | 86,117 |
| Capitals Starting With T | 0 | - | 4.85 | 76,451 |
| Capitals Starting With W | 0 | - | 4.87 | 91,481 |
| Capitals Starting With A | 0 | - | 4.97 | 128,534 |
| Capitals Starting With B | 0 | - | 4.89 | 118,929 |
| Capitals Starting With D | 0 | - | 4.93 | 96,802 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,824 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,346 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,046 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,653 |
| 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 | 193,267 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,279 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,922 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,682 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,316 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,654 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,725 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,804 |
| 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 | 46,621 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,652 |
| 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 | 46,691 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,013 |
| ALL California Cities | 0 | - | 4.37 | 43,180 |
| Random European City to Country | 0 | - | 4.69 | 118,244 |
| Random Asian City to Country | 0 | - | 4.56 | 44,584 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,471 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,553 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,139 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,752 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,026 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,404 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,308 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,459 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,409 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,088 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,579 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,789 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,615 |
| 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 | 83,167 |
| Coldest World Capitals | 0 | - | 4.95 | 134,053 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,797 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,070 |
| 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 | 77,945 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,770 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,630 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,432 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,271 |
