| New York City A-Z | 0 | - | 4.18 | 32,188 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,882 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,052 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,307 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,715 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,650 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,264 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,995 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,635 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,184 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,931 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,464 |
| Name a City - European Countries | 0 | - | 4.92 | 64,355 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,514 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,875 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,904 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,056 |
| Which City in California? | 0 | - | 4.56 | 31,876 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,323 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,771 |
| Europe Capital to Country | 0 | - | 4.99 | 247,526 |
| Asia Capital to Country | 0 | - | 4.96 | 125,717 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,411 |
| European Capitals by Map | 0 | - | 4.99 | 136,188 |
| African Capitals by Map | 0 | - | 4.99 | 132,119 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,103 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,154 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,583 |
| European Coastal Capitals | 0 | - | 4.95 | 89,716 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,173 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,705 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,710 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,409 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,320 |
| Official Cities in the UK | 0 | - | 4.89 | 280,440 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,656 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,654 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,085 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,204 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,462 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,179 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,127 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,783 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,637 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,391 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,086 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,158 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,685 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,689 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,418 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,747 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,171 |
| Which City in Texas? | 0 | - | 4.45 | 24,969 |
| Which City in Florida? | 0 | - | 4.61 | 10,922 |
| California A-Z | 0 | - | 4.49 | 28,703 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,402 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,170 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,870 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,774 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,959 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,380 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,480 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,800 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,501 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,153 |
| US States and State Capitals | 0 | - | 4.99 | 158,408 |
| Capitals of the Stans | 0 | - | 4.95 | 26,398 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,708 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,456 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,676 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,586 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,175 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,791 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,387 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,514 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,413 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,149 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,005 |
| Random European Capital to Country | 0 | - | 4.98 | 189,163 |
| Random European Country to Capital | 0 | - | 4.92 | 147,407 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,343 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,376 |
| Random African Capital to Country | 0 | - | 4.97 | 99,715 |
| Random African Country to Capital | 0 | - | 4.94 | 70,225 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,581 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,020 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,747 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,701 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,881 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,595 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,407 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,363 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,318 |
| Random U.S. City to State | 0 | - | 4.45 | 75,302 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,006 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,273 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,793 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,253 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,610 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,804 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,651 |
| Which City in Europe? | 0 | - | 4.83 | 106,601 |
| Chicago A-Z | 0 | - | 4.25 | 15,455 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,539 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,715 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,458 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,596 |
| Find the City #1 | 0 | - | 4.97 | 42,088 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,900 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,625 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,579 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,570 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,382 |
| Countries by Capital City | 0 | - | 5.00 | 66,582 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,302 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,881 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,396 |
| Moved Capital Cities | 0 | - | 4.96 | 73,563 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,575 |
| Random Country to Capital | 0 | - | 4.98 | 911,387 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,512 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,905 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,653 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,519 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,525 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,052 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,800 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,321 |
| Which City in Canada? | 0 | - | 4.83 | 56,646 |
| Boroughs of New York City | 0 | - | 4.47 | 84,083 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,614 |
| Rome A-Z | 0 | - | 4.39 | 24,391 |
| Paris A-Z | 0 | - | 4.16 | 17,371 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,389 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,654 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,881 |
| Australia A-Z | 0 | - | 4.54 | 49,778 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,595 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,090 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,963 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,934 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,878 |
| North American Sports Cities | 0 | - | 4.83 | 170,861 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,908 |
| Cities in European History #1 | 0 | - | 4.63 | 133,080 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,299 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,189 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,556 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,135 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,801 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,011 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,167 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,067 |
| ALL California Cities | 0 | - | 4.36 | 42,811 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 42,990 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,651 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,704 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,167 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,314 |
| Name a Valid World City | 0 | - | 4.83 | 70,097 |
| Cities by Former Name | 0 | - | 4.84 | 90,943 |
| Former Capitals | 0 | - | 4.88 | 71,129 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,673 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,225 |
| Capital Cities Chain | 0 | - | 4.84 | 81,897 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,798 |
| Coldest World Capitals | 0 | - | 4.95 | 133,035 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,895 |
| World Capitals by Map | 0 | - | 5.00 | 283,110 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,643 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,772 |
| All First Level Subdivision Capitals | 0 | - | 4.84 | 14,972 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,965 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,842 |
| Capitals Starting With H | 0 | - | 4.90 | 90,710 |
| Capitals Starting With K | 0 | - | 4.85 | 75,658 |
| Capitals Starting With L | 0 | - | 4.81 | 86,803 |
| Capitals Starting With M | 0 | - | 4.93 | 106,012 |
| Capitals Starting With P | 0 | - | 4.88 | 77,163 |
| Capitals Starting With R | 0 | - | 4.87 | 80,950 |
| Capitals Starting With S | 0 | - | 4.89 | 84,783 |
| Capitals Starting With T | 0 | - | 4.84 | 75,272 |
| Capitals Starting With W | 0 | - | 4.89 | 90,590 |
| Capitals Starting With A | 0 | - | 4.97 | 126,515 |
| Capitals Starting With B | 0 | - | 4.89 | 117,257 |
| Capitals Starting With D | 0 | - | 4.93 | 95,356 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,919 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,785 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,324 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,840 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,337 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,563 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,405 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,891 |
| India A-Z | 0 | - | 4.42 | 33,918 |
| Italy A-Z | 0 | - | 4.49 | 57,699 |
| China A-Z | 0 | - | 4.55 | 66,719 |
| Germany A-Z | 0 | - | 4.56 | 62,311 |
| Scotland A-Z | 0 | - | 4.73 | 41,031 |
