| New York City A-Z | 0 | - | 4.18 | 32,223 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,277 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,294 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,758 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,074 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,827 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,680,898 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,376 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,959 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,303 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,302 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,484 |
| Name a City - European Countries | 0 | - | 4.92 | 64,705 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,730 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,947 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,950 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,094 |
| Which City in California? | 0 | - | 4.56 | 31,945 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,890 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,232 |
| Europe Capital to Country | 0 | - | 4.99 | 248,527 |
| Asia Capital to Country | 0 | - | 4.96 | 126,017 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,892 |
| European Capitals by Map | 0 | - | 4.99 | 137,244 |
| African Capitals by Map | 0 | - | 4.99 | 132,582 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,571 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,470 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,855 |
| European Coastal Capitals | 0 | - | 4.95 | 89,995 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,294 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,757 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,482 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,514 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,915 |
| Official Cities in the UK | 0 | - | 4.89 | 281,473 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,724 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,001 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,245 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,273 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,589 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,348 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,522 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,781 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,869 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,600 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,424 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,388 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,849 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,840 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,713 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,914 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,486 |
| Which City in Texas? | 0 | - | 4.45 | 25,009 |
| Which City in Florida? | 0 | - | 4.61 | 10,950 |
| California A-Z | 0 | - | 4.49 | 28,734 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,172 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,486 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,704 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,990 |
| World Capitals Quiz | 0 | - | 5.00 | 5,043,564 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,611 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,885 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,372 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,772 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,473 |
| US States and State Capitals | 0 | - | 4.99 | 159,593 |
| Capitals of the Stans | 0 | - | 4.95 | 26,546 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,088 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,497 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,987 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,693 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,249 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,899 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,415 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,206 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,761 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,207 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,224 |
| Random European Capital to Country | 0 | - | 4.98 | 189,599 |
| Random European Country to Capital | 0 | - | 4.92 | 147,727 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,562 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,669 |
| Random African Capital to Country | 0 | - | 4.97 | 99,904 |
| Random African Country to Capital | 0 | - | 4.94 | 70,387 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,627 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,084 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,107 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,725 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,939 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,700 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,671 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,745 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,355 |
| Random U.S. City to State | 0 | - | 4.45 | 75,526 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,071 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,245 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,865 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,826 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,404 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,748 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,111 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,712 |
| Which City in Europe? | 0 | - | 4.83 | 106,919 |
| Chicago A-Z | 0 | - | 4.25 | 15,472 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,607 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,230 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,484 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,649 |
| Find the City #1 | 0 | - | 4.97 | 42,371 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,376 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,943 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,906 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,097 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,941 |
| Countries by Capital City | 0 | - | 5.00 | 67,192 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,587 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,122 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,579 |
| Moved Capital Cities | 0 | - | 4.96 | 73,786 |
| Random Capital to Country | 0 | - | 4.99 | 2,582,006 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 74,643 |
| Random Country to Capital | 0 | - | 4.98 | 913,750 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,647 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,946 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,687 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,567 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,546 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,097 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,824 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,793 |
| Which City in Canada? | 0 | - | 4.82 | 56,805 |
| Boroughs of New York City | 0 | - | 4.47 | 84,253 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,882 |
| Rome A-Z | 0 | - | 4.39 | 24,429 |
| Paris A-Z | 0 | - | 4.16 | 17,403 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,686 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,855 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,209 |
| Australia A-Z | 0 | - | 4.54 | 49,839 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,692 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,325 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,850 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,008 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,939 |
| North American Sports Cities | 0 | - | 4.83 | 171,208 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,000 |
| Cities in European History #1 | 0 | - | 4.63 | 133,414 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,393 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,241 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,611 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,252 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,827 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,047 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,426 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,623 |
| ALL California Cities | 0 | - | 4.37 | 42,901 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,226 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,947 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,943 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,350 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,479 |
| Name a Valid World City | 0 | - | 4.83 | 70,403 |
| Cities by Former Name | 0 | - | 4.84 | 91,162 |
| Former Capitals | 0 | - | 4.88 | 71,225 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,157 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,369 |
| Capital Cities Chain | 0 | - | 4.84 | 82,110 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,085 |
| Coldest World Capitals | 0 | - | 4.95 | 133,161 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,300 |
| World Capitals by Map | 0 | - | 5.00 | 284,330 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,865 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,018 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,212 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,519 |
| Capitals Starting With H | 0 | - | 4.90 | 91,591 |
| Capitals Starting With K | 0 | - | 4.85 | 75,854 |
| Capitals Starting With L | 0 | - | 4.81 | 87,036 |
| Capitals Starting With M | 0 | - | 4.93 | 106,408 |
| Capitals Starting With P | 0 | - | 4.88 | 77,357 |
| Capitals Starting With R | 0 | - | 4.87 | 81,129 |
| Capitals Starting With S | 0 | - | 4.89 | 84,985 |
| Capitals Starting With T | 0 | - | 4.84 | 75,451 |
| Capitals Starting With W | 0 | - | 4.89 | 90,769 |
| Capitals Starting With A | 0 | - | 4.97 | 126,789 |
| Capitals Starting With B | 0 | - | 4.89 | 117,508 |
| Capitals Starting With D | 0 | - | 4.93 | 95,589 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,959 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,825 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,392 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,885 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,355 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,632 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,992 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,262 |
| India A-Z | 0 | - | 4.42 | 33,981 |
| Italy A-Z | 0 | - | 4.49 | 57,910 |
| China A-Z | 0 | - | 4.55 | 66,875 |
| Germany A-Z | 0 | - | 4.56 | 62,410 |
| Scotland A-Z | 0 | - | 4.73 | 41,106 |
