| New York City A-Z | 0 | - | 4.18 | 32,337 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,034 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,300 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,107 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,335 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,798 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,410 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,340 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,639 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,530 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,431 |
| Name a City - European Countries | 0 | - | 4.90 | 65,745 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,353 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,206 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,089 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,230 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,054 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,511 |
| Europe Capital to Country | 0 | - | 4.99 | 251,085 |
| Asia Capital to Country | 0 | - | 4.96 | 126,944 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,328 |
| European Capitals by Map | 0 | - | 4.99 | 140,327 |
| African Capitals by Map | 0 | - | 4.99 | 136,628 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,870 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,376 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,714 |
| European Coastal Capitals | 0 | - | 4.95 | 90,900 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,702 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,116 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,793 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,954 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,979 |
| Official Cities in the UK | 0 | - | 4.89 | 284,804 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,497 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,900 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,031 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,827 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,781 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,258 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,606 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,085 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,345 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,615 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,460 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,321 |
| Which City in California? | 0 | - | 4.56 | 32,095 |
| California A-Z | 0 | - | 4.49 | 28,810 |
| British Places A-Z | 0 | - | 4.29 | 79,981 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,489 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,656 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,742 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,559 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,316 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,924 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,285 |
| US States and State Capitals | 0 | - | 4.99 | 163,735 |
| Capitals of the Stans | 0 | - | 4.95 | 26,961 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,450 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,630 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,902 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,056 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,508 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,190 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,358 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,876 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,408 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,842 |
| Random European Capital to Country | 0 | - | 4.98 | 191,572 |
| Random European Country to Capital | 0 | - | 4.93 | 165,481 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,766 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,075 |
| Random African Capital to Country | 0 | - | 4.97 | 100,981 |
| Random African Country to Capital | 0 | - | 4.94 | 71,460 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,783 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,284 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,690 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,809 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,177 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,083 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,476 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,034 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,648 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,872 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,820 |
| Random U.S. City to State | 0 | - | 4.45 | 76,621 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,348 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,411 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,057 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,959 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,952 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,137 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,032 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,897 |
| Which City in Europe? | 0 | - | 4.83 | 107,641 |
| Which City in Texas? | 0 | - | 4.45 | 25,121 |
| Which City in Florida? | 0 | - | 4.61 | 11,004 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,152 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,841 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,671 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,588 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,813 |
| Find the City #1 | 0 | - | 4.97 | 43,043 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,639 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,616 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,756 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,603 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,468 |
| Countries by Capital City | 0 | - | 5.00 | 68,750 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,438 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,879 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,472 |
| Moved Capital Cities | 0 | - | 4.96 | 74,397 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,679 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,671 |
| Random Country to Capital | 0 | - | 4.98 | 923,636 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,170 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,083 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,817 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,731 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,634 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,250 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,904 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,285 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,494 |
| Which City in Canada? | 0 | - | 4.83 | 57,176 |
| Boroughs of New York City | 0 | - | 4.47 | 84,757 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,059 |
| Rome A-Z | 0 | - | 4.40 | 24,506 |
| Paris A-Z | 0 | - | 4.16 | 17,465 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,372 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,233 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 43,144 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,586 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,464 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,199 |
| Australia A-Z | 0 | - | 4.54 | 50,048 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,986 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,122 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,738 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,309 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,148 |
| North American Sports Cities | 0 | - | 4.83 | 172,717 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,426 |
| Cities in European History #1 | 0 | - | 4.63 | 134,271 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,645 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,390 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,813 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,596 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,911 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,170 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,438 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,655 |
| ALL California Cities | 0 | - | 4.37 | 43,129 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,472 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,331 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,639 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,143 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,190 |
| Name a Valid World City | 0 | - | 4.83 | 71,547 |
| Cities by Former Name | 0 | - | 4.83 | 91,782 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,473 |
| Former Capitals | 0 | - | 4.88 | 71,548 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,520 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,791 |
| Capital Cities Chain | 0 | - | 4.84 | 83,023 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,595 |
| Coldest World Capitals | 0 | - | 4.95 | 133,688 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,469 |
| World Capitals by Map | 0 | - | 5.00 | 287,759 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,532 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,823 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,191 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,175 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,039 |
| Capitals Starting With H | 0 | - | 4.91 | 92,786 |
| Capitals Starting With K | 0 | - | 4.88 | 83,842 |
| Capitals Starting With L | 0 | - | 4.81 | 88,302 |
| Capitals Starting With M | 0 | - | 4.93 | 108,164 |
| Capitals Starting With P | 0 | - | 4.88 | 78,413 |
| Capitals Starting With R | 0 | - | 4.87 | 82,033 |
| Capitals Starting With S | 0 | - | 4.90 | 86,017 |
| Capitals Starting With T | 0 | - | 4.85 | 76,365 |
| Capitals Starting With W | 0 | - | 4.87 | 91,426 |
| Capitals Starting With A | 0 | - | 4.97 | 128,370 |
| Capitals Starting With B | 0 | - | 4.89 | 118,788 |
| Capitals Starting With D | 0 | - | 4.93 | 96,690 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,124 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,004 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,597 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,005 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,818 |
| Italy A-Z | 0 | - | 4.49 | 58,493 |
| China A-Z | 0 | - | 4.55 | 67,399 |
| Germany A-Z | 0 | - | 4.56 | 62,722 |
| Scotland A-Z | 0 | - | 4.73 | 41,353 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,575 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,736 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,946 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,581 |
