| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,641,608 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 92,490 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 46,963 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 138,207 |
| Random State Capital to U.S. State | 0 | - | 4.81 | 84,789 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 87,390 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 77,492 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 81,586 |
| Random European Capital to Country | 0 | - | 4.97 | 184,707 |
| Random European Country to Capital | 0 | - | 4.93 | 144,254 |
| Random Asian Country to Capital | 0 | - | 4.91 | 92,639 |
| Random Asian Capital to Country | 0 | - | 4.97 | 97,857 |
| Random African Capital to Country | 0 | - | 4.97 | 88,031 |
| Random African Country to Capital | 0 | - | 4.94 | 67,922 |
| Random U.S. State Capitals on a Map | 0 | - | 4.91 | 100,339 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 126,928 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 101,337 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 69,749 |
| Name a City - European Countries | 0 | - | 4.93 | 61,421 |
| Africa Capitals Quiz | 0 | - | 4.99 | 706,942 |
| Asia Capitals Quiz | 0 | - | 4.97 | 663,683 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 105,562 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 69,503 |
| Europe Capital to Country | 0 | - | 4.99 | 240,701 |
| Asia Capital to Country | 0 | - | 4.96 | 123,108 |
| EU Capitals with No Hints | 0 | - | 4.96 | 139,541 |
| European Capitals by Map | 0 | - | 4.99 | 128,309 |
| African Capitals by Map | 0 | - | 4.99 | 127,010 |
| South America Capitals Quiz | 0 | - | 5.00 | 464,963 |
| Asian Capitals by Map | 0 | - | 4.98 | 57,735 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 88,179 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 80,928 |
| European Coastal Capitals | 0 | - | 4.95 | 86,727 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 50,950 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 256,818 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.89 | 214,777 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 80,132 |
| New York City A-Z | 0 | - | 4.18 | 31,733 |
| Official Cities in the UK | 0 | - | 4.89 | 271,003 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 33,415 |
| North America Capitals Quiz | 0 | - | 4.99 | 208,636 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 59,208 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 91,240 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 114,918 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 84,697 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 71,667 |
| Asian Capitals - Map Quiz | 0 | - | 4.94 | 58,385 |
| European Capitals Ending in N | 0 | - | 4.92 | 79,118 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 112,308 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,444 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,262 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 148,062 |
| Random U.S. States on a Map | 0 | - | 4.96 | 603,386 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.42 | 36,031 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 65,749 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 136,515 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.91 | 23,619 |
| World Capitals Quiz | 0 | - | 5.00 | 4,896,748 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 85,667 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 243,938 |
| Name a Valid European Capital | 0 | - | 4.95 | 146,400 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 79,168 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.61 | 34,039 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 50,351 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,272 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.77 | 53,683 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.62 | 33,487 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,301 |
| Capitals of the Stans | 0 | - | 4.95 | 25,262 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 185,986 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 162,822 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 93,622 |
| 1M Cities by Proximity - United States | 0 | - | 4.54 | 147,059 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 39,574 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 119,910 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 31,994 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,521,561 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 125,968 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,182 |
| Most Guessed European Capitals | 0 | - | 4.89 | 100,093 |
| Random African Capitals on a Map | 0 | - | 4.96 | 53,005 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 49,387 |
| Random European Capitals on a Map | 0 | - | 4.97 | 130,943 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.16 | 126,814 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 57,729 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,865 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,934 |
| Which City in New York State? | 0 | - | 4.59 | 15,539 |
| Which City in Europe? | 0 | - | 4.83 | 104,823 |
| Which City in Texas? | 0 | - | 4.45 | 24,635 |
| Which City in California? | 0 | - | 4.55 | 31,485 |
| Which City in Florida? | 0 | - | 4.61 | 10,769 |
| Vietnam War Countries | 0 | - | 4.81 | 91,396 |
| European Capitals by Airport Code | 0 | - | 4.91 | 32,903 |
| British Places A-Z | 0 | - | 4.29 | 78,834 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 47,759 |
| Global Cities on a World Map | 0 | - | 4.94 | 128,457 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.29 | 33,108 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 136,037 |
| Random U.S. City to State | 0 | - | 4.44 | 72,318 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.41 | 39,282 |
| Find the City #1 | 0 | - | 4.96 | 40,214 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 41,479 |
| Northernmost Capital Cities | 0 | - | 4.98 | 104,774 |
| Most Remote Capital Cities | 0 | - | 4.91 | 50,246 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 41,715 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 103,112 |
| Same Letter Country and Capital | 0 | - | 4.99 | 141,373 |
| Countries by Capital City | 0 | - | 5.00 | 61,911 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 73,577 |
| Capitals of the Largest Countries by Area | 0 | - | 4.95 | 111,571 |
| World Capitals by Proximity | 0 | - | 4.90 | 318,204 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 80,868 |
| Moved Capital Cities | 0 | - | 4.95 | 71,753 |
| World Capitals with a Unique First Letter | 0 | - | 4.81 | 61,672 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 61,447 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,342 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,302 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 31,855 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 25,769 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 31,479 |
| US State Capitals - One Minute Sprint | 0 | - | 4.03 | 177,900 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.57 | 42,133 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 28,592 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,553 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 37,712 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 91,707 |
| Which City in Canada? | 0 | - | 4.81 | 55,667 |
| Boroughs of New York City | 0 | - | 4.46 | 82,243 |
| Washington D.C. Trivia | 0 | - | 4.41 | 32,658 |
| Chicago A-Z | 0 | - | 4.25 | 15,270 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.90 | 97,060 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.85 | 111,066 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 80,738 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.83 | 80,301 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 126,848 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 149,476 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 38,334 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 124,159 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 92,062 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,521 |
| Summer Olympic City Bids | 0 | - | 4.92 | 40,406 |
| Important Cities in European History | 0 | - | 4.56 | 114,881 |
| European Cities by Map #2 | 0 | - | 4.48 | 46,762 |
| European Cities by Map #1 | 0 | - | 4.68 | 54,962 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,470 |
| Mediterranean Cities by Map | 0 | - | 4.50 | 50,661 |
| Important Places in U.S. History | 0 | - | 4.25 | 37,194 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 99,124 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 51,373 |
| Cities by Former Name | 0 | - | 4.84 | 89,106 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.81 | 31,680 |
| Capitals in their Native Languages | 0 | - | 4.94 | 131,419 |
| Nearest Capital City #1 | 0 | - | 4.83 | 55,742 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 52,329 |
| World Capitals by Map | 0 | - | 5.00 | 272,836 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 55,603 |
| Random Capital to Country | 0 | - | 4.99 | 2,531,948 |
| Random Country to Capital | 0 | - | 4.98 | 882,860 |
| World Capitals By Letter - H | 0 | - | 4.86 | 77,282 |
| World Capitals By Letter - K | 0 | - | 4.83 | 71,818 |
| World Capitals By Letter - M | 0 | - | 4.93 | 99,585 |
| World Capitals By Letter - P | 0 | - | 4.86 | 73,208 |
| World Capitals By Letter - R | 0 | - | 4.85 | 77,589 |
| World Capitals By Letter - S | 0 | - | 4.90 | 80,647 |
| World Capitals By Letter - T | 0 | - | 4.83 | 71,781 |
| World Capitals By Letter - W | 0 | - | 4.88 | 87,484 |
| World Capitals By Letter - A | 0 | - | 4.97 | 120,924 |
| World Capitals By Letter - B | 0 | - | 4.85 | 105,927 |
| World Capitals By Letter - D | 0 | - | 4.92 | 85,776 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.42 | 10,404 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,102 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 85,132 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 212,449 |
| Category Elimination - U.S. States #2 | 0 | - | 4.81 | 127,667 |
| Countries of Europe by Population | 0 | - | 4.98 | 170,310 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 225,377 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 177,586 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 187,484 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 100,737 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 106,030 |
| Most Populous World Capitals | 0 | - | 4.93 | 171,295 |
| U.S. City Nicknames | 0 | - | 4.25 | 102,568 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 93,813 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,232 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 45,782 |
| U.S. Cities Chain | 0 | - | 4.21 | 33,890 |
| South American Cities on the Map | 0 | - | 4.57 | 34,751 |
| North America Cities by Map | 0 | - | 4.41 | 47,108 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.41 | 23,122 |
| Most Guessed Cities by Country #3 | 0 | - | 4.88 | 42,581 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 205,634 |
| ALL California Cities | 0 | - | 4.35 | 41,958 |
| Random European City to Country | 0 | - | 4.69 | 114,156 |
| Random Asian City to Country | 0 | - | 4.55 | 44,027 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 126,860 |
| European Cities with the Biggest Economies | 0 | - | 4.59 | 37,480 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 46,243 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.68 | 45,404 |
| German Cities with the Most Tourists | 0 | - | 4.63 | 31,978 |
