| New York City A-Z | 0 | - | 4.18 | 31,839 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 101,841 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 70,063 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 88,040 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 77,952 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 79,401 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,646,430 |
| Africa Capitals Quiz | 0 | - | 4.99 | 710,077 |
| Asia Capitals Quiz | 0 | - | 4.97 | 666,808 |
| Most Guessed European Capitals | 0 | - | 4.89 | 100,283 |
| Name a World Capital A-Z | 0 | - | 5.00 | 171,767 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,329 |
| Name a City - European Countries | 0 | - | 4.93 | 61,825 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 92,757 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 47,071 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,577 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 33,758 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 106,026 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 70,124 |
| Europe Capital to Country | 0 | - | 4.99 | 241,671 |
| Asia Capital to Country | 0 | - | 4.96 | 123,467 |
| EU Capitals with No Hints | 0 | - | 4.96 | 140,230 |
| European Capitals by Map | 0 | - | 4.99 | 129,402 |
| African Capitals by Map | 0 | - | 4.99 | 127,703 |
| Asian Capitals by Map | 0 | - | 4.98 | 58,100 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 88,625 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 81,334 |
| European Coastal Capitals | 0 | - | 4.95 | 87,372 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 51,158 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 258,240 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.89 | 215,698 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 80,311 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 138,700 |
| Official Cities in the UK | 0 | - | 4.89 | 272,358 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 136,235 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 46,482 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 33,552 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 35,110 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 41,731 |
| South America Capitals Quiz | 0 | - | 5.00 | 466,823 |
| North America Capitals Quiz | 0 | - | 4.99 | 209,830 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 59,507 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 91,579 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 115,325 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 85,045 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 71,910 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 93,536 |
| Asian Capitals - Map Quiz | 0 | - | 4.94 | 58,688 |
| World Capitals in the Answer | 0 | - | 4.93 | 74,463 |
| European Capitals Ending in N | 0 | - | 4.92 | 79,341 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 85,283 |
| Which City in Texas? | 0 | - | 4.45 | 24,681 |
| Which City in California? | 0 | - | 4.55 | 31,540 |
| Which City in Florida? | 0 | - | 4.61 | 10,789 |
| California A-Z | 0 | - | 4.49 | 28,535 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 36,570 |
| European Cities A-Z | 0 | - | 4.21 | 72,662 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 66,245 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 137,754 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.92 | 23,885 |
| World Capitals Quiz | 0 | - | 5.00 | 4,915,589 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 86,235 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 128,059 |
| Name a Valid European Capital | 0 | - | 4.95 | 147,008 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.88 | 77,043 |
| Random U.S. State Capitals on a Map | 0 | - | 4.91 | 100,865 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 149,275 |
| Capitals of the Stans | 0 | - | 4.95 | 25,392 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 93,757 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.42 | 36,083 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 147,455 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 39,753 |
| European Cities with the Biggest Economies | 0 | - | 4.59 | 37,596 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 32,106 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,235 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,528,410 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 126,388 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 49,663 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 81,779 |
| Random European Capital to Country | 0 | - | 4.97 | 185,356 |
| Random European Country to Capital | 0 | - | 4.93 | 144,601 |
| Random Asian Country to Capital | 0 | - | 4.92 | 92,880 |
| Random Asian Capital to Country | 0 | - | 4.97 | 98,167 |
| Random African Capital to Country | 0 | - | 4.97 | 88,373 |
| Random African Country to Capital | 0 | - | 4.94 | 68,151 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.57 | 34,186 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 50,442 |
| Hong Kong A-Z | 0 | - | 4.54 | 14,502 |
| Rust Belt Cities Map Quiz | 0 | - | 4.56 | 34,310 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.83 | 54,647 |
| European Capitals by Airport Code | 0 | - | 4.91 | 33,273 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 186,461 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 163,304 |
| U.S. Cities A-Z | 0 | - | 4.22 | 31,593 |
| Random U.S. City to State | 0 | - | 4.44 | 72,744 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.41 | 39,379 |
| World Capitals by Proximity | 0 | - | 4.90 | 318,990 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,268 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,396 |
| Random African Capitals on a Map | 0 | - | 4.96 | 53,155 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 49,572 |
| Random European Capitals on a Map | 0 | - | 4.97 | 131,290 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.57 | 42,229 |
| Which City in Europe? | 0 | - | 4.83 | 105,170 |
| Chicago A-Z | 0 | - | 4.25 | 15,303 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 47,895 |
| Global Cities on a World Map | 0 | - | 4.93 | 130,103 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.29 | 33,158 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,178 |
| Find the City #1 | 0 | - | 4.96 | 40,515 |
| Northernmost Capital Cities | 0 | - | 4.98 | 105,268 |
| Most Remote Capital Cities | 0 | - | 4.91 | 50,549 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 42,058 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 103,593 |
| Same Letter Country and Capital | 0 | - | 4.99 | 142,287 |
| Countries by Capital City | 0 | - | 5.00 | 62,539 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 73,904 |
| Capitals of the Largest Countries by Area | 0 | - | 4.95 | 111,890 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 81,223 |
| Moved Capital Cities | 0 | - | 4.95 | 72,006 |
| Random Capital to Country | 0 | - | 4.99 | 2,539,503 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 61,937 |
| Random Country to Capital | 0 | - | 4.98 | 886,620 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 112,472 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,482 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,298 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,334 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 28,644 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,591 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 37,892 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 91,986 |
| Which City in Canada? | 0 | - | 4.81 | 55,841 |
| Boroughs of New York City | 0 | - | 4.46 | 82,462 |
| Washington D.C. Trivia | 0 | - | 4.41 | 32,754 |
| Rome A-Z | 0 | - | 4.37 | 24,039 |
| Paris A-Z | 0 | - | 4.16 | 17,176 |
| Countries Closest to United States A-Z | 0 | - | 4.83 | 115,084 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 105,961 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 187,447 |
| Australia A-Z | 0 | - | 4.51 | 49,324 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 92,409 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,844 |
| Countries of Europe by Population | 0 | - | 4.98 | 171,307 |
| Biggest Cities in Washington State | 0 | - | 4.42 | 35,233 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,321 |
| Summer Olympic City Bids | 0 | - | 4.92 | 40,698 |
| Cities in European History #1 | 0 | - | 4.56 | 120,594 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 94,000 |
| European Cities by Map #2 | 0 | - | 4.48 | 46,819 |
| European Cities by Map #1 | 0 | - | 4.68 | 55,050 |
| U.S. Cities Chain | 0 | - | 4.21 | 34,054 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,510 |
| Mediterranean Cities by Map | 0 | - | 4.50 | 50,718 |
| Most Guessed Cities by Country #3 | 0 | - | 4.88 | 42,975 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 206,731 |
| ALL California Cities | 0 | - | 4.35 | 42,041 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,276 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 127,560 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 99,485 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 51,660 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 110,987 |
| Cities by Former Name | 0 | - | 4.84 | 89,359 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.81 | 31,899 |
| Former Capitals Quiz | 0 | - | 4.87 | 70,075 |
| Capitals in their Native Languages | 0 | - | 4.94 | 131,585 |
| Nearest Capital City #1 | 0 | - | 4.84 | 55,918 |
| Capital Cities Chain | 0 | - | 4.87 | 79,635 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 244,152 |
| Coldest World Capitals | 0 | - | 4.95 | 132,070 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 52,492 |
| World Capitals by Map | 0 | - | 5.00 | 274,224 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 55,945 |
| Capital Cities with Spanish Names | 0 | - | 4.89 | 74,352 |
| All First Level Subdivision Capitals | 0 | - | 4.84 | 14,529 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 87,592 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 59,481 |
| World Capitals By Letter - H | 0 | - | 4.86 | 77,945 |
| World Capitals By Letter - K | 0 | - | 4.83 | 72,384 |
| World Capitals By Letter - M | 0 | - | 4.93 | 100,679 |
| World Capitals By Letter - P | 0 | - | 4.87 | 73,800 |
| World Capitals By Letter - R | 0 | - | 4.85 | 78,059 |
| World Capitals By Letter - S | 0 | - | 4.90 | 81,228 |
| World Capitals By Letter - T | 0 | - | 4.83 | 72,284 |
| World Capitals By Letter - W | 0 | - | 4.89 | 87,886 |
| World Capitals By Letter - A | 0 | - | 4.97 | 121,859 |
| World Capitals By Letter - B | 0 | - | 4.87 | 112,599 |
| World Capitals By Letter - D | 0 | - | 4.92 | 86,489 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,353 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.77 | 53,757 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.62 | 33,539 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,130 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.44 | 54,051 |
| Countries with the Most Christians | 0 | - | 4.92 | 137,309 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 83,942 |
| India A-Z | 0 | - | 4.42 | 33,392 |
| Italy A-Z | 0 | - | 4.48 | 47,589 |
| China A-Z | 0 | - | 4.63 | 65,469 |
| Germany A-Z | 0 | - | 4.56 | 61,334 |
| Japan A-Z | 0 | - | 4.44 | 41,216 |
| Scotland A-Z | 0 | - | 4.70 | 40,270 |
