| Which City in California? | 0 | - | 4.56 | 32,087 |
| Which City in Texas? | 0 | - | 4.45 | 25,117 |
| Which City in Florida? | 0 | - | 4.61 | 11,002 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,864 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,248 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,242 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,057 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,783 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,138 |
| Random European Capital to Country | 0 | - | 4.98 | 191,496 |
| Random European Country to Capital | 0 | - | 4.93 | 165,418 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,618 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,020 |
| Random African Capital to Country | 0 | - | 4.97 | 100,928 |
| Random African Country to Capital | 0 | - | 4.94 | 71,392 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,250 |
| New York City A-Z | 0 | - | 4.18 | 32,332 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,321 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,002 |
| Name a City - European Countries | 0 | - | 4.90 | 65,638 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,939 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,898 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,943 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,090 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,955 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,323 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,190 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,984 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,413 |
| Europe Capital to Country | 0 | - | 4.99 | 250,920 |
| Asia Capital to Country | 0 | - | 4.96 | 126,886 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,231 |
| European Capitals by Map | 0 | - | 4.99 | 140,026 |
| African Capitals by Map | 0 | - | 4.99 | 134,200 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,689 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,667 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,310 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,652 |
| European Coastal Capitals | 0 | - | 4.95 | 90,840 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,681 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,932 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,584 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,934 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,936 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,429 |
| Official Cities in the UK | 0 | - | 4.89 | 284,577 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,490 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,629 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,733 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,222 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,545 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,041 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,310 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,559 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,428 |
| US States and State Capitals | 0 | - | 4.99 | 163,587 |
| Boroughs of New York City | 0 | - | 4.47 | 84,722 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,877 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,111 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,624 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,410 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,403 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,699 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,003 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,273 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,304 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,592 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,409 |
| Capitals of the Stans | 0 | - | 4.95 | 26,927 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,990 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,494 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,734 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,434 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,851 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,028 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,168 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,241 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,798 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,050 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,602 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,303 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,807 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,777 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,584 |
| Which City in Europe? | 0 | - | 4.83 | 107,587 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,741 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,938 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,428 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,975 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,825 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,600 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,583 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,802 |
| Random U.S. City to State | 0 | - | 4.45 | 76,559 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,756 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,335 |
| Find the City #1 | 0 | - | 4.97 | 42,994 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,877 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,569 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,569 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,708 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,524 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,368 |
| Countries by Capital City | 0 | - | 5.00 | 68,673 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,399 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,837 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,213 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,433 |
| Moved Capital Cities | 0 | - | 4.96 | 74,366 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,650 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,149 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,539 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,077 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,807 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,721 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,290 |
| Which City in Canada? | 0 | - | 4.83 | 57,151 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,050 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,526 |
| Chicago A-Z | 0 | - | 4.25 | 15,524 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,503 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,971 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,087 |
| North American Sports Cities | 0 | - | 4.83 | 172,666 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,410 |
| Cities in European History #1 | 0 | - | 4.63 | 134,227 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,387 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,801 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,907 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,158 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,467 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,584 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,042 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,631 |
| Name a Valid World City | 0 | - | 4.84 | 71,495 |
| Cities by Former Name | 0 | - | 4.83 | 91,741 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,493 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,768 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,580 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,419 |
| World Capitals by Map | 0 | - | 5.00 | 287,543 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,487 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,026 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,488 |
| Random Country to Capital | 0 | - | 4.98 | 923,040 |
| Capitals Starting With H | 0 | - | 4.91 | 92,741 |
| Capitals Starting With K | 0 | - | 4.88 | 83,790 |
| Capitals Starting With L | 0 | - | 4.81 | 88,261 |
| Capitals Starting With M | 0 | - | 4.93 | 108,093 |
| Capitals Starting With P | 0 | - | 4.88 | 78,364 |
| Capitals Starting With R | 0 | - | 4.87 | 81,990 |
| Capitals Starting With S | 0 | - | 4.90 | 85,968 |
| Capitals Starting With T | 0 | - | 4.84 | 76,321 |
| Capitals Starting With W | 0 | - | 4.87 | 91,406 |
| Capitals Starting With A | 0 | - | 4.97 | 128,312 |
| Capitals Starting With B | 0 | - | 4.89 | 118,731 |
| Capitals Starting With D | 0 | - | 4.93 | 96,644 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,771 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,276 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,119 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,991 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,001 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,416 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,625 |
| Which City in Germany? | 0 | - | 4.50 | 136,815 |
| Which City in Italy? | 0 | - | 4.68 | 90,309 |
| Which City in France? | 0 | - | 4.64 | 73,194 |
| Which City in Spain? | 0 | - | 4.50 | 50,011 |
| Which City in Australia? | 0 | - | 4.67 | 34,460 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,545,304 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,392 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,646 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,537 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,386 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,272 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,692 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,371 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,587 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,631 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,470 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,581 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,582 |
| South American Cities on the Map | 0 | - | 4.53 | 35,473 |
| North America Cities by Map | 0 | - | 4.41 | 47,853 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,230 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,538 |
| ALL California Cities | 0 | - | 4.37 | 43,113 |
| Random European City to Country | 0 | - | 4.69 | 117,902 |
| Random Asian City to Country | 0 | - | 4.56 | 44,562 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,117 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,499 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,981 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,586 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,932 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,964 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,191 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,416 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,345 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,977 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,533 |
