| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,616 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,712 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,156 |
| Asia Capital to Country | 0 | - | 4.96 | 125,900 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,418 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,249 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,697 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,297 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,929 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,080 |
| Which City in Australia? | 0 | - | 4.67 | 34,285 |
| Capitals of the Stans | 0 | - | 4.95 | 26,499 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,211 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,764 |
| Which City in Germany? | 0 | - | 4.50 | 135,532 |
| Which City in Italy? | 0 | - | 4.64 | 88,753 |
| Which City in France? | 0 | - | 4.64 | 72,730 |
| Which City in Spain? | 0 | - | 4.50 | 49,714 |
| Random Asian City to Country | 0 | - | 4.56 | 44,412 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,607 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,260 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,194 |
| Name a City - European Countries | 0 | - | 4.92 | 64,607 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,838 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,354 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,003 |
| Which City in Europe? | 0 | - | 4.83 | 106,856 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,901 |
| Which City in California? | 0 | - | 4.56 | 31,930 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,513 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,090 |
| Europe Capital to Country | 0 | - | 4.99 | 248,281 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,737 |
| European Capitals by Map | 0 | - | 4.99 | 136,880 |
| African Capitals by Map | 0 | - | 4.99 | 132,407 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,385 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,766 |
| European Coastal Capitals | 0 | - | 4.95 | 89,914 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,483 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,206 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,476 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,316 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,216 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,107 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,892 |
| Official Cities in the UK | 0 | - | 4.89 | 281,093 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,820 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,419 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,921 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,410 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,779 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,542 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,309 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,807 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,790 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,651 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,867 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,368 |
| Which City in Asia? | 0 | - | 4.52 | 51,203 |
| Which City in Canada? | 0 | - | 4.82 | 56,772 |
| Which City in Texas? | 0 | - | 4.45 | 24,995 |
| Which City in Florida? | 0 | - | 4.61 | 10,940 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,511 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,387 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,403 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,620 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,953 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,910 |
| World Capitals Quiz | 0 | - | 5.00 | 5,039,035 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,535 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,398 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,420 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,364 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,196 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,525 |
| Random European City to Country | 0 | - | 4.69 | 116,769 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,211 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,563 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,623 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,190 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,839 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,173 |
| Random European Capital to Country | 0 | - | 4.98 | 189,433 |
| Random European Country to Capital | 0 | - | 4.92 | 147,628 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,490 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,568 |
| Random African Capital to Country | 0 | - | 4.97 | 99,809 |
| Random African Country to Capital | 0 | - | 4.94 | 70,319 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,986 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,722 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,135 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,580 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,835 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,610 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,160 |
| Random U.S. City to State | 0 | - | 4.45 | 75,454 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,046 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,293 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,839 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,902 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,050 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,841 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,654 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,928 |
| European Cities by Clue | 0 | - | 4.70 | 88,853 |
| Hindu Countries | 0 | - | 4.86 | 49,661 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,560 |
| Countries that Beat China | 0 | - | 4.86 | 114,881 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,303 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,084 |
| Asia Map Quiz | 0 | - | 4.99 | 908,328 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,931 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,035 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,627 |
| Find the City #1 | 0 | - | 4.97 | 42,261 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,242 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,849 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,799 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,955 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,770 |
| Countries by Capital City | 0 | - | 5.00 | 66,994 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,507 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,039 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,518 |
| Moved Capital Cities | 0 | - | 4.96 | 73,713 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,148 |
| Random Country to Capital | 0 | - | 4.98 | 912,919 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 27,988 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,777 |
| Which City in Africa? | 0 | - | 4.78 | 57,643 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,713 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,465 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,743 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,666 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,027 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,819 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,241 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,477 |
| North American Sports Cities | 0 | - | 4.83 | 171,067 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,963 |
| Cities in European History #1 | 0 | - | 4.63 | 133,320 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,354 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,226 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,592 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,205 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,034 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,323 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,411 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,838 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,864 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,288 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,409 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,348 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,127 |
| Name a Valid World City | 0 | - | 4.83 | 70,298 |
| Cities by Former Name | 0 | - | 4.84 | 91,081 |
| Former Capitals | 0 | - | 4.88 | 71,199 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,410 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,772 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,322 |
| Capital Cities Chain | 0 | - | 4.84 | 82,036 |
| Coldest World Capitals | 0 | - | 4.95 | 133,114 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,160 |
| World Capitals by Map | 0 | - | 5.00 | 283,967 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,787 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,925 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,363 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 15,000 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,130 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,293 |
| Capitals Starting With H | 0 | - | 4.90 | 91,475 |
| Capitals Starting With K | 0 | - | 4.85 | 75,813 |
| Capitals Starting With L | 0 | - | 4.81 | 86,976 |
| Capitals Starting With M | 0 | - | 4.93 | 106,302 |
| Capitals Starting With P | 0 | - | 4.88 | 77,303 |
| Capitals Starting With R | 0 | - | 4.87 | 81,079 |
| Capitals Starting With S | 0 | - | 4.89 | 84,934 |
| Capitals Starting With T | 0 | - | 4.84 | 75,405 |
| Capitals Starting With W | 0 | - | 4.89 | 90,722 |
| Capitals Starting With A | 0 | - | 4.97 | 126,715 |
| Capitals Starting With B | 0 | - | 4.89 | 117,434 |
| Capitals Starting With D | 0 | - | 4.93 | 95,523 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,605 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,060 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,381 |
| US States and State Capitals | 0 | - | 4.99 | 159,047 |
| Which City in Latin America? | 0 | - | 4.63 | 46,885 |
| Hong Kong Facts | 0 | - | 4.48 | 29,195 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,917 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,279 |
| Countries of the Middle East | 0 | - | 4.96 | 199,258 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,947 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,643 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,935 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,530 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,385 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,668 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,451 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,848 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,759 |
