| Which City In the United Kingdom? | 0 | - | 4.97 | 94,385 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,317 |
| Asia Capital to Country | 0 | - | 4.96 | 126,815 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,600 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,653 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,063 |
| Which City in Germany? | 0 | - | 4.50 | 136,711 |
| Which City in Italy? | 0 | - | 4.68 | 90,267 |
| Which City in France? | 0 | - | 4.64 | 73,171 |
| Which City in Spain? | 0 | - | 4.50 | 49,985 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,977 |
| Which City in Australia? | 0 | - | 4.67 | 34,447 |
| Capitals of the Stans | 0 | - | 4.95 | 26,901 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,627 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,216 |
| Random European Capital to Country | 0 | - | 4.98 | 191,141 |
| Random European Country to Capital | 0 | - | 4.93 | 165,337 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,569 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,903 |
| Random African Capital to Country | 0 | - | 4.97 | 100,829 |
| Random African Country to Capital | 0 | - | 4.94 | 71,348 |
| Name a City - European Countries | 0 | - | 4.90 | 65,559 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,033 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,907 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,884 |
| Which City in California? | 0 | - | 4.56 | 32,060 |
| Countries that Beat China | 0 | - | 4.85 | 116,062 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,905 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,335 |
| Europe Capital to Country | 0 | - | 4.99 | 250,746 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,134 |
| European Capitals by Map | 0 | - | 4.99 | 139,795 |
| African Capitals by Map | 0 | - | 4.99 | 134,089 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,250 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,582 |
| European Coastal Capitals | 0 | - | 4.95 | 90,764 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,651 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,405 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,901 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,725 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,794 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,315 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,269 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,147 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,301 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,553 |
| Official Cities in the UK | 0 | - | 4.89 | 284,349 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,900 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,254 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,415 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,658 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,172 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,473 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,265 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,528 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,378 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,186 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,071 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,217 |
| Which City in Canada? | 0 | - | 4.83 | 57,124 |
| Which City in Texas? | 0 | - | 4.45 | 25,107 |
| Which City in Florida? | 0 | - | 4.61 | 10,999 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,336 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,006 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,126 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,956 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,630 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,628 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,214 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,266 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,190 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,173 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,853 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,382 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,062 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,064 |
| Random Asian City to Country | 0 | - | 4.56 | 44,558 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,851 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,696 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,576 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,281 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,758 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,496 |
| Hong Kong Facts | 0 | - | 4.49 | 29,291 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,797 |
| Countries that Border China | 0 | - | 4.96 | 263,464 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,347 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,854 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,963 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,737 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,228 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,948 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,959 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,198 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,940 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,024 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,274 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,175 |
| Which City in Europe? | 0 | - | 4.83 | 107,523 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,495 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,352 |
| Asia Map Quiz | 0 | - | 4.99 | 918,831 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,393 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,474 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,518 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,637 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,441 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,245 |
| Countries by Capital City | 0 | - | 5.00 | 68,572 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,324 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,779 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,354 |
| Moved Capital Cities | 0 | - | 4.96 | 74,310 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,893 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,622 |
| Random Country to Capital | 0 | - | 4.98 | 922,332 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,812 |
| Which City in Asia? | 0 | - | 4.52 | 51,429 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,680 |
| Countries that Beat Egypt | 0 | - | 4.88 | 57,100 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,495 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,360 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,023 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,315 |
| North American Sports Cities | 0 | - | 4.83 | 172,588 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,375 |
| Cities in European History #1 | 0 | - | 4.63 | 134,157 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,604 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,376 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,786 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,146 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,127 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,412 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,040 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,510 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,967 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,912 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,609 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,220 |
| Name a Valid World City | 0 | - | 4.83 | 71,404 |
| Cities by Former Name | 0 | - | 4.83 | 91,675 |
| Former Capitals | 0 | - | 4.88 | 71,506 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,741 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,460 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,736 |
| Capital Cities Chain | 0 | - | 4.83 | 82,899 |
| Coldest World Capitals | 0 | - | 4.95 | 133,634 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,352 |
| World Capitals by Map | 0 | - | 5.00 | 287,265 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,429 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,720 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,425 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,070 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,707 |
| Capitals Starting With H | 0 | - | 4.91 | 92,687 |
| Capitals Starting With K | 0 | - | 4.88 | 83,734 |
| Capitals Starting With L | 0 | - | 4.81 | 88,217 |
| Capitals Starting With M | 0 | - | 4.93 | 108,013 |
| Capitals Starting With P | 0 | - | 4.88 | 78,322 |
| Capitals Starting With R | 0 | - | 4.87 | 81,957 |
| Capitals Starting With S | 0 | - | 4.90 | 85,926 |
| Capitals Starting With T | 0 | - | 4.84 | 76,279 |
| Capitals Starting With W | 0 | - | 4.87 | 91,380 |
| Capitals Starting With A | 0 | - | 4.97 | 128,237 |
| Capitals Starting With B | 0 | - | 4.89 | 118,670 |
| Capitals Starting With D | 0 | - | 4.93 | 96,597 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,576 |
| US States and State Capitals | 0 | - | 4.99 | 163,269 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,803 |
| Countries of the Middle East | 0 | - | 4.96 | 201,549 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,149 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,718 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,953 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,324 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,175 |
| China A-Z | 0 | - | 4.55 | 67,338 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,182 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,354 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,521 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,239 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,582 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,726 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,398 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,608 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,570 |
| South American Cities on the Map | 0 | - | 4.53 | 35,458 |
| North America Cities by Map | 0 | - | 4.41 | 47,833 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,779 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,004 |
| Random European City to Country | 0 | - | 4.69 | 117,833 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,482 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,933 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,514 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,902 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,142 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,576 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,141 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,361 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,585 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,991 |
