| World Capitals Quiz | 0 | - | 5.00 | 5,115,541 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,873 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,733 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,545 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,603 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,111 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,375 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,491 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,445 |
| Countries by Capital City | 0 | - | 5.00 | 69,684 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,205 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,378 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,992 |
| Moved Capital Cities | 0 | - | 4.96 | 74,748 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,031 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,923 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,549 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,777 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,598 |
| North American Sports Cities | 0 | - | 4.82 | 173,326 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,615 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,074 |
| Name a City - European Countries | 0 | - | 4.89 | 66,413 |
| Cities by Former Name | 0 | - | 4.83 | 92,208 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,276 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,171 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,994 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,058 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,991 |
| World Capitals by Map | 0 | - | 5.00 | 290,075 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,956 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,702 |
| Random Country to Capital | 0 | - | 4.98 | 930,496 |
| Capitals Starting With H | 0 | - | 4.91 | 93,474 |
| Capitals Starting With K | 0 | - | 4.89 | 84,532 |
| Capitals Starting With L | 0 | - | 4.81 | 96,120 |
| Capitals Starting With M | 0 | - | 4.94 | 109,411 |
| Capitals Starting With P | 0 | - | 4.88 | 79,144 |
| Capitals Starting With R | 0 | - | 4.89 | 82,630 |
| Capitals Starting With S | 0 | - | 4.90 | 86,716 |
| Capitals Starting With T | 0 | - | 4.86 | 76,968 |
| Capitals Starting With W | 0 | - | 4.87 | 91,810 |
| Capitals Starting With A | 0 | - | 4.97 | 129,316 |
| Capitals Starting With B | 0 | - | 4.89 | 119,682 |
| Capitals Starting With D | 0 | - | 4.94 | 97,339 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,341 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,450 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,581 |
| Which City in Europe? | 0 | - | 4.83 | 108,020 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,482 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,346 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,805 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,163 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,244 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,839 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,707 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,094 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,861 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,389 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,849 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,717 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,005 |
| Former Capitals | 0 | - | 4.88 | 71,739 |
| Europe Capital to Country | 0 | - | 4.99 | 252,656 |
| Asia Capital to Country | 0 | - | 4.96 | 127,716 |
| Capital Cities Chain | 0 | - | 4.84 | 83,546 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,337 |
| European Capitals by Map | 0 | - | 4.99 | 142,644 |
| African Capitals by Map | 0 | - | 4.99 | 142,660 |
| Coldest World Capitals | 0 | - | 4.95 | 134,315 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,149 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,164 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,421 |
| European Coastal Capitals | 0 | - | 4.95 | 91,522 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,283 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,428 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,791 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,263 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,277 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,755 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,440 |
| Countries by Emojis | 0 | - | 4.99 | 242,918 |
| Random European City to Country | 0 | - | 4.69 | 118,561 |
| Random Asian City to Country | 0 | - | 4.56 | 44,644 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,012 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,908 |
| Which City in Canada? | 0 | - | 4.83 | 57,420 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,322 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 206,230 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,822 |
| Ancient City to Country | 0 | - | 4.72 | 108,411 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,711 |
| Official Cities in the UK | 0 | - | 4.89 | 286,963 |
| City-States | 0 | - | 4.53 | 37,443 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,553 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,860 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,499 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,304 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,362 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,605 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,958 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,297 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,252 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,749 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,744 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,383 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,745 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,360 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,817 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,513 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,911 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,545 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,644 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,252 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,828 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,665 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,689 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,570 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,083 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,038 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,892 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,719 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,192 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,122 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,343 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,836 |
| The Only Country ... | 0 | - | 4.91 | 82,085 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,327 |
| Boundary Waters | 0 | - | 4.92 | 88,860 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,476 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,869 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,083 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,380 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,042 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,063 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,601 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,656 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,366 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,210 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,612 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,149 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,945 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,329 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,495 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,823 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,553 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,087 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,576 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,031 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,709 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,911 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,718 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,479 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,981 |
| Name a Valid African Country | 0 | - | 4.98 | 155,306 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,152 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,442,120 |
| Resort Towns by Country | 0 | - | 4.30 | 40,101 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,530 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 121,005 |
| Cities by Airports | 0 | - | 4.48 | 104,173 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,075 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,514 |
| Cities Chain #2 | 0 | - | 4.42 | 56,553 |
| Cities Chain #1 | 0 | - | 4.61 | 66,876 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,110 |
| Random U.S. City to State | 0 | - | 4.45 | 77,048 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,395 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,219 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,292 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,367 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,300 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,509 |
| Capitals Starting With N | 0 | - | 4.80 | 52,018 |
| Capitals Starting With V | 0 | - | 4.80 | 38,735 |
| Capitals Starting With C | 0 | - | 4.78 | 99,195 |
| European Cities by Clue | 0 | - | 4.70 | 89,222 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,989,530 |
| Landlocked Countries | 0 | - | 4.99 | 427,496 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,579 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,889 |
| Drinks by Country | 0 | - | 4.30 | 59,535 |
| Beers by Country | 0 | - | 4.45 | 97,749 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,688 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 101,016 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,559 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,924 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,794 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,991 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,801 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,694 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,413 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,763 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,127 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,625 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,957 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,474 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,174 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,005 |
