| World Capitals Quiz | 0 | - | 5.00 | 5,075,236 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,934 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,984 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,182 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,277 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,429 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,524 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,261 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,039 |
| Countries by Capital City | 0 | - | 5.00 | 68,317 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,188 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,669 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,222 |
| Moved Capital Cities | 0 | - | 4.96 | 74,223 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,426 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,736 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,520 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,480 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,912 |
| North American Sports Cities | 0 | - | 4.83 | 172,408 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,329 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,407 |
| Name a City - European Countries | 0 | - | 4.90 | 65,402 |
| Cities by Former Name | 0 | - | 4.83 | 91,588 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,939 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,142 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,408 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,667 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,234 |
| World Capitals by Map | 0 | - | 5.00 | 286,546 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,330 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,913 |
| Random Country to Capital | 0 | - | 4.98 | 920,849 |
| Capitals Starting With H | 0 | - | 4.91 | 92,590 |
| Capitals Starting With K | 0 | - | 4.88 | 83,566 |
| Capitals Starting With L | 0 | - | 4.81 | 88,121 |
| Capitals Starting With M | 0 | - | 4.93 | 107,843 |
| Capitals Starting With P | 0 | - | 4.88 | 78,234 |
| Capitals Starting With R | 0 | - | 4.87 | 81,862 |
| Capitals Starting With S | 0 | - | 4.90 | 85,817 |
| Capitals Starting With T | 0 | - | 4.85 | 76,190 |
| Capitals Starting With W | 0 | - | 4.87 | 91,319 |
| Capitals Starting With A | 0 | - | 4.97 | 128,082 |
| Capitals Starting With B | 0 | - | 4.89 | 118,537 |
| Capitals Starting With D | 0 | - | 4.93 | 96,481 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,835 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,005 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,732 |
| Which City in Europe? | 0 | - | 4.83 | 107,419 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,711 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,246 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,407 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,876 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,147 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,566 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,724 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,007 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,101 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,135 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,919 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,817 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,227 |
| Former Capitals | 0 | - | 4.88 | 71,467 |
| Europe Capital to Country | 0 | - | 4.99 | 250,386 |
| Asia Capital to Country | 0 | - | 4.96 | 126,686 |
| Capital Cities Chain | 0 | - | 4.84 | 82,765 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,914 |
| European Capitals by Map | 0 | - | 4.99 | 139,272 |
| African Capitals by Map | 0 | - | 4.99 | 133,823 |
| Coldest World Capitals | 0 | - | 4.95 | 133,574 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,441 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,102 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,445 |
| European Coastal Capitals | 0 | - | 4.95 | 90,625 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,600 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,083 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,106 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,841 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,587 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,919 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,017 |
| Countries by Emojis | 0 | - | 4.99 | 239,797 |
| Random European City to Country | 0 | - | 4.69 | 117,699 |
| Random Asian City to Country | 0 | - | 4.56 | 44,540 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,059 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,273 |
| Which City in Canada? | 0 | - | 4.83 | 57,083 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 64,895 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,427 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,984 |
| Ancient City to Country | 0 | - | 4.70 | 108,045 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,590 |
| Official Cities in the UK | 0 | - | 4.89 | 283,869 |
| City-States | 0 | - | 4.53 | 37,268 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,144 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,685 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,814 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,192 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,116 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,543 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,537 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,242 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,921 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,577 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,901 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,501 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,063 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,297 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,178 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,859 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,675 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,438 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,198 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,922 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,036 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,095 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,200 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,168 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,389 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,453 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,420 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,084 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,623 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,657 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,192 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,308 |
| The Only Country ... | 0 | - | 4.91 | 81,118 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,329 |
| Boundary Waters | 0 | - | 4.92 | 88,483 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,177 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,116 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,481 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,921 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,546 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,812 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,529 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,509 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 45,572 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,152 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,573 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,177 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,921 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,882 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,820 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,115 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,075 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,653 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,536 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,363 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,173 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,070 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,769 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,162 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,041 |
| Name a Valid African Country | 0 | - | 4.98 | 154,122 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,751 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,423,658 |
| Resort Towns by Country | 0 | - | 4.30 | 40,020 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,235 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,229 |
| Cities by Airports | 0 | - | 4.49 | 88,737 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,945 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,008 |
| Cities Chain #2 | 0 | - | 4.42 | 56,381 |
| Cities Chain #1 | 0 | - | 4.61 | 66,628 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,323 |
| Random U.S. City to State | 0 | - | 4.45 | 76,334 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,207 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,603 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,159 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,157 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,348 |
| Capitals Starting With N | 0 | - | 4.80 | 51,222 |
| Capitals Starting With V | 0 | - | 4.79 | 38,202 |
| Capitals Starting With C | 0 | - | 4.79 | 97,989 |
| European Cities by Clue | 0 | - | 4.70 | 89,060 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,475,920 |
| Landlocked Countries | 0 | - | 4.99 | 420,743 |
| Countries as U.S. First Names | 0 | - | 4.31 | 77,902 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,614 |
| Drinks by Country | 0 | - | 4.30 | 59,361 |
| Beers by Country | 0 | - | 4.45 | 97,304 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,625 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,586 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,436 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,783 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,127 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,107 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,913 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,349 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,488 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,219 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,599 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,788 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,515 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,527 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,427 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,682 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,973 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,727 |
