| World Capitals Quiz | 0 | - | 5.00 | 5,115,434 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,822 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,730 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,544 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,598 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,109 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,372 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,485 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,442 |
| Countries by Capital City | 0 | - | 5.00 | 69,683 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,199 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,376 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,989 |
| Moved Capital Cities | 0 | - | 4.96 | 74,746 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,027 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,921 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,543 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,776 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,597 |
| North American Sports Cities | 0 | - | 4.82 | 173,324 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,612 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,073 |
| 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 | 745,263 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,154 |
| 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 | 69,990 |
| World Capitals by Map | 0 | - | 5.00 | 290,066 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,954 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,645 |
| Random Country to Capital | 0 | - | 4.98 | 930,450 |
| Capitals Starting With H | 0 | - | 4.91 | 93,471 |
| Capitals Starting With K | 0 | - | 4.89 | 84,531 |
| Capitals Starting With L | 0 | - | 4.81 | 96,117 |
| Capitals Starting With M | 0 | - | 4.94 | 109,407 |
| Capitals Starting With P | 0 | - | 4.88 | 79,143 |
| Capitals Starting With R | 0 | - | 4.89 | 82,629 |
| Capitals Starting With S | 0 | - | 4.90 | 86,716 |
| Capitals Starting With T | 0 | - | 4.86 | 76,966 |
| Capitals Starting With W | 0 | - | 4.87 | 91,808 |
| Capitals Starting With A | 0 | - | 4.97 | 129,314 |
| Capitals Starting With B | 0 | - | 4.89 | 119,680 |
| Capitals Starting With D | 0 | - | 4.94 | 97,337 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,340 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,449 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,580 |
| Which City in Europe? | 0 | - | 4.83 | 108,019 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,481 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,346 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,804 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,162 |
| 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 | 111,706 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,092 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,858 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,388 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,849 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,715 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,004 |
| Former Capitals | 0 | - | 4.88 | 71,735 |
| Europe Capital to Country | 0 | - | 4.99 | 252,649 |
| Asia Capital to Country | 0 | - | 4.96 | 127,713 |
| Capital Cities Chain | 0 | - | 4.84 | 83,544 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,330 |
| European Capitals by Map | 0 | - | 4.99 | 142,635 |
| African Capitals by Map | 0 | - | 4.99 | 142,649 |
| Coldest World Capitals | 0 | - | 4.95 | 134,312 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,143 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,160 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,420 |
| European Coastal Capitals | 0 | - | 4.95 | 91,521 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,282 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,408 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,769 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,263 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,276 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,751 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,400 |
| Countries by Emojis | 0 | - | 4.99 | 242,911 |
| Random European City to Country | 0 | - | 4.69 | 118,559 |
| Random Asian City to Country | 0 | - | 4.56 | 44,643 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,011 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,905 |
| Which City in Canada? | 0 | - | 4.83 | 57,419 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,319 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 206,229 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,821 |
| Ancient City to Country | 0 | - | 4.72 | 108,409 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,711 |
| Official Cities in the UK | 0 | - | 4.89 | 286,956 |
| City-States | 0 | - | 4.53 | 37,443 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,552 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,860 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,498 |
| 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 | 51,957 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,295 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,252 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,736 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,736 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,383 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,741 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,356 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,815 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,511 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,910 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,541 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,644 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,250 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,825 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,664 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,683 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,569 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,079 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,037 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,890 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,718 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,186 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,120 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,341 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,835 |
| The Only Country ... | 0 | - | 4.91 | 82,082 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,323 |
| Boundary Waters | 0 | - | 4.92 | 88,858 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,474 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,866 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,082 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,376 |
| 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 | 54,364 |
| 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 | 71,147 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,938 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,323 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,492 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,823 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,550 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,087 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,573 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,030 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,708 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,908 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,701 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,467 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,979 |
| Name a Valid African Country | 0 | - | 4.98 | 155,303 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,148 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,442,070 |
| Resort Towns by Country | 0 | - | 4.30 | 40,101 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,529 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 121,004 |
| Cities by Airports | 0 | - | 4.48 | 104,172 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,075 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,513 |
| Cities Chain #2 | 0 | - | 4.42 | 56,553 |
| Cities Chain #1 | 0 | - | 4.61 | 66,875 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,103 |
| Random U.S. City to State | 0 | - | 4.45 | 77,047 |
| 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 | 52,016 |
| Capitals Starting With V | 0 | - | 4.80 | 38,735 |
| Capitals Starting With C | 0 | - | 4.78 | 99,192 |
| European Cities by Clue | 0 | - | 4.70 | 89,222 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,988,141 |
| Landlocked Countries | 0 | - | 4.99 | 427,477 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,577 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,888 |
| Drinks by Country | 0 | - | 4.30 | 59,535 |
| Beers by Country | 0 | - | 4.45 | 97,747 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,688 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 101,014 |
| 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 | 1,700,780 |
| 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 | 106,800 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,694 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,412 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,762 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,127 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,623 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,955 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,474 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,173 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,003 |
