| Countries of the World Quiz | 0 | - | 5.00 | 46,862,838 |
| Capital Cities Chain | 0 | - | 4.84 | 81,825 |
| Country Chain | 0 | - | 4.96 | 215,590 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,490 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,069 |
| Top World Languages | 0 | - | 4.92 | 812,149 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,546 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,294 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,907 |
| Busiest Airports in Europe | 0 | - | 4.91 | 144,806 |
| World's Busiest Airports | 0 | - | 4.94 | 210,106 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,275 |
| Cities Chain #2 | 0 | - | 4.42 | 56,149 |
| Cities Chain #1 | 0 | - | 4.61 | 66,319 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 169,098 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,892 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,879 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,151 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,104 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,001 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 123,687 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 118,744 |
| Airport Codes Quiz #1 | 0 | - | 4.82 | 212,883 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,664 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,057 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,536 |
| Random Country to Capital | 0 | - | 4.98 | 910,680 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,564 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,501 |
| Countries with Four Letters | 0 | - | 4.99 | 418,114 |
| Foods of the World by Description | 0 | - | 4.18 | 45,927 |
| Busiest Air Routes in the World | 0 | - | 4.54 | 37,926 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,894 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,176 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,297 |
| Countries by Emojis | 0 | - | 4.99 | 235,874 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,035 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,636 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,494 |
| Islands by Country #1 | 0 | - | 4.87 | 174,408 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,852 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,224 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,294 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,541 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,591 |
| Name a Valid Country #1 | 0 | - | 4.99 | 282,966 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,136 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,287 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,589 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,213 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,316 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,834 |
| World Currency Quiz | 0 | - | 4.92 | 297,907 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,672 |
| Airlines by Country | 0 | - | 4.52 | 134,724 |
| Boundary Waters | 0 | - | 4.92 | 87,996 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,192 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,945 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,752 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,053 |
| The Only Country ... | 0 | - | 4.91 | 79,737 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,324 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,384 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,275 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 61,203 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,291 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,776 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,550 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,573 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,299 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,592 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,116 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,289 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,937 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 76,990 |
| Random Countries by Borders | 0 | - | 4.99 | 81,588 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,347 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,036 |
| Tourist Route of Europe | 0 | - | 4.24 | 42,771 |
| Busiest Airports in the United States | 0 | - | 4.54 | 134,735 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,979 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,160 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,269 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,936 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,944 |
| Cities by Airports | 0 | - | 4.49 | 87,757 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,370 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,085 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,369 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,019 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,412 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,578 |
| Landlocked Countries | 0 | - | 4.99 | 412,984 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,690 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,259 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,531 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,444 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,820 |
| Flag Carrier Airlines | 0 | - | 4.19 | 50,362 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,046 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,668 |
| Airport Codes Quiz #2 | 0 | - | 4.41 | 96,092 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,005 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,372 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,116 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,918 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,491 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,855 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,083 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,550 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,845 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,828 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,308 |
| Himalayan Countries | 0 | - | 4.95 | 135,104 |
| Andean Countries | 0 | - | 4.94 | 82,691 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,103 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,026 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,790 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,497 |
| Danube Countries | 0 | - | 4.97 | 71,012 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,662 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,469 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,320 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,233 |
| European Landlocked Countries | 0 | - | 4.99 | 145,682 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,074 |
| Countries with the Most Species | 0 | - | 4.99 | 95,200 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,228 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,179 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,337 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,914 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,526 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,888 |
| Countries in the Alps | 0 | - | 4.87 | 116,709 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 81,785 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,491 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,111 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,954 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,339 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,076 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,942 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,486 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,696 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,394 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,983 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,169 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,004 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,385 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,692 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,688 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,910 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,580 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,209 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,692 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,902 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,411 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,552 |
| Largest Countries By Category | 0 | - | 4.97 | 156,648 |
| Countries by Countries | 0 | - | 4.96 | 62,185 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,250 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,937 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,531 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,308 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,674 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,808 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,248 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,923 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,646 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,461 |
| Demonyms Quiz | 0 | - | 4.15 | 184,799 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,215 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,187 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,561 |
| Longest International Borders | 0 | - | 4.99 | 263,397 |
| Countries with Three Borders | 0 | - | 4.96 | 36,140 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,568 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,615 |
| Demonym of Every Country | 0 | - | 4.91 | 58,578 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,165 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,361 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,367 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,323 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,874 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,837 |
| Island Countries | 0 | - | 4.99 | 707,304 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,499 |
| Countries With One Word and Two U's | 0 | - | 4.50 | 50,362 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,932 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,539 |
| Northernmost Countries | 0 | - | 4.99 | 357,331 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,437 |
| Countries by Milk Production | 0 | - | 4.54 | 43,575 |
| Mountains by Country | 0 | - | 4.64 | 81,526 |
| Islands by Country #2 | 0 | - | 4.80 | 76,944 |
| Countries of South America | 0 | - | 5.00 | 913,611 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,935 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,649 |
| "Land" Countries | 0 | - | 4.98 | 333,459 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,075 |
