| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,299 |
| African Great Lakes | 0 | - | 4.82 | 66,835 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,656 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,565 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,625 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,827 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,263 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,913 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,438 |
| South China Sea Countries | 0 | - | 4.78 | 57,819 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,822 |
| Landforms by Country | 0 | - | 4.52 | 52,011 |
| Capitals by River | 0 | - | 4.55 | 48,376 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,997 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,348 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,646,789 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,136 |
| Random Country to Capital | 0 | - | 4.98 | 926,212 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,745 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,164 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,444 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,767 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,537 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,874 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,326 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,460 |
| Countries with Four Letters | 0 | - | 4.99 | 425,122 |
| Rivers of the United States | 0 | - | 4.93 | 66,576 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,685 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,519 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,253 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,173 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,400 |
| African Physical Geography | 0 | - | 4.51 | 31,794 |
| Asian Physical Geography | 0 | - | 4.61 | 35,601 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,420 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 739,067 |
| Capital Cities Chain | 0 | - | 4.84 | 83,238 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,431 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,733 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,145 |
| Country Chain | 0 | - | 4.96 | 218,199 |
| Countries by Emojis | 0 | - | 4.99 | 241,426 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,982 |
| Islands by Country #1 | 0 | - | 4.90 | 176,153 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,107 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,433 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,296 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,404 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,555 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,543 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,345 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,610 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,656 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,539 |
| Name a Valid Country #6 | 0 | - | 4.95 | 143,769 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,431 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,586 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,171 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,160 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,179 |
| The Only Country ... | 0 | - | 4.91 | 81,721 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,569 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,595 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,547 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,002 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,806 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,255 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,528 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,752 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,694 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,391 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,766 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,969 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,954 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,023 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,452 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,469 |
| Random Countries by Borders | 0 | - | 4.99 | 82,908 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,722 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,297 |
| Geological Extremes | 0 | - | 4.34 | 40,094 |
| European Physical Geography | 0 | - | 4.26 | 33,581 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,836 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,520 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,843 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,272 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,540 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,950 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,492 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,938 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,851 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,755 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,581 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,180 |
| National Animals | 0 | - | 4.24 | 90,178 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,616 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,682 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,780 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,552 |
| Bear in the Answers | 0 | - | 4.29 | 62,224 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,410 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,330 |
| Cities Chain #2 | 0 | - | 4.42 | 56,490 |
| Cities Chain #1 | 0 | - | 4.61 | 66,780 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,083 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,777,884 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 981,523 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,118 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,015 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,970 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,648 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,942 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,442 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,717 |
| South American Physical Geography | 0 | - | 4.58 | 18,389 |
| Seas of Europe | 0 | - | 4.37 | 84,857 |
| Boundary Waters | 0 | - | 4.92 | 88,709 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,366 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,561 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,788 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,440 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,469 |
| Landlocked Countries | 0 | - | 4.99 | 424,462 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,180 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,652 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,015 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,691 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,360 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,661 |
| Countries by Milk Production | 0 | - | 4.54 | 44,184 |
| Mountains by Country | 0 | - | 4.56 | 81,950 |
| Islands by Country #2 | 0 | - | 4.80 | 77,779 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,795,999 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,587 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,360 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,352 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 242,167 |
| Animal Emojis | 0 | - | 4.74 | 85,106 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,854 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,284 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,805 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,838 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,231 |
| Fictional Cities | 0 | - | 4.26 | 47,976 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,219 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,695 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,805 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,397 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,165 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,438 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,292 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,502 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,117 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,293 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,935 |
| Island Countries | 0 | - | 4.99 | 712,049 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,608 |
| Himalayan Countries | 0 | - | 4.94 | 139,751 |
| Andean Countries | 0 | - | 4.94 | 85,176 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,359 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,618 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,924 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,218 |
| Danube Countries | 0 | - | 4.97 | 72,271 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,403 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,699 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,846 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,350 |
| European Landlocked Countries | 0 | - | 4.99 | 147,449 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,076 |
| Countries with the Most Species | 0 | - | 4.99 | 103,476 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,218 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,709 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,820 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,739 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,472 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,901 |
| Countries in the Alps | 0 | - | 4.87 | 118,575 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,294 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,585 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,860 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,883 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,803 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,132 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,147 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,744 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,334 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,058 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,789 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,658 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,567 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,447 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,678 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,769 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,508 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,517 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,513 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,481 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,180 |
