| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,104 |
| African Great Lakes | 0 | - | 4.82 | 66,241 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,379 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,404 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,443 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,437 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,714 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,752 |
| Sea in the Answers | 0 | - | 4.10 | 48,926 |
| South China Sea Countries | 0 | - | 4.78 | 57,697 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,661 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,747 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,461 |
| Landforms by Country | 0 | - | 4.52 | 51,970 |
| Capitals by River | 0 | - | 4.55 | 48,312 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,865 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,630 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,173 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,622,382 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,965 |
| Random Country to Capital | 0 | - | 4.98 | 920,337 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,101,371 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,798 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,161 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,766 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,704 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,341 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,490 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,184 |
| Countries with Four Letters | 0 | - | 4.99 | 422,357 |
| Rivers of the United States | 0 | - | 4.93 | 66,190 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,568 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,580 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,831 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,605 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,589 |
| Countries by Milk Production | 0 | - | 4.54 | 43,978 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,271 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,962 |
| African Physical Geography | 0 | - | 4.51 | 31,700 |
| Asian Physical Geography | 0 | - | 4.61 | 35,521 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,250 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 720,601 |
| Capital Cities Chain | 0 | - | 4.83 | 82,722 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,879 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,641 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,306 |
| Country Chain | 0 | - | 4.96 | 217,080 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 81,067 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,270 |
| Countries by Emojis | 0 | - | 4.99 | 239,670 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,924 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,921 |
| Islands by Country #1 | 0 | - | 4.88 | 175,273 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,515 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,870 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,717 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,693 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,253 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,298 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,996 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,816 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,675 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,551 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,958 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,408 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,252 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,631 |
| Foods of the World by Description | 0 | - | 4.18 | 46,031 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,072 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,946 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,764 |
| The Only Country ... | 0 | - | 4.91 | 81,023 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,916 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,189 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,106 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,681 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,197 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,067 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,041 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,183 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,805 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,521 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,563 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,493 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,436 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,076 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,067 |
| Random Countries by Borders | 0 | - | 4.99 | 82,429 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,402 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,043 |
| Geological Extremes | 0 | - | 4.34 | 40,023 |
| European Physical Geography | 0 | - | 4.26 | 33,509 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,803 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,334 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,759 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,229 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,107 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,020 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,586 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,007 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,586 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,487 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,114 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,495 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,322 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,879 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,139 |
| National Animals | 0 | - | 4.24 | 89,672 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,348 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,746 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,696 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,795 |
| Fruits by Picture | 0 | - | 4.19 | 807,270 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,220 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,985 |
| Cities Chain #2 | 0 | - | 4.42 | 56,367 |
| Cities Chain #1 | 0 | - | 4.61 | 66,624 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,585 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,446,561 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 976,671 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,969 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,873 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,647 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,108 |
| Foods by Country of Origin #2 | 0 | - | 3.67 | 59,514 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 106,828 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,683 |
| South American Physical Geography | 0 | - | 4.58 | 18,346 |
| Seas of Europe | 0 | - | 4.37 | 84,643 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,295 |
| Boundary Waters | 0 | - | 4.92 | 88,457 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,159 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,072 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,727 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,567 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,428 |
| Landlocked Countries | 0 | - | 4.99 | 420,323 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,492 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,582 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,501 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,947 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,206 |
| Mountains by Country | 0 | - | 4.56 | 81,772 |
| Islands by Country #2 | 0 | - | 4.80 | 77,420 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,560 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,313 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,172 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 239,790 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,552 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,399 |
| Animal Emojis | 0 | - | 4.73 | 84,556 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,590 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,820 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,937 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,164 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,159 |
| Fictional Cities | 0 | - | 4.26 | 47,941 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,139 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,080 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,960 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,236 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,962 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,230 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,125 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,292 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,941 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,002 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,145 |
| Island Countries | 0 | - | 4.99 | 710,321 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,635 |
| Himalayan Countries | 0 | - | 4.95 | 138,034 |
| Andean Countries | 0 | - | 4.95 | 84,232 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,455 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,267 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,095 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,534 |
| Danube Countries | 0 | - | 4.97 | 71,811 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,755 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,200 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,936 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,371 |
| European Landlocked Countries | 0 | - | 4.99 | 146,947 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,345 |
| Countries with the Most Species | 0 | - | 4.99 | 103,073 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,508 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,493 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,651 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,431 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,496 |
| Countries in the Alps | 0 | - | 4.87 | 117,940 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,062 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,663 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,539 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,434 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,282 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,826 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,454 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,324 |
