| African Great Lakes | 0 | - | 4.82 | 65,073 |
| Sea in the Answers | 0 | - | 4.10 | 48,519 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,765 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,795 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,050 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,118 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,763 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,051 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,688 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,433 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,268 |
| Landforms by Country | 0 | - | 4.52 | 51,911 |
| Capitals by River | 0 | - | 4.55 | 48,223 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,585,060 |
| South China Sea Countries | 0 | - | 4.78 | 57,475 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,780 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,934 |
| Random Country to Capital | 0 | - | 4.98 | 910,920 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,917 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,559 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,276 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,560 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,958 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 115,948 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,138 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,383 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,372 |
| Countries with Four Letters | 0 | - | 4.99 | 418,233 |
| Asian Physical Geography | 0 | - | 4.61 | 35,363 |
| Rivers of the United States | 0 | - | 4.93 | 65,447 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,700 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,085 |
| Capital Cities Chain | 0 | - | 4.84 | 81,852 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,915 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,211 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,329 |
| Country Chain | 0 | - | 4.96 | 215,615 |
| Countries by Emojis | 0 | - | 4.99 | 235,943 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,717 |
| Islands by Country #1 | 0 | - | 4.87 | 174,425 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,868 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,236 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,304 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,592 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,354 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,648 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,079 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,192 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,353 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,645 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,258 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,347 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,206 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,892 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,275 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,806 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,642 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,883 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,959 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,064 |
| The Only Country ... | 0 | - | 4.91 | 79,772 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,353 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,400 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,285 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,298 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,787 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,577 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,588 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,357 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,643 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,163 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,321 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,167 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,038 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,437 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,558 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,977 |
| Random Countries by Borders | 0 | - | 4.99 | 81,607 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,154 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,095 |
| Geological Extremes | 0 | - | 4.34 | 39,924 |
| African Physical Geography | 0 | - | 4.51 | 31,560 |
| European Physical Geography | 0 | - | 4.26 | 33,368 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,736 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,986 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,466 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,322 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,410 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,082 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,596 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,587 |
| National Animals | 0 | - | 4.24 | 89,131 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,561 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,041 |
| Bear in the Answers | 0 | - | 4.29 | 61,584 |
| Boundary Waters | 0 | - | 4.92 | 88,016 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,211 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,950 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,384 |
| Cities Chain #2 | 0 | - | 4.42 | 56,154 |
| Cities Chain #1 | 0 | - | 4.61 | 66,324 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,095 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,859 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,861 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,875,046 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,824 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,597 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,585 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,283 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,551 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,481 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,824 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,764 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,287 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,630 |
| South American Physical Geography | 0 | - | 4.58 | 18,264 |
| Seas of Europe | 0 | - | 4.37 | 83,793 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,851 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,454 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,327 |
| Landlocked Countries | 0 | - | 4.99 | 413,124 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,849 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,509 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,186 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,938 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,442 |
| Countries by Milk Production | 0 | - | 4.54 | 43,583 |
| Mountains by Country | 0 | - | 4.64 | 81,531 |
| Islands by Country #2 | 0 | - | 4.80 | 76,958 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,974 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,602 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,079 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,198 |
| Animal Emojis | 0 | - | 4.69 | 83,250 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,125 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,941 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,507 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,874 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,306 |
| Fictional Cities | 0 | - | 4.25 | 47,865 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,008 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,797 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,110 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,068 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,745 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,944 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,901 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,035 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,763 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,929 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,245 |
| Island Countries | 0 | - | 4.99 | 707,378 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,365 |
| Himalayan Countries | 0 | - | 4.95 | 135,151 |
| Andean Countries | 0 | - | 4.94 | 82,722 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,143 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,067 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,813 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,510 |
| Danube Countries | 0 | - | 4.97 | 71,026 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,690 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,483 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,348 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,271 |
| European Landlocked Countries | 0 | - | 4.99 | 145,694 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,103 |
| Countries with the Most Species | 0 | - | 4.99 | 95,213 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,252 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,187 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,345 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,924 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,537 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,893 |
| Countries in the Alps | 0 | - | 4.87 | 116,738 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,505 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,147 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,967 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,360 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,092 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,953 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,504 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,708 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,805 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,004 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,010 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 65,853 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,395 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,701 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,700 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,945 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,589 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,216 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,720 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,980 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,466 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,561 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,421 |
