| African Great Lakes | 0 | - | 4.82 | 66,595 |
| Sea in the Answers | 0 | - | 4.08 | 49,050 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,217 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,554 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,488 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,545 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,684 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,189 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,038 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,846 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,756 |
| Landforms by Country | 0 | - | 4.52 | 51,991 |
| Capitals by River | 0 | - | 4.55 | 48,353 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,636,791 |
| South China Sea Countries | 0 | - | 4.78 | 57,771 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,263 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,844 |
| Random Country to Capital | 0 | - | 4.98 | 923,703 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,106,854 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,018 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,330 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,854 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,689 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,176 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,942 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,341 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,141 |
| Countries with Four Letters | 0 | - | 4.99 | 423,727 |
| African Physical Geography | 0 | - | 4.51 | 31,756 |
| Asian Physical Geography | 0 | - | 4.61 | 35,571 |
| Rivers of the United States | 0 | - | 4.93 | 66,393 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,152 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,069 |
| Capital Cities Chain | 0 | - | 4.84 | 83,033 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,181 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,259 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,577 |
| Country Chain | 0 | - | 4.96 | 217,759 |
| Countries by Emojis | 0 | - | 4.99 | 240,661 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,082 |
| Islands by Country #1 | 0 | - | 4.90 | 175,634 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,792 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,165 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,919 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,656 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,420 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,866 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,748 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,737 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,885 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,881 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,124 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,855 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,226 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,205 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 729,409 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,056 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,957 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,947 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,131 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,348 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,027 |
| The Only Country ... | 0 | - | 4.91 | 81,501 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,265 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,414 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,340 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,900 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,649 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,023 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,393 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,938 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,966 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,813 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,267 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,397 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,350 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,706 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,290 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,313 |
| Random Countries by Borders | 0 | - | 4.99 | 82,731 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,343 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,569 |
| Geological Extremes | 0 | - | 4.34 | 40,070 |
| European Physical Geography | 0 | - | 4.26 | 33,549 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,822 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,437 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,807 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,430 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,566 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,006 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,568 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,847 |
| National Animals | 0 | - | 4.24 | 89,794 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,747 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,660 |
| Bear in the Answers | 0 | - | 4.29 | 62,130 |
| Boundary Waters | 0 | - | 4.92 | 88,613 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,285 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,358 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,330 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,187 |
| Cities Chain #2 | 0 | - | 4.42 | 56,443 |
| Cities Chain #1 | 0 | - | 4.61 | 66,702 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,718 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,713 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,571 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,642,593 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 979,424 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,060 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,952 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,171 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,763 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,243 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,716 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,356 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,064 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,265 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,704 |
| South American Physical Geography | 0 | - | 4.58 | 18,376 |
| Seas of Europe | 0 | - | 4.37 | 84,766 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,960 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,854 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,452 |
| Landlocked Countries | 0 | - | 4.99 | 422,731 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,978 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,624 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,936 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,605 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,309 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,630 |
| Countries by Milk Production | 0 | - | 4.54 | 44,102 |
| Mountains by Country | 0 | - | 4.56 | 81,865 |
| Islands by Country #2 | 0 | - | 4.80 | 77,607 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,087 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,487 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,320 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 241,033 |
| Animal Emojis | 0 | - | 4.74 | 84,893 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,748 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,098 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,517 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,530 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,292 |
| Fictional Cities | 0 | - | 4.26 | 47,960 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,182 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,520 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 489,708 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,353 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,100 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,385 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,236 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,435 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,063 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,739 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,796 |
| Island Countries | 0 | - | 4.99 | 711,311 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,896 |
| Himalayan Countries | 0 | - | 4.95 | 139,069 |
| Andean Countries | 0 | - | 4.93 | 84,821 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,050 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,138 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,629 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,944 |
| Danube Countries | 0 | - | 4.97 | 72,109 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,143 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,513 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,477 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,969 |
| European Landlocked Countries | 0 | - | 4.99 | 147,246 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,786 |
| Countries with the Most Species | 0 | - | 4.99 | 103,321 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,911 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,635 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,757 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,604 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,332 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,752 |
| Countries in the Alps | 0 | - | 4.87 | 118,327 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,608 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,216 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,729 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,686 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,598 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,008 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,766 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,578 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,230 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,936 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,699 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,578 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,466 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,307 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,546 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,612 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,080 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,376 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,562 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,221 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,353 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,361 |
