| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,290 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,393 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,655 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,064 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,591 |
| Sea in the Answers | 0 | - | 4.10 | 48,772 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,565 |
| Landforms by Country | 0 | - | 4.52 | 51,951 |
| African Great Lakes | 0 | - | 4.82 | 65,948 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,010 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,243 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,302 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,364 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,611,375 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,777 |
| Random Country to Capital | 0 | - | 4.98 | 917,086 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,096,914 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,173 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,762 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,649 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,877 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,584 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,068 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,809 |
| Countries with Four Letters | 0 | - | 4.99 | 421,210 |
| Rivers of the United States | 0 | - | 4.93 | 66,013 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 69,022 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,118 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,707 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,452 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,780 |
| African Physical Geography | 0 | - | 4.51 | 31,644 |
| Asian Physical Geography | 0 | - | 4.60 | 35,470 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,176 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,199 |
| Capital Cities Chain | 0 | - | 4.83 | 82,409 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,580 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,325 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,560 |
| Country Chain | 0 | - | 4.96 | 216,699 |
| Countries by Emojis | 0 | - | 4.99 | 238,372 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,414 |
| Islands by Country #1 | 0 | - | 4.88 | 175,010 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,300 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,646 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,581 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,678 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,847 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,278 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,152 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,768 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,702 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,040 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,769 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,670 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,038 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,016 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,721 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,567 |
| Capitals by River | 0 | - | 4.55 | 48,286 |
| The Only Country ... | 0 | - | 4.91 | 80,672 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,462 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,871 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,863 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,581 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,242 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,400 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,034 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,240 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,295 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,597 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,417 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,746 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,704 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,971 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,928 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,603 |
| Random Countries by Borders | 0 | - | 4.99 | 82,212 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 381,499 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,509 |
| Geological Extremes | 0 | - | 4.34 | 39,996 |
| European Physical Geography | 0 | - | 4.26 | 33,451 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,770 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,247 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,632 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,379 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,510 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,389 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,180 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,261 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,748 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,164 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,094 |
| South China Sea Countries | 0 | - | 4.78 | 57,633 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 136,984 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,624 |
| National Animals | 0 | - | 4.24 | 89,574 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,687 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,178 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,116 |
| Bear in the Answers | 0 | - | 4.29 | 61,810 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,141 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,749 |
| Cities Chain #2 | 0 | - | 4.42 | 56,294 |
| Cities Chain #1 | 0 | - | 4.61 | 66,548 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,471 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,276,030 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 974,084 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,823 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,780 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,007 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,017 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,893 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,718 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,664 |
| South American Physical Geography | 0 | - | 4.58 | 18,325 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,211 |
| Seas of Europe | 0 | - | 4.37 | 84,555 |
| Boundary Waters | 0 | - | 4.92 | 88,338 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,051 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,834 |
| World Capitals Quiz | 0 | - | 5.00 | 5,059,127 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,338 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,392 |
| Landlocked Countries | 0 | - | 4.99 | 418,096 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,298 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,559 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,717 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,893 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 49,056 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,530 |
| Countries by Milk Production | 0 | - | 4.54 | 43,871 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,121 |
| Mountains by Country | 0 | - | 4.56 | 81,708 |
| Islands by Country #2 | 0 | - | 4.80 | 77,281 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,751,645 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,152 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,209 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,075 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 238,918 |
| Animal Emojis | 0 | - | 4.73 | 83,936 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,466 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,544 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,555 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,782 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,231 |
| Fictional Cities | 0 | - | 4.25 | 47,924 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,103 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,321 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 486,760 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,182 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,905 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,141 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,068 |
| Cities that End in I by Clue | 0 | - | 4.61 | 57,221 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,900 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,375 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,672 |
| Island Countries | 0 | - | 4.99 | 709,397 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,571 |
| Himalayan Countries | 0 | - | 4.94 | 137,058 |
| Andean Countries | 0 | - | 4.95 | 83,746 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,997 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,370 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,669 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,240 |
| Danube Countries | 0 | - | 4.97 | 71,569 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,428 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,978 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,495 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,550 |
| European Landlocked Countries | 0 | - | 4.99 | 146,676 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,007 |
| Countries with the Most Species | 0 | - | 4.99 | 102,763 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,146 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,392 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,555 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,253 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,923 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,306 |
| Countries in the Alps | 0 | - | 4.87 | 117,564 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,045 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,204 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,363 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,899 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,009 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,388 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,171 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,119 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,920 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,482 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,439 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,300 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,167 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,862 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,124 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,149 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,010 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,000 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,523 |
