| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,153 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,185 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,595 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,955 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,468 |
| Sea in the Answers | 0 | - | 4.10 | 48,703 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,469 |
| Landforms by Country | 0 | - | 4.52 | 51,939 |
| African Great Lakes | 0 | - | 4.82 | 65,725 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,939 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,115 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,206 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,300 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,605,101 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,587 |
| Random Country to Capital | 0 | - | 4.98 | 915,253 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,675 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,055 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,664 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,167 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,433 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,222 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,859 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,714 |
| Countries with Four Letters | 0 | - | 4.99 | 420,429 |
| Rivers of the United States | 0 | - | 4.93 | 65,852 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,710 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,886 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,632 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,785 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,742 |
| Asian Physical Geography | 0 | - | 4.61 | 35,453 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,128 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,354 |
| Capital Cities Chain | 0 | - | 4.84 | 82,276 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,416 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,044 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 170,354 |
| Country Chain | 0 | - | 4.96 | 216,453 |
| Countries by Emojis | 0 | - | 4.99 | 237,874 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,345 |
| Islands by Country #1 | 0 | - | 4.87 | 174,843 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,191 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,548 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,515 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,118 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,767 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,774 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,184 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,145 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,131 |
| Name a Valid Country #5 | 0 | - | 4.99 | 205,019 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,360 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,297 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,662 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,989 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,664 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,364 |
| Capitals by River | 0 | - | 4.55 | 48,270 |
| The Only Country ... | 0 | - | 4.91 | 80,478 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,934 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,720 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,746 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,522 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,133 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,227 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,929 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,767 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,879 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,257 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,125 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,308 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,316 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,866 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,845 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,485 |
| Random Countries by Borders | 0 | - | 4.99 | 82,008 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,730 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,164 |
| Geological Extremes | 0 | - | 4.34 | 39,981 |
| African Physical Geography | 0 | - | 4.51 | 31,623 |
| European Physical Geography | 0 | - | 4.26 | 33,429 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,757 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,209 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,603 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,870 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,151 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,153 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,831 |
| Capitals in Random Squares of the World Map | 0 | - | 4.91 | 75,147 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,518 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,966 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,968 |
| South China Sea Countries | 0 | - | 4.78 | 57,594 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 136,470 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,340 |
| National Animals | 0 | - | 4.24 | 89,502 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,329 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,875 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,780 |
| Bear in the Answers | 0 | - | 4.29 | 61,739 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,102 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,677 |
| Cities Chain #2 | 0 | - | 4.42 | 56,255 |
| Cities Chain #1 | 0 | - | 4.61 | 66,490 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,397 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,179,510 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 971,443 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,777 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,740 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 94,333 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,958 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,864 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,580 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,658 |
| South American Physical Geography | 0 | - | 4.58 | 18,313 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,202 |
| Seas of Europe | 0 | - | 4.37 | 84,493 |
| Boundary Waters | 0 | - | 4.92 | 88,247 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,979 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,670 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,782 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,189 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,370 |
| Landlocked Countries | 0 | - | 4.99 | 416,873 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,191 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,546 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,674 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,865 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 49,032 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,507 |
| Countries by Milk Production | 0 | - | 4.54 | 43,798 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 335,847 |
| Mountains by Country | 0 | - | 4.64 | 81,653 |
| Islands by Country #2 | 0 | - | 4.80 | 77,206 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,742,090 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,030 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,180 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,025 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 238,259 |
| Animal Emojis | 0 | - | 4.73 | 83,753 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,385 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,373 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,315 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,571 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,075 |
| Fictional Cities | 0 | - | 4.25 | 47,906 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,083 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,370 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 486,084 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,155 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,876 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,098 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,023 |
| Cities that End in I by Clue | 0 | - | 4.61 | 57,184 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,871 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,897 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,924 |
| Island Countries | 0 | - | 4.99 | 708,894 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,029 |
| Himalayan Countries | 0 | - | 4.95 | 136,588 |
| Andean Countries | 0 | - | 4.95 | 83,533 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,788 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,065 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,462 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,053 |
| Danube Countries | 0 | - | 4.97 | 71,452 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,259 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,865 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,196 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,179 |
| European Landlocked Countries | 0 | - | 4.99 | 146,148 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,807 |
| Countries with the Most Species | 0 | - | 4.99 | 102,005 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,934 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,342 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,519 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,177 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,827 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,206 |
| Countries in the Alps | 0 | - | 4.86 | 117,363 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,923 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,941 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,270 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,763 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,851 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,275 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,009 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,004 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,824 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,356 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,373 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,214 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,064 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,743 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,018 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,024 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,761 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,911 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,442 |