| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,139 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,171 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,587 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,945 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,455 |
| Sea in the Answers | 0 | - | 4.10 | 48,698 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,457 |
| Landforms by Country | 0 | - | 4.52 | 51,939 |
| African Great Lakes | 0 | - | 4.82 | 65,706 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,935 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,104 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,201 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,296 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,604,668 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,404 |
| Random Country to Capital | 0 | - | 4.98 | 915,113 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,459 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,038 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,656 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,116 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,404 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,183 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,835 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,705 |
| Countries with Four Letters | 0 | - | 4.99 | 420,374 |
| Rivers of the United States | 0 | - | 4.93 | 65,838 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,679 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,860 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,620 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,705 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,740 |
| Asian Physical Geography | 0 | - | 4.61 | 35,448 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,119 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,214 |
| Capital Cities Chain | 0 | - | 4.84 | 82,264 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,393 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,018 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 170,330 |
| Country Chain | 0 | - | 4.96 | 216,433 |
| Countries by Emojis | 0 | - | 4.99 | 237,828 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,338 |
| Islands by Country #1 | 0 | - | 4.87 | 174,831 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,185 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,539 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,507 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,050 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,755 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,728 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,080 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,088 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,068 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,861 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,316 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,263 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,626 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,989 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,660 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,353 |
| Capitals by River | 0 | - | 4.55 | 48,270 |
| The Only Country ... | 0 | - | 4.91 | 80,459 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,917 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,711 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,732 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,521 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,124 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,209 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,914 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,727 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,835 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,223 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,098 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,270 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,278 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,856 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,837 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,471 |
| Random Countries by Borders | 0 | - | 4.99 | 81,970 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,631 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,134 |
| Geological Extremes | 0 | - | 4.34 | 39,981 |
| African Physical Geography | 0 | - | 4.51 | 31,621 |
| European Physical Geography | 0 | - | 4.26 | 33,426 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,757 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,208 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,597 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,819 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,108 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,140 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,816 |
| Capitals in Random Squares of the World Map | 0 | - | 4.91 | 75,139 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,497 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,948 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,955 |
| South China Sea Countries | 0 | - | 4.78 | 57,591 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 136,413 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,314 |
| National Animals | 0 | - | 4.24 | 89,497 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,305 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,840 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,750 |
| Bear in the Answers | 0 | - | 4.29 | 61,732 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,096 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,668 |
| Cities Chain #2 | 0 | - | 4.42 | 56,247 |
| Cities Chain #1 | 0 | - | 4.61 | 66,477 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,394 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,170,672 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 971,103 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,773 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,736 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 94,180 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,955 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,861 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,568 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,658 |
| South American Physical Geography | 0 | - | 4.58 | 18,312 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,200 |
| Seas of Europe | 0 | - | 4.37 | 84,487 |
| Boundary Waters | 0 | - | 4.92 | 88,235 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,970 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,659 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,181 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,175 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,370 |
| Landlocked Countries | 0 | - | 4.99 | 416,745 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,178 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,546 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,671 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,863 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 49,030 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,506 |
| Countries by Milk Production | 0 | - | 4.54 | 43,793 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 335,816 |
| Mountains by Country | 0 | - | 4.64 | 81,650 |
| Islands by Country #2 | 0 | - | 4.80 | 77,197 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,741,159 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,009 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,179 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,016 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 238,193 |
| Animal Emojis | 0 | - | 4.73 | 83,733 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,375 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,351 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,301 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,550 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,935 |
| Fictional Cities | 0 | - | 4.25 | 47,906 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,083 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,046 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 486,025 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,154 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,872 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,092 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,020 |
| Cities that End in I by Clue | 0 | - | 4.61 | 57,182 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,869 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,860 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,848 |
| Island Countries | 0 | - | 4.99 | 708,853 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,979 |
| Himalayan Countries | 0 | - | 4.95 | 136,536 |
| Andean Countries | 0 | - | 4.95 | 83,507 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,772 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,030 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,437 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,039 |
| Danube Countries | 0 | - | 4.97 | 71,440 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,226 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,855 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,170 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,153 |
| European Landlocked Countries | 0 | - | 4.99 | 146,138 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,784 |
| Countries with the Most Species | 0 | - | 4.99 | 101,799 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,910 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,336 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,516 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,165 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,813 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,195 |
| Countries in the Alps | 0 | - | 4.86 | 117,342 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,914 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,926 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,260 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,750 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,833 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,260 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,997 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,999 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,812 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,335 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,371 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,206 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,057 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,733 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,008 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,014 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,734 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,902 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,434 |
