| Countries by Road Signs | 0 | - | 4.98 | 44,823 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,312 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,800 |
| All Country Flags of the World | 0 | - | 5.00 | 2,929,387 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,353,401 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 996,039 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 667,536 |
| Flags with Crescents | 0 | - | 4.98 | 141,975 |
| Country Flag Trivia | 0 | - | 4.87 | 43,098 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 75,019 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 55,343 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 41,248 |
| Landmarks Picture Quiz #1 | 0 | - | 4.20 | 359,063 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,035,499 |
| Flags of Asia Quiz | 0 | - | 4.99 | 520,194 |
| Countries by Satellite Image #1 | 0 | - | 4.87 | 128,484 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 75,389 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,184 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 112,132 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 88,037 |
| Flags with the Most Stars | 0 | - | 4.90 | 104,846 |
| Flags that are Red & White Only | 0 | - | 4.97 | 130,214 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 124,331 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 34,225 |
| Four Countries with Similar Flags #2 | 0 | - | 4.88 | 34,873 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 42,659 |
| Pixelated World Map | 0 | - | 5.00 | 127,194 |
| Country Flags with the Most Red | 0 | - | 4.97 | 90,315 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 78,635 |
| Country Flags with the Most Green | 0 | - | 4.95 | 78,979 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 80,500 |
| Country Flags with the Most Yellow | 0 | - | 4.92 | 77,207 |
| Country Flags with the Most Black | 0 | - | 4.94 | 85,422 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,027 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 43,583 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 81,309 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 62,328 |
| Countries by Partial Flag Images #5 | 0 | - | 4.97 | 47,935 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 57,918 |
| World Coats of Arms | 0 | - | 4.99 | 55,009 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,433 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 81,728 |
| Flags of Africa Quiz | 0 | - | 4.99 | 382,419 |
| Flags to Languages | 0 | - | 4.95 | 152,505 |
| Former Flags | 0 | - | 4.98 | 80,868 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 32,916 |
| Boundary Waters | 0 | - | 4.93 | 80,555 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,025 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 43,731 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 50,658 |
| Countries by Partial Flag Images #6 | 0 | - | 4.92 | 26,606 |
| Geography by Picture - G | 0 | - | 4.41 | 45,116 |
| Geography by Picture - H | 0 | - | 4.52 | 54,897 |
| Geography by Picture - N | 0 | - | 4.46 | 39,351 |
| Geography by Picture - R | 0 | - | 4.55 | 38,397 |
| Geography by Picture - T | 0 | - | 4.64 | 54,462 |
| Flags of Oceania | 0 | - | 5.00 | 213,244 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 307,075 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,903 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 123,676 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,241 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,665 |
| Pixelated Europe Map | 0 | - | 4.90 | 108,709 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 26,373 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,571,229 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,860 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 318,983 |
| Random Flag to Country | 0 | - | 4.99 | 500,698 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 93,505 |
| Countries by Bordering Flags #2 | 0 | - | 4.89 | 74,967 |
| Random Flags Quiz | 0 | - | 4.41 | 254,126 |
| Flags of the Mediterranean | 0 | - | 4.94 | 123,256 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 113,635 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 122,262 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 103,284 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 83,861 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 45,460 |
| Satellite Images Quiz #6 | 0 | - | 4.52 | 35,371 |
| Cities by Picture #1 | 0 | - | 4.66 | 76,447 |
| Name that Historical Figure #1 | 0 | - | 4.64 | 292,726 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 246,395 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,958 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 83,080 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,420 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,039 |
| World Capitals Quiz | 0 | - | 5.00 | 4,468,905 |
| Countries on the Equator | 0 | - | 4.83 | 133,373 |
| Members of the Arab League | 0 | - | 4.83 | 59,871 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,557 |
| Himalayan Countries | 0 | - | 4.95 | 102,943 |
| Andean Countries | 0 | - | 4.90 | 57,215 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 58,058 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,683 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,040 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,650 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,844 |
| Danube Countries | 0 | - | 4.97 | 56,411 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,451 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,648 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,547 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,917 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,553 |
| European Landlocked Countries | 0 | - | 4.99 | 114,903 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,892 |
| Countries with the Most Species | 0 | - | 4.99 | 89,119 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,955 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,500 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,859 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,855 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,183 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,506 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,781 |
| Countries in the Alps | 0 | - | 4.83 | 102,011 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,805 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,086 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,213 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,843 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,500 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,170 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,189 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,849 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,119 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,272 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,016 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,388 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,473 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,084 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,597 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,087 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,914 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,036 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,047 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,684 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,740 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,029 |
| Largest Countries By Category | 0 | - | 4.96 | 144,093 |
| Countries by Countries | 0 | - | 4.96 | 54,219 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,031,165 |
| Country Flags with the Most White | 0 | - | 4.90 | 118,177 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,453 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,494 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,557 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,553 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,891 |
| Geography by Picture - A | 0 | - | 4.35 | 56,592 |
| Geography by Picture - B | 0 | - | 4.36 | 52,148 |
| Geography by Picture - D | 0 | - | 4.10 | 42,992 |
| Geography by Picture - F | 0 | - | 4.25 | 48,058 |
| Geography by Picture - J | 0 | - | 4.14 | 36,180 |
| Geography by Picture - C | 0 | - | 4.28 | 53,968 |
| Geography by Picture - L | 0 | - | 4.34 | 55,529 |
| Geography by Picture - M | 0 | - | 4.11 | 38,209 |
| Geography by Picture - P | 0 | - | 4.28 | 39,944 |
| Geography by Picture - S | 0 | - | 4.35 | 44,317 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 85,713 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,287 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,306 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 180,369 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,302 |
| Longest International Borders | 0 | - | 4.99 | 233,086 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,546 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,505 |
| Demonym of Every Country | 0 | - | 4.91 | 48,985 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,413 |
| Islands by Picture | 0 | - | 4.31 | 90,505 |
| Former Countries by Territory Map | 0 | - | 4.96 | 84,979 |
| Empires by Maps | 0 | - | 4.98 | 93,035 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,372,428 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 339,086 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,589 |
| Island Countries Quiz | 0 | - | 4.99 | 639,708 |
| Countries by Satellite Image #3 | 0 | - | 4.66 | 65,791 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 63,810 |
| Countries by Satellite Image #4 | 0 | - | 4.72 | 61,882 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 43,598 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,311 |
| Similar Flags #1 | 0 | - | 4.72 | 110,074 |
| Similar Flags #2 | 0 | - | 4.79 | 111,914 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.76 | 41,049 |
| Countries by Coat of Arms #2 | 0 | - | 4.77 | 32,109 |
| Biggest Countries by Area | 0 | - | 5.00 | 926,676 |
| Northernmost Countries | 0 | - | 4.99 | 325,719 |
| Countries of South America | 0 | - | 5.00 | 785,654 |
| Countries of Oceania | 0 | - | 5.00 | 884,622 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,118,765 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,556,518 |
| Countries by Picture #1 | 0 | - | 4.51 | 88,608 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,159 |
| Guess the Country by a Picture Hint | 0 | - | 4.41 | 41,752 |
| Satellite Images - Island Chains | 0 | - | 4.42 | 56,803 |
| Islands by Satellite Image #1 | 0 | - | 4.72 | 61,632 |
| Top World Languages | 0 | - | 4.91 | 700,948 |
| Airline Logos | 0 | - | 4.43 | 126,716 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.96 | 108,690 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 39,704 |
| Europe Map Quiz | 0 | - | 5.00 | 4,265,297 |
| Emoji Flags | 0 | - | 4.34 | 40,373 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 149,317 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,108 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 25,837 |
