| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,947 |
| All Country Flags of the World | 0 | - | 5.00 | 3,067,986 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,393,194 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,016,981 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 681,521 |
| Flags with Crescents | 0 | - | 4.98 | 146,803 |
| Country Flag Trivia | 0 | - | 4.81 | 45,514 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 78,349 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 57,786 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 43,369 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 131,753 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,757 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 45,031 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,946 |
| World Coats of Arms | 0 | - | 4.99 | 56,927 |
| Flags to Languages | 0 | - | 4.95 | 160,876 |
| Geography by Picture - H | 0 | - | 4.52 | 55,692 |
| Geography by Picture - N | 0 | - | 4.47 | 39,992 |
| Geography by Picture - R | 0 | - | 4.55 | 38,977 |
| Geography by Picture - T | 0 | - | 4.57 | 55,311 |
| Countries by Road Signs | 0 | - | 4.98 | 46,414 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 117,222 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,383 |
| Geography by Picture - A | 0 | - | 4.36 | 57,422 |
| Geography by Picture - B | 0 | - | 4.37 | 52,926 |
| Geography by Picture - D | 0 | - | 4.14 | 43,554 |
| Geography by Picture - F | 0 | - | 4.30 | 48,732 |
| Geography by Picture - G | 0 | - | 4.39 | 45,773 |
| Geography by Picture - J | 0 | - | 4.15 | 36,708 |
| Geography by Picture - C | 0 | - | 4.29 | 54,655 |
| Geography by Picture - L | 0 | - | 4.35 | 56,333 |
| Geography by Picture - M | 0 | - | 4.12 | 38,696 |
| Geography by Picture - P | 0 | - | 4.27 | 40,514 |
| Geography by Picture - S | 0 | - | 4.36 | 44,970 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 67,947 |
| Random Flags Quiz | 0 | - | 4.41 | 259,858 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,791 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,561 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 85,102 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,360 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 36,123 |
| Cities by Picture #1 | 0 | - | 4.70 | 78,542 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,977 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 65,076 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,984 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,279 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,733 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,579 |
| Countries by Picture #1 | 0 | - | 4.51 | 91,186 |
| Countries by Picture #3 | 0 | - | 4.52 | 55,333 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 43,117 |
| Satellite Images - Island Chains | 0 | - | 4.42 | 58,926 |
| Islands by Satellite Image #1 | 0 | - | 4.71 | 63,529 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,069,494 |
| Flags of Asia Quiz | 0 | - | 4.99 | 536,286 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 115,219 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 90,596 |
| Flags with the Most Stars | 0 | - | 4.90 | 108,681 |
| Flags that are Red & White Only | 0 | - | 4.97 | 132,631 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 128,209 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 37,809 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,723 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 44,634 |
| Pixelated World Map | 0 | - | 5.00 | 130,818 |
| Country Flags with the Most Red | 0 | - | 4.97 | 94,038 |
| Country Flags with the Most Blue | 0 | - | 4.91 | 81,397 |
| Country Flags with the Most Green | 0 | - | 4.96 | 85,947 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 83,542 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 89,572 |
| Country Flags with the Most Black | 0 | - | 4.94 | 88,049 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 56,222 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,658 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,967 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 63,829 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 49,550 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 78,804 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 82,791 |
| Flags of Africa Quiz | 0 | - | 4.99 | 397,651 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,999 |
| Emoji Flags | 0 | - | 4.34 | 41,170 |
| Former Flags | 0 | - | 4.97 | 83,036 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,753 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 26,230 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 35,218 |
| Geography by Picture - E | 0 | - | 3.54 | 45,813 |
| Landforms by Picture | 0 | - | 4.33 | 19,215 |
| Geography by Picture - I | 0 | - | 3.98 | 37,876 |
| Geography by Picture - K | 0 | - | 4.27 | 31,423 |
| Geography by Picture - O | 0 | - | 4.01 | 26,685 |
| Cities by Satellite #1 | 0 | - | 4.37 | 72,151 |
| Cities by Satellite #2 | 0 | - | 4.47 | 23,102 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 28,638 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,439 |
| Countries by Picture #2 | 0 | - | 4.37 | 65,235 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,420 |
| Countries by Picture #6 | 0 | - | 4.14 | 34,047 |
| Flags of Oceania | 0 | - | 5.00 | 221,203 |
| Three Band Flags of Europe | 0 | - | 4.97 | 174,703 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,994 |
| Select the World Flags | 0 | - | 4.28 | 34,000 |
| A-Z Cities by Pictures | 0 | - | 4.54 | 40,152 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,931 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,585 |
| Pixelated Europe Map | 0 | - | 4.90 | 111,148 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 27,216 |
| Boundary Waters | 0 | - | 4.93 | 82,116 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,602 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 48,075 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,712 |
| Random Flag to Country | 0 | - | 4.99 | 517,132 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 95,230 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,382 |
| Flags of the Mediterranean | 0 | - | 4.93 | 126,132 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,869,708 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,629 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.51 | 23,698 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,851 |
| World Capitals Quiz | 0 | - | 5.00 | 4,587,814 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,185,885 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,238,531 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.83 | 87,828 |
| Islands by Satellite Image #2 | 0 | - | 4.31 | 17,953 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 64,564 |
| Islands by Shape #1 | 0 | - | 4.28 | 71,864 |
| Islands by Picture | 0 | - | 4.29 | 94,415 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,388 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,835 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 140,080 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,788 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.94 | 111,830 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,411,992 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,686 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,607 |
| Members of the Arab League | 0 | - | 4.86 | 66,740 |
| Island Countries Quiz | 0 | - | 4.99 | 669,703 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,860 |
| Himalayan Countries | 0 | - | 4.94 | 108,799 |
| Andean Countries | 0 | - | 4.91 | 60,437 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,651 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 51,039 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,672 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,950 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,405 |
| Danube Countries | 0 | - | 4.96 | 57,306 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,310 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,366 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,896 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,551 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,233 |
| European Landlocked Countries | 0 | - | 4.99 | 137,324 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,973 |
| Countries with the Most Species | 0 | - | 4.99 | 90,109 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,502 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,071 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,371 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,172 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,960 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,188 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 50,034 |
| Countries in the Alps | 0 | - | 4.84 | 104,035 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,605 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,889 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,398 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,500 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 95,025 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,461 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,671 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,848 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,761 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,511 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,278 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,088 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,079 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,695 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,782 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,360 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 52,227 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,896 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 62,060 |
| Similar Flags #1 | 0 | - | 4.75 | 112,846 |
| Similar Flags #2 | 0 | - | 4.78 | 115,061 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,148 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 203,535 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,821 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,920 |
| Largest Countries By Category | 0 | - | 4.97 | 146,640 |
| Countries by Countries | 0 | - | 4.96 | 55,743 |
| Country Flags with the Most White | 0 | - | 4.91 | 126,844 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,279 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 128,199 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,201 |
| All Countries by Population With a Map | 0 | - | 4.99 | 65,500 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 78,172 |
| Country Flags With Only Two Colors | 0 | - | 4.93 | 79,814 |
| Biggest Countries by Area | 0 | - | 5.00 | 949,415 |
| Northernmost Countries | 0 | - | 4.99 | 331,303 |
| Countries of South America | 0 | - | 5.00 | 812,232 |
| Countries of Oceania | 0 | - | 5.00 | 916,287 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,616,317 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 42,871 |
