| All Country Flags of the World | 0 | - | 5.00 | 3,696,895 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,542,924 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,721 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,394 |
| Flags with Crescents | 0 | - | 4.98 | 170,843 |
| Country Flag Trivia | 0 | - | 4.81 | 57,706 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,535 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,113 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,209 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,708 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,732 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,295 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,863 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,948 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,446 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,942 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,238 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,944 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,198 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,143 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,074 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,079 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,049 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,120 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,921 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,538 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,970 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,975 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,372 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,747 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,888 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,237 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,447 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,524 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,467 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,707 |
| Flags of North and South America | 0 | - | 4.99 | 375,666 |
| Former Flags | 0 | - | 4.97 | 108,267 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,149 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,885 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,844 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,562 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,151 |
| 20 Random Country Flags | 0 | - | 4.99 | 616,723 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,117 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,444 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,070 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,161 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,554 |
| Flag Maths | 0 | - | 4.61 | 57,813 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,528 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,015 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,158 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,954 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,589 |
| World Coats of Arms | 0 | - | 4.99 | 64,898 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,208 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,626 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,371 |
| Similar Flags #1 | 0 | - | 4.75 | 130,513 |
| Similar Flags #2 | 0 | - | 4.74 | 137,822 |
| Emoji Flags | 0 | - | 4.35 | 44,226 |
| Countries by Road Signs | 0 | - | 4.98 | 54,206 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,918 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,435 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,909 |
| Select the World Flags | 0 | - | 4.27 | 37,907 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,350 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,072 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,225 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,664 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,365 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,434 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,064 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,638 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,098 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,988 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,125 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,121 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,922 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,349 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,373 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,136 |
| Pixelated World Map | 0 | - | 5.00 | 143,869 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,413 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,525 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 736,770 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,824 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,972 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,347 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,962 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,297 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,737 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,253 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,618 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,177 |
| Geography by Picture - B | 0 | - | 4.42 | 55,728 |
| Geography by Picture - H | 0 | - | 4.50 | 58,332 |
| Geography by Picture - N | 0 | - | 4.45 | 42,298 |
| Geography by Picture - R | 0 | - | 4.56 | 41,106 |
| Geography by Picture - T | 0 | - | 4.54 | 57,951 |
| Flags of Oceania | 0 | - | 5.00 | 261,664 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,135 |
| Flags of WW1 | 0 | - | 4.60 | 38,593 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,307 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,265 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,612 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,247 |
| Boundary Waters | 0 | - | 4.92 | 88,668 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,331 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,479 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,051 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,790 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,793 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,626 |
| All Germanic Languages With a Map | 0 | - | 4.89 | 69,223 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,731,801 |
| Landlocked Countries | 0 | - | 4.99 | 423,815 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 583,305 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,688 |
| Satellite Images #1 | 0 | - | 4.47 | 129,585 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,482 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,065 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,085 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,097 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,420 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,868 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,736 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,182 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,990 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,055 |
| Merged Countries #2 | 0 | - | 4.96 | 99,677 |
| Merged Countries #6 | 0 | - | 4.90 | 73,658 |
| Merged Countries #7 | 0 | - | 4.93 | 83,006 |
| Geography by Picture - A | 0 | - | 4.39 | 60,381 |
| Geography by Picture - D | 0 | - | 4.15 | 45,750 |
| Geography by Picture - F | 0 | - | 4.31 | 51,127 |
| Geography by Picture - G | 0 | - | 4.39 | 48,045 |
| Geography by Picture - J | 0 | - | 4.16 | 38,556 |
| Geography by Picture - K | 0 | - | 4.29 | 33,214 |
| Geography by Picture - C | 0 | - | 4.31 | 57,183 |
| Geography by Picture - L | 0 | - | 4.37 | 59,087 |
| Geography by Picture - M | 0 | - | 4.14 | 40,545 |
| Geography by Picture - P | 0 | - | 4.24 | 42,527 |
| Geography by Picture - S | 0 | - | 4.38 | 47,139 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,462 |
| Islands by Picture | 0 | - | 4.28 | 107,514 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,820 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,217 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,708 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,730 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,233 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,516 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,442 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,268 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,097 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,543 |
| Island Countries | 0 | - | 4.99 | 711,755 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,344 |
| Himalayan Countries | 0 | - | 4.94 | 139,521 |
| Andean Countries | 0 | - | 4.94 | 85,059 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,244 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,445 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,803 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,116 |
| Danube Countries | 0 | - | 4.97 | 72,209 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,304 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,624 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,706 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,214 |
| European Landlocked Countries | 0 | - | 4.99 | 147,376 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,975 |
| Countries with the Most Species | 0 | - | 4.99 | 103,421 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,113 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,681 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,792 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,693 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,439 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,850 |
| Countries in the Alps | 0 | - | 4.87 | 118,491 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,073 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,451 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,811 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,812 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,747 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,917 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,672 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,297 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,018 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,762 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,630 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,387 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,639 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,721 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,375 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,475 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,226 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,352 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,912 |
