| All Country Flags of the World | 0 | - | 5.00 | 3,377,781 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,476,573 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 712,098 |
| Flags with Crescents | 0 | - | 4.98 | 159,280 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 96,880 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 64,376 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 79,712 |
| Flag Maths | 0 | - | 4.91 | 55,837 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 48,710 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 134,808 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 107,215 |
| Flags with the Most Stars | 0 | - | 4.90 | 118,131 |
| Flags that are Red & White Only | 0 | - | 4.97 | 139,873 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 138,379 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 48,170 |
| Four Countries with Similar Flags #2 | 0 | - | 4.91 | 42,250 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 50,484 |
| Country Flags with the Most Red | 0 | - | 4.97 | 113,897 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 87,960 |
| Country Flags with the Most Green | 0 | - | 4.95 | 95,188 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 95,031 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 95,051 |
| Country Flags with the Most Black | 0 | - | 4.94 | 93,636 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 65,293 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.94 | 47,581 |
| Country Flags Slideshow | 0 | - | 4.91 | 44,135 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 94,697 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 69,740 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 55,545 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 35,073 |
| Countries With Blue and White Flags | 0 | - | 4.88 | 96,216 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 339,134 |
| Flags to Languages | 0 | - | 4.95 | 167,665 |
| Former Flags | 0 | - | 4.98 | 102,768 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.85 | 34,183 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 47,499 |
| Country Flags With Blue Removed | 0 | - | 4.91 | 40,737 |
| Countries by Partial Flag Images #7 | 0 | - | 4.86 | 25,098 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 29,383 |
| Random Flag to Country | 0 | - | 4.99 | 557,343 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 99,158 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 79,759 |
| Flags of the Mediterranean | 0 | - | 4.94 | 132,056 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 138,947 |
| Country Flag Trivia | 0 | - | 4.80 | 52,194 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 139,508 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 79,928 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 47,134 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 70,518 |
| World Coats of Arms | 0 | - | 4.99 | 61,096 |
| Country Flags with the Southern Cross | 0 | - | 4.70 | 54,489 |
| Similar Flags #1 | 0 | - | 4.73 | 124,692 |
| Similar Flags #2 | 0 | - | 4.79 | 121,093 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 136,475 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 48,834 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 163,637 |
| Emoji Flags | 0 | - | 4.36 | 42,792 |
| Countries by Road Signs | 0 | - | 4.98 | 50,391 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 58,652 |
| Islands by Shape #2 | 0 | - | 4.88 | 48,562 |
| Select the World Flags | 0 | - | 4.28 | 36,123 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 72,546 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 57,088 |
| Countries by Satellite Image #3 | 0 | - | 4.64 | 69,443 |
| Countries by Satellite Image #2 | 0 | - | 4.78 | 67,925 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 65,354 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 45,740 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 43,280 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 33,847 |
| Countries by Picture #1 | 0 | - | 4.53 | 95,744 |
| Countries by Picture #3 | 0 | - | 4.53 | 57,644 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 45,791 |
| Name a Valid Country Flag | 0 | - | 4.61 | 70,910 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.78 | 91,574 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,148,229 |
| Flags of Asia Quiz | 0 | - | 4.99 | 574,970 |
| Pixelated World Map | 0 | - | 5.00 | 137,682 |
| Flags of Africa Quiz | 0 | - | 5.00 | 432,864 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.41 | 73,262 |
| Satellite Images - Europe | 0 | - | 4.47 | 100,772 |
| European Cities by Picture #2 | 0 | - | 4.45 | 36,971 |
| Boundary Waters | 0 | - | 4.93 | 86,309 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 33,545 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 92,323 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 56,908 |
| "Second Best" Geography Edition #2 | 0 | - | 4.86 | 57,622 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 67,045 |
| Cities by Satellite #1 | 0 | - | 4.38 | 77,156 |
| Cities by Satellite #2 | 0 | - | 4.48 | 24,232 |
| Countries by Picture #4 | 0 | - | 4.17 | 44,080 |
| Countries by Picture #2 | 0 | - | 4.37 | 67,907 |
| Countries by Picture #5 | 0 | - | 4.25 | 42,158 |
| Countries by Picture #6 | 0 | - | 4.14 | 35,226 |
| Geography by Picture - B | 0 | - | 4.41 | 54,510 |
| Geography by Picture - H | 0 | - | 4.49 | 57,208 |
| Geography by Picture - N | 0 | - | 4.44 | 41,320 |
| Geography by Picture - R | 0 | - | 4.55 | 40,199 |
| Geography by Picture - T | 0 | - | 4.54 | 56,861 |
| Flags of Oceania | 0 | - | 5.00 | 239,845 |
| Three Band Flags of Europe | 0 | - | 4.97 | 185,241 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 59,994 |
| Pixelated Africa Map | 0 | - | 4.98 | 94,958 |
| Pixelated Asia Map | 0 | - | 4.92 | 69,288 |
| Pixelated Europe Map | 0 | - | 4.88 | 117,606 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,876,848 |
| Flags of WW1 | 0 | - | 4.64 | 36,305 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 389,993 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 487,735 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 127,264 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 107,453 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 87,532 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 48,507 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 37,893 |
| Cities by Picture #1 | 0 | - | 4.70 | 82,895 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 24,379 |
| World Geography on a Map #1 | 0 | - | 4.94 | 71,444 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 91,721 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,404 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 118,796 |
| World Capitals Quiz | 0 | - | 5.00 | 4,857,118 |
| Sahara Desert Countries | 0 | - | 4.97 | 149,205 |
| Himalayan Countries | 0 | - | 4.94 | 125,362 |
| Andean Countries | 0 | - | 4.93 | 70,573 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,110 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 115,571 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,463 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,592 |
| Danube Countries | 0 | - | 4.97 | 61,685 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,040 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,707 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,370 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 141,037 |
| European Landlocked Countries | 0 | - | 4.99 | 142,084 |
| Partially Recognized Countries | 0 | - | 4.98 | 99,851 |
| Countries with the Most Species | 0 | - | 4.99 | 93,156 |
| Countries 197 to 205 | 0 | - | 4.88 | 64,787 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,081 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,166 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,030 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,556 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,457 |
| Countries in the Alps | 0 | - | 4.86 | 112,012 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,594 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,470 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,051 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 84,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 111,690 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,636 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,156 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,495 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,478 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,516 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,730 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,528 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,814 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,495 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,315 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 110,884 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,448 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,373 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,596 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 226,237 |
| World Countries - Blind Typing | 0 | - | 5.00 | 97,546 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,705 |
| Largest Countries By Category | 0 | - | 4.97 | 152,494 |
| Countries by Countries | 0 | - | 4.96 | 59,185 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,449,717 |
| Country Flags with the Most White | 0 | - | 4.85 | 133,251 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,954 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,537 |
| Merged Country Flags | 0 | - | 4.86 | 103,265 |
| All Countries by Population With a Map | 0 | - | 4.98 | 97,355 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 93,907 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,809 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,525,297 |
| Merged Countries #2 | 0 | - | 4.96 | 95,651 |
| Merged Countries #6 | 0 | - | 4.91 | 70,292 |
| Merged Countries #7 | 0 | - | 4.94 | 79,484 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 141,576 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,983 |
| Geography by Picture - A | 0 | - | 4.37 | 59,103 |
| Geography by Picture - D | 0 | - | 4.14 | 44,786 |
| Geography by Picture - F | 0 | - | 4.30 | 50,060 |
| Geography by Picture - G | 0 | - | 4.39 | 47,102 |
| Geography by Picture - J | 0 | - | 4.15 | 37,726 |
| Geography by Picture - K | 0 | - | 4.28 | 32,432 |
| Geography by Picture - C | 0 | - | 4.30 | 56,108 |
| Geography by Picture - L | 0 | - | 4.36 | 57,880 |
| Geography by Picture - M | 0 | - | 4.12 | 39,747 |
| Geography by Picture - P | 0 | - | 4.22 | 41,677 |
| Geography by Picture - S | 0 | - | 4.36 | 46,261 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 78,445 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,423 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 32,734 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 199,273 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 115,531 |
| Longest International Borders | 0 | - | 4.99 | 244,792 |
| Countries with Three Borders | 0 | - | 4.96 | 34,652 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 39,745 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 45,452 |
