| All Country Flags of the World | 0 | - | 5.00 | 3,686,666 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,217 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,823 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,774 |
| Flags with Crescents | 0 | - | 4.98 | 170,492 |
| Country Flag Trivia | 0 | - | 4.81 | 57,498 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,289 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,922 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,936 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,557 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,136 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,383 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,541 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,103 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,672 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,894 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,574 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,804 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,917 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,849 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,854 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,848 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,942 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,739 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,360 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,804 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,865 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,271 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,613 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,722 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,064 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,279 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,352 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,242 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,611 |
| Flags of North and South America | 0 | - | 4.99 | 374,842 |
| Flags to Languages | 0 | - | 4.95 | 174,019 |
| Former Flags | 0 | - | 4.97 | 108,075 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,055 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,761 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,690 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,085 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,402 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,990 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,350 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,923 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,948 |
| Flag Maths | 0 | - | 4.64 | 57,800 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,316 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,927 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,099 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,902 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,564 |
| World Coats of Arms | 0 | - | 4.99 | 64,801 |
| Similar Flags #1 | 0 | - | 4.75 | 130,367 |
| Similar Flags #2 | 0 | - | 4.74 | 137,667 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,995 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,344 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,094 |
| Emoji Flags | 0 | - | 4.35 | 44,177 |
| Countries by Road Signs | 0 | - | 4.98 | 54,094 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,814 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,380 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,644 |
| Select the World Flags | 0 | - | 4.27 | 37,861 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,235 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,022 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,591 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,294 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,366 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,020 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,602 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,814 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,929 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,055 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,071 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,364 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,745 |
| Pixelated World Map | 0 | - | 5.00 | 143,731 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,131 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,397 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,817 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,299 |
| Boundary Waters | 0 | - | 4.92 | 88,620 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,291 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,364 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,871 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,696 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,668 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,672 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,212 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,693 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,173 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,583 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,143 |
| Geography by Picture - B | 0 | - | 4.42 | 55,694 |
| Geography by Picture - H | 0 | - | 4.50 | 58,299 |
| Geography by Picture - N | 0 | - | 4.45 | 42,269 |
| Geography by Picture - R | 0 | - | 4.56 | 41,085 |
| Geography by Picture - T | 0 | - | 4.54 | 57,916 |
| Flags of Oceania | 0 | - | 5.00 | 260,975 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,862 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,217 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,146 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,468 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,082 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,649,230 |
| Flags of WW1 | 0 | - | 4.60 | 38,538 |
| Landlocked Countries | 0 | - | 4.99 | 422,822 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,763 |
| Satellite Images #1 | 0 | - | 4.47 | 129,513 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,432 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,015 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,037 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,057 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,248 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,850 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,755 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,105 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,525 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,542 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,458 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,936 |
| Himalayan Countries | 0 | - | 4.95 | 139,100 |
| Andean Countries | 0 | - | 4.93 | 84,837 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,061 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,169 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,643 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,957 |
| Danube Countries | 0 | - | 4.97 | 72,117 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,161 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,521 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,496 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,994 |
| European Landlocked Countries | 0 | - | 4.99 | 147,256 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,801 |
| Countries with the Most Species | 0 | - | 4.99 | 103,328 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,927 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,644 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,760 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,607 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,342 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,767 |
| Countries in the Alps | 0 | - | 4.87 | 118,337 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,651 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,237 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,734 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,692 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,613 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,017 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,781 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,583 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,234 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,938 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,703 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,581 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,311 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,552 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,617 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,112 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,382 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,612 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,226 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,395 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,383 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,298 |
| Largest Countries By Category | 0 | - | 4.97 | 158,364 |
| Countries by Countries | 0 | - | 4.96 | 63,338 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,801 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,316 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,589 |
| Merged Country Flags | 0 | - | 4.88 | 107,031 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,875 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,107 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,870 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,766 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,638 |
| Merged Countries #2 | 0 | - | 4.96 | 99,326 |
| Merged Countries #6 | 0 | - | 4.90 | 73,547 |
| Merged Countries #7 | 0 | - | 4.93 | 82,881 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,774 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,880 |
| Geography by Picture - A | 0 | - | 4.39 | 60,341 |
| Geography by Picture - D | 0 | - | 4.15 | 45,721 |
| Geography by Picture - F | 0 | - | 4.31 | 51,089 |
| Geography by Picture - G | 0 | - | 4.39 | 48,019 |
| Geography by Picture - J | 0 | - | 4.16 | 38,525 |
| Geography by Picture - K | 0 | - | 4.29 | 33,185 |
| Geography by Picture - C | 0 | - | 4.31 | 57,148 |
| Geography by Picture - L | 0 | - | 4.37 | 59,062 |
| Geography by Picture - M | 0 | - | 4.14 | 40,519 |
| Geography by Picture - P | 0 | - | 4.24 | 42,499 |
| Geography by Picture - S | 0 | - | 4.38 | 47,108 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,576 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,525 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,973 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,216 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,350 |
| Longest International Borders | 0 | - | 4.99 | 265,344 |
| Countries with Three Borders | 0 | - | 4.96 | 36,647 |
