| All Country Flags of the World | 0 | - | 5.00 | 3,685,677 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,045 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,741 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,719 |
| Flags with Crescents | 0 | - | 4.98 | 170,462 |
| Country Flag Trivia | 0 | - | 4.81 | 57,473 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,251 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,911 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,908 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,545 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,124 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,361 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,515 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,078 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,660 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,879 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,561 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,777 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,909 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,833 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,836 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,833 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,929 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,721 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,347 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,790 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,860 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,264 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,601 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,711 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,050 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,265 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,336 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,224 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,606 |
| Flags of North and South America | 0 | - | 4.99 | 374,760 |
| Flags to Languages | 0 | - | 4.95 | 174,003 |
| Former Flags | 0 | - | 4.97 | 108,053 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,049 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,752 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,679 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,080 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,264 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,982 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,345 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,906 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,929 |
| Flag Maths | 0 | - | 4.64 | 57,798 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,299 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,915 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,094 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,898 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,562 |
| World Coats of Arms | 0 | - | 4.99 | 64,790 |
| Similar Flags #1 | 0 | - | 4.75 | 130,352 |
| Similar Flags #2 | 0 | - | 4.74 | 137,646 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,976 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,277 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,083 |
| Emoji Flags | 0 | - | 4.35 | 44,174 |
| Countries by Road Signs | 0 | - | 4.98 | 54,084 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,805 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,375 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,597 |
| Select the World Flags | 0 | - | 4.27 | 37,860 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,229 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,020 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,585 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,291 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,360 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,016 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,599 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,768 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,924 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,043 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,055 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,107 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,603 |
| Pixelated World Map | 0 | - | 5.00 | 143,709 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,966 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,386 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,809 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,294 |
| Boundary Waters | 0 | - | 4.92 | 88,613 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,285 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,355 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,841 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,686 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,651 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,647 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,209 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,688 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,166 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,576 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,140 |
| Geography by Picture - B | 0 | - | 4.42 | 55,692 |
| Geography by Picture - H | 0 | - | 4.50 | 58,298 |
| 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 | 260,918 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,842 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,210 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,130 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,454 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,065 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,640,894 |
| Flags of WW1 | 0 | - | 4.60 | 38,528 |
| Landlocked Countries | 0 | - | 4.99 | 422,716 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,321 |
| Satellite Images #1 | 0 | - | 4.47 | 129,508 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,428 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,012 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,033 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,056 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,236 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,850 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,747 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,093 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,509 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,525 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,814 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,888 |
| Himalayan Countries | 0 | - | 4.95 | 139,058 |
| Andean Countries | 0 | - | 4.93 | 84,820 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,047 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,127 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,624 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,939 |
| Danube Countries | 0 | - | 4.97 | 72,107 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,141 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,510 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,466 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,963 |
| European Landlocked Countries | 0 | - | 4.99 | 147,241 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,781 |
| Countries with the Most Species | 0 | - | 4.99 | 103,317 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,908 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,634 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,753 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,603 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,328 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,750 |
| Countries in the Alps | 0 | - | 4.87 | 118,323 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,592 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,210 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,726 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,683 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,594 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,006 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,764 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,575 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,229 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,933 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,696 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,577 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,305 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,546 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,611 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,075 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,376 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,553 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,219 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,345 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,355 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,294 |
| Largest Countries By Category | 0 | - | 4.97 | 158,356 |
| Countries by Countries | 0 | - | 4.96 | 63,326 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,785 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,311 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,587 |
| Merged Country Flags | 0 | - | 4.88 | 107,019 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,844 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,099 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,866 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,756 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,783,921 |
| Merged Countries #2 | 0 | - | 4.96 | 99,314 |
| Merged Countries #6 | 0 | - | 4.90 | 73,533 |
| Merged Countries #7 | 0 | - | 4.93 | 82,873 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,767 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,876 |
| Geography by Picture - A | 0 | - | 4.39 | 60,340 |
| Geography by Picture - D | 0 | - | 4.15 | 45,720 |
| Geography by Picture - F | 0 | - | 4.31 | 51,086 |
| Geography by Picture - G | 0 | - | 4.39 | 48,018 |
| 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 | 57,146 |
| Geography by Picture - L | 0 | - | 4.37 | 59,060 |
| Geography by Picture - M | 0 | - | 4.14 | 40,519 |
| Geography by Picture - P | 0 | - | 4.24 | 42,497 |
| Geography by Picture - S | 0 | - | 4.38 | 47,102 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,567 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,520 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,967 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,184 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,345 |
| Longest International Borders | 0 | - | 4.99 | 265,324 |
| Countries with Three Borders | 0 | - | 4.96 | 36,642 |
