| All Country Flags of the World | 0 | - | 5.00 | 3,709,313 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,193 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,813 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,179 |
| Flags with Crescents | 0 | - | 4.98 | 171,216 |
| Country Flag Trivia | 0 | - | 4.81 | 57,934 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,816 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,356 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,504 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,885 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,918 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,431 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,225 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,222 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,787 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,120 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,509 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,227 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,535 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,327 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,267 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,270 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,217 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,297 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,085 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,687 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,092 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,063 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,457 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,884 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,015 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,369 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,602 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,687 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,632 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,775 |
| Flags of North and South America | 0 | - | 4.99 | 376,616 |
| Flags to Languages | 0 | - | 4.95 | 174,438 |
| Former Flags | 0 | - | 4.97 | 108,500 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,214 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,988 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 44,971 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,208 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,319 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,211 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,553 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,286 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,355 |
| Flag Maths | 0 | - | 4.61 | 57,827 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,778 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,138 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,228 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,032 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,629 |
| World Coats of Arms | 0 | - | 4.99 | 65,083 |
| Similar Flags #1 | 0 | - | 4.75 | 130,715 |
| Similar Flags #2 | 0 | - | 4.74 | 138,016 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,486 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,806 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,638 |
| Emoji Flags | 0 | - | 4.35 | 44,267 |
| Countries by Road Signs | 0 | - | 4.98 | 54,309 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,062 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,499 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,240 |
| Select the World Flags | 0 | - | 4.28 | 37,973 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,501 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,145 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,752 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,460 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,505 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,113 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,691 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,349 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,040 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,195 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,942 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,730 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,673 |
| Pixelated World Map | 0 | - | 5.00 | 144,037 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,994 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,628 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,147 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,401 |
| Boundary Waters | 0 | - | 4.92 | 88,743 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,397 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,649 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,274 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,924 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,920 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,318 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,383 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,783 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,338 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,678 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,216 |
| Geography by Picture - B | 0 | - | 4.42 | 55,767 |
| Geography by Picture - H | 0 | - | 4.50 | 58,367 |
| Geography by Picture - N | 0 | - | 4.45 | 42,331 |
| Geography by Picture - R | 0 | - | 4.56 | 41,137 |
| Geography by Picture - T | 0 | - | 4.54 | 57,992 |
| Flags of Oceania | 0 | - | 5.00 | 262,427 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,485 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,410 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,403 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,727 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,416 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,841,299 |
| Flags of WW1 | 0 | - | 4.60 | 38,665 |
| Landlocked Countries | 0 | - | 4.99 | 425,160 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 586,869 |
| Satellite Images #1 | 0 | - | 4.47 | 129,939 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,629 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,186 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,198 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,181 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,525 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,891 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,902 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,364 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,911 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,937 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,200 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,971 |
| Himalayan Countries | 0 | - | 4.93 | 140,011 |
| Andean Countries | 0 | - | 4.94 | 85,312 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,469 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,829 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,038 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,330 |
| Danube Countries | 0 | - | 4.97 | 72,320 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,496 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,767 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,992 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,493 |
| European Landlocked Countries | 0 | - | 4.99 | 147,542 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,203 |
| Countries with the Most Species | 0 | - | 4.99 | 103,523 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,330 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,746 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,854 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,793 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,528 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,963 |
| Countries in the Alps | 0 | - | 4.87 | 118,690 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,492 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,759 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,923 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,971 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,886 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,196 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,332 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,813 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,381 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,128 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,826 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,699 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,506 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,737 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,834 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,703 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,565 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,708 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,601 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,482 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,015 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,477 |
| Largest Countries By Category | 0 | - | 4.97 | 158,778 |
| Countries by Countries | 0 | - | 4.96 | 63,584 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,192 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,381 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,654 |
| Merged Country Flags | 0 | - | 4.88 | 107,334 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,823 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,377 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,116 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,052 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,801,087 |
| Merged Countries #2 | 0 | - | 4.96 | 99,844 |
| Merged Countries #4 | 0 | - | 4.81 | 94,085 |
| Merged Countries #6 | 0 | - | 4.90 | 73,783 |
| Merged Countries #7 | 0 | - | 4.93 | 83,113 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,419 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,968 |
| Geography by Picture - A | 0 | - | 4.39 | 60,417 |
| Geography by Picture - D | 0 | - | 4.15 | 45,773 |
| Geography by Picture - F | 0 | - | 4.31 | 51,162 |
| Geography by Picture - G | 0 | - | 4.39 | 48,069 |
| Geography by Picture - J | 0 | - | 4.16 | 38,585 |
| Geography by Picture - K | 0 | - | 4.29 | 33,238 |
| Geography by Picture - C | 0 | - | 4.31 | 57,219 |
| Geography by Picture - L | 0 | - | 4.37 | 59,123 |
| Geography by Picture - M | 0 | - | 4.14 | 40,569 |
| Geography by Picture - P | 0 | - | 4.24 | 42,554 |
| Geography by Picture - S | 0 | - | 4.38 | 47,174 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,758 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,607 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,151 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,968 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,535 |
