| All Country Flags of the World | 0 | - | 5.00 | 3,680,789 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,178 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,360 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,443 |
| Flags with Crescents | 0 | - | 4.98 | 170,128 |
| Country Flag Trivia | 0 | - | 4.81 | 57,370 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,150 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,822 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,807 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,500 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,492 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,056 |
| Flags of North and South America | 0 | - | 4.99 | 374,378 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,241 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,424 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,957 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,582 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,772 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,468 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,664 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,840 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,771 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,768 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,776 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,877 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,673 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,307 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,740 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,838 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,239 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,554 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,655 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,002 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,194 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,289 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,161 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,580 |
| Flags to Languages | 0 | - | 4.95 | 173,927 |
| Former Flags | 0 | - | 4.97 | 107,983 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,032 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,704 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,645 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,332 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,059 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,795 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,940 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,313 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,832 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,849 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,012 |
| Flag Maths | 0 | - | 4.64 | 57,792 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,226 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,873 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,069 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,902 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,873 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,552 |
| World Coats of Arms | 0 | - | 4.99 | 64,727 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,059 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 171,983 |
| Similar Flags #1 | 0 | - | 4.75 | 130,287 |
| Similar Flags #2 | 0 | - | 4.74 | 137,584 |
| Emoji Flags | 0 | - | 4.35 | 44,155 |
| Countries by Road Signs | 0 | - | 4.98 | 54,028 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,423 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,756 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,000 |
| Select the World Flags | 0 | - | 4.27 | 37,837 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,348 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,174 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,990 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,561 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,265 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,339 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,001 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,587 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,520 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,903 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,008 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,333 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,726 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,933 |
| Pixelated World Map | 0 | - | 5.00 | 143,650 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,749 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,255 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,751 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,278 |
| Flags of Oceania | 0 | - | 5.00 | 260,562 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,724 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,171 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,073 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,394 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,996 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,504 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,172 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,664 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,135 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,555 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,115 |
| Geography by Picture - B | 0 | - | 4.42 | 55,677 |
| Geography by Picture - H | 0 | - | 4.50 | 58,283 |
| Geography by Picture - N | 0 | - | 4.45 | 42,253 |
| Geography by Picture - R | 0 | - | 4.56 | 41,073 |
| Geography by Picture - T | 0 | - | 4.54 | 57,903 |
| Flags of WW1 | 0 | - | 4.60 | 38,505 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,843 |
| Boundary Waters | 0 | - | 4.92 | 88,583 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,263 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,289 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,758 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,627 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,599 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,599,165 |
| Landlocked Countries | 0 | - | 4.99 | 422,173 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,409 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,590 |
| Merged Countries #2 | 0 | - | 4.96 | 99,266 |
| Merged Countries #6 | 0 | - | 4.90 | 73,487 |
| Merged Countries #7 | 0 | - | 4.93 | 82,822 |
| Satellite Images #1 | 0 | - | 4.47 | 129,491 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,406 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,994 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,012 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,046 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,187 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,719 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,038 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,437 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,448 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,201 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,383 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,585 |
| Himalayan Countries | 0 | - | 4.95 | 138,839 |
| Andean Countries | 0 | - | 4.93 | 84,671 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,869 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,910 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,498 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,845 |
| Danube Countries | 0 | - | 4.97 | 72,039 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,051 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,449 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,353 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,838 |
| European Landlocked Countries | 0 | - | 4.99 | 147,166 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,683 |
| Countries with the Most Species | 0 | - | 4.99 | 103,265 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,803 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,605 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,729 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,557 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,249 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,687 |
| Countries in the Alps | 0 | - | 4.87 | 118,237 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,245 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,068 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,676 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,619 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,544 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,964 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,697 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,514 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,194 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,873 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,668 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,540 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,243 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,495 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,546 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,959 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,332 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,042 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,119 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,047 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,187 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,251 |
| Largest Countries By Category | 0 | - | 4.97 | 158,250 |
| Countries by Countries | 0 | - | 4.96 | 63,260 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,714 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,297 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Merged Country Flags | 0 | - | 4.88 | 106,970 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,674 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,047 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,824 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,691 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,185 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,730 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,864 |
| Geography by Picture - A | 0 | - | 4.39 | 60,327 |
| Geography by Picture - D | 0 | - | 4.15 | 45,711 |
| Geography by Picture - F | 0 | - | 4.31 | 51,073 |
| Geography by Picture - G | 0 | - | 4.39 | 48,002 |
| Geography by Picture - J | 0 | - | 4.16 | 38,516 |
| Geography by Picture - K | 0 | - | 4.29 | 33,176 |
| Geography by Picture - C | 0 | - | 4.31 | 57,131 |
| Geography by Picture - L | 0 | - | 4.37 | 59,041 |
| Geography by Picture - M | 0 | - | 4.14 | 40,508 |
| Geography by Picture - P | 0 | - | 4.24 | 42,482 |
| Geography by Picture - S | 0 | - | 4.38 | 47,090 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,628 |
