| All Country Flags of the World | 0 | - | 5.00 | 3,319,808 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,462,106 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,055,370 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 706,666 |
| Flags with Crescents | 0 | - | 4.98 | 157,070 |
| Country Flag Trivia | 0 | - | 4.81 | 51,482 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 95,412 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 63,242 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 77,940 |
| Flag Maths | 0 | - | 4.91 | 54,929 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 47,867 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 335,217 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 131,979 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 98,252 |
| Flags with the Most Stars | 0 | - | 4.90 | 116,175 |
| Flags that are Red & White Only | 0 | - | 4.97 | 138,300 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 136,510 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 46,261 |
| Four Countries with Similar Flags #2 | 0 | - | 4.90 | 41,143 |
| Four Countries with Similar Flags #1 | 0 | - | 4.96 | 49,264 |
| Country Flags with the Most Red | 0 | - | 4.98 | 112,243 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 86,658 |
| Country Flags with the Most Green | 0 | - | 4.95 | 93,916 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 88,612 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 94,043 |
| Country Flags with the Most Black | 0 | - | 4.94 | 92,497 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 64,760 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.94 | 47,023 |
| Country Flags Slideshow | 0 | - | 4.91 | 43,378 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 92,917 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 68,127 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 54,049 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 33,390 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 85,092 |
| Flags to Languages | 0 | - | 4.95 | 166,475 |
| Former Flags | 0 | - | 4.98 | 101,581 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.84 | 33,009 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 46,726 |
| Country Flags With Blue Removed | 0 | - | 4.90 | 39,841 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 29,048 |
| Random Flag to Country | 0 | - | 4.99 | 550,220 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 98,469 |
| Countries by Bordering Flags #2 | 0 | - | 4.87 | 79,168 |
| Flags of the Mediterranean | 0 | - | 4.94 | 130,959 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 137,706 |
| Random Flags Quiz | 0 | - | 4.41 | 269,084 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 138,121 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 79,363 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.82 | 46,799 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 135,035 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 70,079 |
| World Coats of Arms | 0 | - | 4.99 | 60,421 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 47,865 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 162,118 |
| Country Flags with the Southern Cross | 0 | - | 4.70 | 54,145 |
| Similar Flags #1 | 0 | - | 4.70 | 117,188 |
| Similar Flags #2 | 0 | - | 4.78 | 119,876 |
| Emoji Flags | 0 | - | 4.36 | 42,512 |
| Countries by Road Signs | 0 | - | 4.98 | 49,635 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 57,990 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 56,739 |
| Select the World Flags | 0 | - | 4.28 | 35,799 |
| Islands by Shape #2 | 0 | - | 4.87 | 47,260 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 71,668 |
| Name a Valid Country Flag | 0 | - | 4.64 | 70,039 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.78 | 91,016 |
| Countries by Satellite Image #3 | 0 | - | 4.64 | 69,007 |
| Countries by Satellite Image #2 | 0 | - | 4.78 | 67,460 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 64,938 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 45,499 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 42,996 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 33,689 |
| Countries by Picture #1 | 0 | - | 4.52 | 95,176 |
| Countries by Picture #3 | 0 | - | 4.52 | 57,266 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 45,343 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 72,433 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,134,238 |
| Flags of Asia Quiz | 0 | - | 4.99 | 568,042 |
| Pixelated World Map | 0 | - | 5.00 | 136,697 |
| Flags of Africa Quiz | 0 | - | 5.00 | 426,445 |
| Satellite Images - Europe | 0 | - | 4.47 | 99,925 |
| European Cities by Picture #2 | 0 | - | 4.45 | 36,679 |
| Flags of Oceania | 0 | - | 5.00 | 236,524 |
| Three Band Flags of Europe | 0 | - | 4.97 | 183,648 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 59,368 |
| Pixelated Africa Map | 0 | - | 4.98 | 93,873 |
| Pixelated Asia Map | 0 | - | 4.91 | 68,531 |
| Pixelated Europe Map | 0 | - | 4.88 | 116,690 |
| Cities by Satellite #1 | 0 | - | 4.37 | 76,297 |
| Cities by Satellite #2 | 0 | - | 4.48 | 24,008 |
| Countries by Picture #4 | 0 | - | 4.16 | 43,826 |
| Countries by Picture #2 | 0 | - | 4.37 | 67,493 |
| Countries by Picture #5 | 0 | - | 4.28 | 41,854 |
| Countries by Picture #6 | 0 | - | 4.13 | 35,024 |
| Geography by Picture - B | 0 | - | 4.41 | 54,232 |
| Geography by Picture - H | 0 | - | 4.49 | 56,950 |
| Geography by Picture - N | 0 | - | 4.44 | 41,102 |
| Geography by Picture - R | 0 | - | 4.55 | 39,982 |
| Geography by Picture - T | 0 | - | 4.54 | 56,588 |
| Flags of WW1 | 0 | - | 4.64 | 35,871 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 24,258 |
| Boundary Waters | 0 | - | 4.93 | 85,388 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 32,967 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 91,283 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 55,161 |
| "Second Best" Geography Edition #2 | 0 | - | 4.86 | 56,658 |
| "Second Best" Geography Edition #3 | 0 | - | 4.88 | 66,076 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,325,381 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 382,701 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 467,651 |
| Merged Countries #2 | 0 | - | 4.96 | 94,840 |
| Merged Countries #6 | 0 | - | 4.91 | 69,667 |
| Merged Countries #7 | 0 | - | 4.94 | 78,831 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 126,570 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 106,961 |
| Satellite Images Quiz #4 | 0 | - | 4.54 | 87,172 |
| Satellite Images Quiz #5 | 0 | - | 4.45 | 48,185 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 37,625 |
| Cities by Picture #1 | 0 | - | 4.70 | 82,174 |
| World Geography on a Map #1 | 0 | - | 4.94 | 70,930 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 90,796 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,662 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,496 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.94 | 117,432 |
| World Capitals Quiz | 0 | - | 5.00 | 4,806,346 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,506 |
| Himalayan Countries | 0 | - | 4.94 | 122,176 |
| Andean Countries | 0 | - | 4.93 | 68,643 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,633 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,024 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,871 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,262 |
| Danube Countries | 0 | - | 4.97 | 60,820 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,839 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,867 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,486 |
| Countries with the Worst Passports | 0 | - | 4.92 | 65,699 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,164 |
| European Landlocked Countries | 0 | - | 4.99 | 140,995 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,049 |
| Countries with the Most Species | 0 | - | 4.99 | 92,326 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,439 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,682 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,780 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,564 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,338 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,937 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,626 |
| Countries in the Alps | 0 | - | 4.86 | 110,417 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,694 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,778 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,374 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,721 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,617 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,941 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,988 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,830 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,954 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,769 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,717 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,248 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,088 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,153 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,827 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,507 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,972 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,789 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,722 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,034 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,077 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,089 |
| Largest Countries By Category | 0 | - | 4.97 | 151,356 |
| Countries by Countries | 0 | - | 4.96 | 58,453 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,406,587 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,073 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,660 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,327 |
| Merged Country Flags | 0 | - | 4.87 | 102,461 |
| All Countries by Population With a Map | 0 | - | 4.98 | 94,181 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 84,248 |
| Colourful Countries of the World | 0 | - | 4.99 | 56,114 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,935 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,475,200 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 140,645 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,674 |
| Geography by Picture - A | 0 | - | 4.37 | 58,838 |
| Geography by Picture - D | 0 | - | 4.14 | 44,583 |
| Geography by Picture - F | 0 | - | 4.30 | 49,824 |
| Geography by Picture - G | 0 | - | 4.39 | 46,879 |
| Geography by Picture - J | 0 | - | 4.15 | 37,542 |
| Geography by Picture - K | 0 | - | 4.28 | 32,248 |
| Geography by Picture - C | 0 | - | 4.30 | 55,863 |
| Geography by Picture - L | 0 | - | 4.35 | 57,621 |
| Geography by Picture - M | 0 | - | 4.12 | 39,566 |
| Geography by Picture - P | 0 | - | 4.22 | 41,485 |
| Geography by Picture - S | 0 | - | 4.36 | 46,034 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 62,684 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 66,981 |
| Landmarks Picture Quiz #1 | 0 | - | 4.18 | 371,865 |
| European Cities by Picture #1 | 0 | - | 4.28 | 25,945 |
