| All Country Flags of the World | 0 | - | 5.00 | 3,637,344 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,284 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,500 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,517 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,889 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,732 |
| Flags with Crescents | 0 | - | 4.98 | 168,702 |
| Country Flag Trivia | 0 | - | 4.81 | 56,577 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,166 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,059 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,737 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,948 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,839 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,488 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,117 |
| Flags of North and South America | 0 | - | 4.99 | 370,963 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,008 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,335 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,848 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,904 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,746 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,475 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,522 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,175 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,164 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,016 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,197 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,293 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,044 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,758 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,222 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,546 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,938 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,116 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,117 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,427 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,644 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,742 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,276 |
| Flags to Languages | 0 | - | 4.95 | 173,166 |
| Former Flags | 0 | - | 4.97 | 107,302 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,816 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,180 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,524 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,859 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,971 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,435 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,947 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,114 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,594 |
| Flag Maths | 0 | - | 4.64 | 57,717 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,061 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,261 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,655 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,083 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,596 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,404 |
| World Coats of Arms | 0 | - | 4.99 | 64,217 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,379 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,751 |
| Similar Flags #1 | 0 | - | 4.74 | 129,611 |
| Similar Flags #2 | 0 | - | 4.74 | 136,918 |
| Emoji Flags | 0 | - | 4.35 | 43,960 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,453 |
| Countries by Road Signs | 0 | - | 4.98 | 53,507 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,857 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,342 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,768 |
| Select the World Flags | 0 | - | 4.27 | 37,603 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,145 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,633 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,324 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,232 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,899 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,024 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,819 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,382 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,708 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,168 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,619 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,828 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,946 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,021 |
| Pixelated World Map | 0 | - | 5.00 | 142,989 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,798 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,161 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,097 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,031 |
| Flags of Oceania | 0 | - | 5.00 | 257,487 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,677 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,775 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,516 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,884 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,346 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,720 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,992 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,181 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,786 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,265 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,010 |
| Geography by Picture - B | 0 | - | 4.42 | 55,521 |
| Geography by Picture - H | 0 | - | 4.50 | 58,143 |
| Geography by Picture - N | 0 | - | 4.45 | 42,134 |
| Geography by Picture - R | 0 | - | 4.56 | 40,960 |
| Geography by Picture - T | 0 | - | 4.54 | 57,771 |
| Flags of WW1 | 0 | - | 4.60 | 38,214 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,793 |
| Boundary Waters | 0 | - | 4.92 | 88,306 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,025 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,740 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,956 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,214 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,134 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,227,533 |
| Landlocked Countries | 0 | - | 4.99 | 417,436 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 564,115 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,320 |
| Merged Countries #2 | 0 | - | 4.96 | 98,801 |
| Merged Countries #6 | 0 | - | 4.90 | 73,036 |
| Merged Countries #7 | 0 | - | 4.93 | 82,317 |
| Satellite Images #1 | 0 | - | 4.46 | 129,224 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,175 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,815 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,815 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,905 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,727 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,434 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,468 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,431 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,672 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,505 |
| World Capitals Quiz | 0 | - | 5.00 | 5,055,448 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,291 |
| Himalayan Countries | 0 | - | 4.95 | 136,815 |
| Andean Countries | 0 | - | 4.95 | 83,633 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,886 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,211 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,560 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,155 |
| Danube Countries | 0 | - | 4.97 | 71,506 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,336 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,923 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,341 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,379 |
| European Landlocked Countries | 0 | - | 4.99 | 146,218 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,910 |
| Countries with the Most Species | 0 | - | 4.99 | 102,507 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,034 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,363 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,541 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,212 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,872 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,251 |
| Countries in the Alps | 0 | - | 4.86 | 117,459 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,980 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,079 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,321 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,828 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,926 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,335 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,094 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,057 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,874 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,414 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,412 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,253 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,805 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,073 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,082 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,885 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,955 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,482 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,328 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,510 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,823 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,887 |
| Largest Countries By Category | 0 | - | 4.97 | 157,394 |
| Countries by Countries | 0 | - | 4.96 | 62,689 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,983 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,114 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,433 |
| Merged Country Flags | 0 | - | 4.88 | 106,436 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,028 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,493 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,399 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,175 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,746,918 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,215 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,689 |
| Geography by Picture - A | 0 | - | 4.39 | 60,156 |
| Geography by Picture - D | 0 | - | 4.15 | 45,581 |
| Geography by Picture - F | 0 | - | 4.31 | 50,919 |
| Geography by Picture - G | 0 | - | 4.38 | 47,884 |
| Geography by Picture - J | 0 | - | 4.16 | 38,400 |
| Geography by Picture - K | 0 | - | 4.29 | 33,073 |
| Geography by Picture - C | 0 | - | 4.31 | 57,006 |
| Geography by Picture - L | 0 | - | 4.37 | 58,866 |
| Geography by Picture - M | 0 | - | 4.14 | 40,400 |
| Geography by Picture - P | 0 | - | 4.24 | 42,376 |
| Geography by Picture - S | 0 | - | 4.38 | 46,988 |
