| All Country Flags of the World | 0 | - | 5.00 | 3,681,078 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,222 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,378 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,452 |
| Flags with Crescents | 0 | - | 4.98 | 170,137 |
| Country Flag Trivia | 0 | - | 4.81 | 57,375 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,154 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,830 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,814 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,503 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,060 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,248 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,429 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,961 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,587 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,778 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,477 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,672 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,846 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,778 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,772 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,781 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,882 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,675 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,310 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,744 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,839 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,241 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,555 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,656 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,004 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,199 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,291 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,168 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,581 |
| Flags of North and South America | 0 | - | 4.99 | 374,402 |
| Flags to Languages | 0 | - | 4.95 | 173,936 |
| Former Flags | 0 | - | 4.97 | 107,987 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,035 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,708 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,647 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,062 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,817 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,941 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,316 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,834 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,855 |
| Flag Maths | 0 | - | 4.64 | 57,792 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,229 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,875 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,072 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,874 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,552 |
| World Coats of Arms | 0 | - | 4.99 | 64,731 |
| Similar Flags #1 | 0 | - | 4.75 | 130,287 |
| Similar Flags #2 | 0 | - | 4.74 | 137,587 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,904 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,065 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 171,992 |
| Emoji Flags | 0 | - | 4.35 | 44,156 |
| Countries by Road Signs | 0 | - | 4.98 | 54,031 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,756 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,350 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,436 |
| Select the World Flags | 0 | - | 4.27 | 37,837 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,177 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,002 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,562 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,265 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,341 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,002 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,587 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,532 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,903 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,010 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,992 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,792 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,969 |
| Pixelated World Map | 0 | - | 5.00 | 143,657 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,295 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,338 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,752 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,280 |
| Boundary Waters | 0 | - | 4.92 | 88,586 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,266 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,292 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,764 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,633 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,602 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,515 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,176 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,665 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,136 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,555 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,118 |
| Geography by Picture - B | 0 | - | 4.42 | 55,677 |
| Geography by Picture - H | 0 | - | 4.50 | 58,284 |
| 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 Oceania | 0 | - | 5.00 | 260,590 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,735 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,172 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,079 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,397 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,999 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,601,883 |
| Flags of WW1 | 0 | - | 4.60 | 38,507 |
| Landlocked Countries | 0 | - | 4.99 | 422,211 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,535 |
| Satellite Images #1 | 0 | - | 4.47 | 129,492 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,407 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,994 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,013 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,046 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,190 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,843 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,719 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,043 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,443 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,451 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,576 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,605 |
| Himalayan Countries | 0 | - | 4.95 | 138,850 |
| Andean Countries | 0 | - | 4.93 | 84,681 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,881 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,923 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,511 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,854 |
| Danube Countries | 0 | - | 4.97 | 72,042 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,058 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,455 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,362 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,848 |
| European Landlocked Countries | 0 | - | 4.99 | 147,172 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,687 |
| Countries with the Most Species | 0 | - | 4.99 | 103,267 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,814 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,607 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,732 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,563 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,254 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,691 |
| Countries in the Alps | 0 | - | 4.87 | 118,243 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,263 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,079 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,677 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,624 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,547 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,967 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,700 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,516 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,198 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,876 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,668 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,541 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,244 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,499 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,552 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,967 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,333 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,090 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,127 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,060 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,191 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,254 |
| Largest Countries By Category | 0 | - | 4.97 | 158,255 |
| Countries by Countries | 0 | - | 4.96 | 63,260 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,718 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,299 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,573 |
| Merged Country Flags | 0 | - | 4.88 | 106,974 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,684 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,050 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,830 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,695 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,400 |
| Merged Countries #2 | 0 | - | 4.96 | 99,269 |
| Merged Countries #6 | 0 | - | 4.90 | 73,490 |
| Merged Countries #7 | 0 | - | 4.93 | 82,822 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,732 |
| 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 | 48,003 |
| 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 | 59,043 |
| 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 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,527 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,504 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,934 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,050 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,306 |
| Longest International Borders | 0 | - | 4.99 | 265,233 |
| Countries with Three Borders | 0 | - | 4.96 | 36,625 |
