| All Country Flags of the World | 0 | - | 5.00 | 3,603,112 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,519 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,484 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,726 |
| Flags with Crescents | 0 | - | 4.98 | 167,587 |
| Country Flag Trivia | 0 | - | 4.81 | 55,949 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,435 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,470 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,931 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,051 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,771 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,240 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,926 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,386 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,390 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,667 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,241 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,635 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,653 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,397 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,747 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,823 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,589 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,307 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,829 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,277 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,678 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,770 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,403 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,704 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,765 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,985 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,045 |
| Flags of North and South America | 0 | - | 4.99 | 367,375 |
| Flags to Languages | 0 | - | 4.95 | 172,507 |
| Former Flags | 0 | - | 4.97 | 106,716 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,627 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,155 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,798 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,598 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,709 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,535 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,075 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,635 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,538 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,483 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,381 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,971 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,451 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,369 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,281 |
| World Coats of Arms | 0 | - | 4.99 | 63,871 |
| Similar Flags #1 | 0 | - | 4.74 | 129,116 |
| Similar Flags #2 | 0 | - | 4.74 | 136,380 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,405 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,812 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,927 |
| Emoji Flags | 0 | - | 4.35 | 43,817 |
| Countries by Road Signs | 0 | - | 4.98 | 53,106 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,040 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,995 |
| Select the World Flags | 0 | - | 4.27 | 37,408 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,304 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,569 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,051 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,687 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,832 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,685 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,228 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,384 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,988 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,398 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,822 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,023 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,697 |
| Pixelated World Map | 0 | - | 5.00 | 142,453 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,524 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,399 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,704 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,936 |
| Boundary Waters | 0 | - | 4.92 | 88,050 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,821 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,297 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,313 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,850 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,744 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,287 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,914 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,044 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,572 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,156 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,920 |
| Geography by Picture - B | 0 | - | 4.42 | 55,419 |
| Geography by Picture - H | 0 | - | 4.49 | 58,051 |
| Geography by Picture - N | 0 | - | 4.45 | 42,050 |
| Geography by Picture - R | 0 | - | 4.55 | 40,880 |
| Geography by Picture - T | 0 | - | 4.54 | 57,679 |
| Flags of Oceania | 0 | - | 5.00 | 255,261 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,890 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,459 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,082 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,425 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,837 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,926,572 |
| Flags of WW1 | 0 | - | 4.60 | 37,950 |
| Landlocked Countries | 0 | - | 4.99 | 413,700 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,183 |
| Satellite Images #1 | 0 | - | 4.46 | 129,016 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,990 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,655 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,651 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,810 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,373 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,739 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,164 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,013 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,641 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,022 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,156 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,624 |
| Himalayan Countries | 0 | - | 4.95 | 135,390 |
| Andean Countries | 0 | - | 4.94 | 82,837 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,228 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,227 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,918 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,620 |
| Danube Countries | 0 | - | 4.97 | 71,090 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,773 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,543 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,499 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,415 |
| European Landlocked Countries | 0 | - | 4.99 | 145,762 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,224 |
| Countries with the Most Species | 0 | - | 4.99 | 95,246 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,359 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,960 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,580 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,835 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,579 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,272 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,016 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,428 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,178 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,009 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,587 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,762 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,323 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,067 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,198 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,046 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,457 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,753 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,758 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,088 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,653 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,255 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,776 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,334 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,695 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,607 |
| Largest Countries By Category | 0 | - | 4.97 | 156,773 |
| Countries by Countries | 0 | - | 4.96 | 62,263 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,396 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,333 |
| Merged Country Flags | 0 | - | 4.88 | 106,025 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,698 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,112 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,061 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,775 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,582 |
| Merged Countries #2 | 0 | - | 4.96 | 98,489 |
| Merged Countries #6 | 0 | - | 4.91 | 72,718 |
| Merged Countries #7 | 0 | - | 4.92 | 81,969 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,720 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,488 |
| Geography by Picture - A | 0 | - | 4.39 | 60,055 |
| Geography by Picture - D | 0 | - | 4.15 | 45,496 |
| Geography by Picture - F | 0 | - | 4.31 | 50,830 |
| Geography by Picture - G | 0 | - | 4.38 | 47,792 |
| Geography by Picture - J | 0 | - | 4.16 | 38,336 |
| Geography by Picture - K | 0 | - | 4.28 | 33,016 |
| Geography by Picture - C | 0 | - | 4.31 | 56,911 |
| Geography by Picture - L | 0 | - | 4.37 | 58,764 |
| Geography by Picture - M | 0 | - | 4.14 | 40,347 |
| Geography by Picture - P | 0 | - | 4.24 | 42,301 |
| Geography by Picture - S | 0 | - | 4.38 | 46,912 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,566 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,240 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,449 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,435 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,627 |
| Longest International Borders | 0 | - | 4.99 | 263,548 |
| Countries with Three Borders | 0 | - | 4.96 | 36,181 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,602 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,678 |
