| All Country Flags of the World | 0 | - | 5.00 | 3,666,473 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,585 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,120 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,566 |
| Flags with Crescents | 0 | - | 4.98 | 169,663 |
| Country Flag Trivia | 0 | - | 4.81 | 57,088 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,835 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,556 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,490 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,308 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,858 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,874 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,102 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,579 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,379 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,472 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,144 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,294 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,627 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,592 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,530 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,577 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,683 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,466 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,125 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,555 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,743 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,138 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,411 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,474 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,807 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,011 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,109 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,938 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,485 |
| Flags of North and South America | 0 | - | 4.99 | 373,227 |
| Flags to Languages | 0 | - | 4.95 | 173,677 |
| Former Flags | 0 | - | 4.97 | 107,767 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,963 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,564 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,484 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,975 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,736 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,760 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,185 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,594 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,605 |
| Flag Maths | 0 | - | 4.64 | 57,764 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,869 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,714 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,972 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,784 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,513 |
| World Coats of Arms | 0 | - | 4.99 | 64,561 |
| Similar Flags #1 | 0 | - | 4.75 | 130,069 |
| Similar Flags #2 | 0 | - | 4.74 | 137,354 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,612 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,809 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,494 |
| Emoji Flags | 0 | - | 4.35 | 44,109 |
| Countries by Road Signs | 0 | - | 4.98 | 53,849 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,633 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,290 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,972 |
| Select the World Flags | 0 | - | 4.27 | 37,754 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,997 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,928 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,462 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,157 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,233 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,943 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,520 |
| Countries by Picture #1 | 0 | - | 4.51 | 115,490 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,643 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,884 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,755 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,661 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,800 |
| Pixelated World Map | 0 | - | 5.00 | 143,416 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,574 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,128 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,557 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,210 |
| Boundary Waters | 0 | - | 4.92 | 88,481 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,175 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,112 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,482 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,479 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,434 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,115 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,078 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,453 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,785 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,360 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,950 |
| Geography by Picture - B | 0 | - | 4.42 | 55,619 |
| Geography by Picture - H | 0 | - | 4.50 | 58,244 |
| Geography by Picture - N | 0 | - | 4.45 | 42,215 |
| Geography by Picture - R | 0 | - | 4.56 | 41,038 |
| Geography by Picture - T | 0 | - | 4.54 | 57,858 |
| Flags of Oceania | 0 | - | 5.00 | 259,541 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,372 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,036 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,885 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,236 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,788 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,474,527 |
| Flags of WW1 | 0 | - | 4.60 | 38,399 |
| Landlocked Countries | 0 | - | 4.99 | 420,722 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,890 |
| Satellite Images #1 | 0 | - | 4.47 | 129,401 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,324 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,931 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,948 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,000 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,036 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,827 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,616 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,854 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,131 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,212 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,125 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,824 |
| Himalayan Countries | 0 | - | 4.95 | 138,165 |
| Andean Countries | 0 | - | 4.95 | 84,301 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,524 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,398 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,157 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,594 |
| Danube Countries | 0 | - | 4.97 | 71,853 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,826 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,258 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,014 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,469 |
| European Landlocked Countries | 0 | - | 4.99 | 146,992 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,402 |
| Countries with the Most Species | 0 | - | 4.99 | 103,108 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,557 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,516 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,667 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,456 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,129 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,519 |
| Countries in the Alps | 0 | - | 4.87 | 117,984 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,784 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,757 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,556 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,468 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,335 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,839 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,490 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,360 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,088 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,713 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,571 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,427 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,085 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,361 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,382 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,585 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,185 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,704 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,839 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,286 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,721 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,122 |
| Largest Countries By Category | 0 | - | 4.97 | 157,957 |
| Countries by Countries | 0 | - | 4.97 | 63,034 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,485 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,226 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,519 |
| Merged Country Flags | 0 | - | 4.88 | 106,799 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,128 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,825 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,688 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,529 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,859 |
| Merged Countries #2 | 0 | - | 4.96 | 99,098 |
| Merged Countries #6 | 0 | - | 4.90 | 73,303 |
| Merged Countries #7 | 0 | - | 4.93 | 82,648 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,582 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,803 |
| Geography by Picture - A | 0 | - | 4.39 | 60,274 |
| Geography by Picture - D | 0 | - | 4.15 | 45,672 |
| Geography by Picture - F | 0 | - | 4.31 | 51,019 |
| Geography by Picture - G | 0 | - | 4.38 | 47,960 |
| Geography by Picture - J | 0 | - | 4.16 | 38,477 |
| Geography by Picture - K | 0 | - | 4.29 | 33,141 |
| Geography by Picture - C | 0 | - | 4.31 | 57,087 |
| Geography by Picture - L | 0 | - | 4.37 | 58,983 |
| Geography by Picture - M | 0 | - | 4.14 | 40,476 |
| Geography by Picture - P | 0 | - | 4.24 | 42,447 |
| Geography by Picture - S | 0 | - | 4.38 | 47,054 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,373 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,447 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,847 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,633 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,202 |
| Longest International Borders | 0 | - | 4.99 | 264,967 |
| Countries with Three Borders | 0 | - | 4.96 | 36,541 |
