| All Country Flags of the World | 0 | - | 5.00 | 3,648,943 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,620 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,609 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,574 |
| Flags with Crescents | 0 | - | 4.98 | 169,102 |
| Country Flag Trivia | 0 | - | 4.81 | 56,788 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,437 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,248 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,049 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,111 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,625 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,303 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,567 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,082 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,055 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,014 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,696 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,791 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,330 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,307 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,189 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,331 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,438 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,194 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,896 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,362 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,623 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,007 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,218 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,278 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,582 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,794 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,897 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,681 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,354 |
| Flags of North and South America | 0 | - | 4.99 | 371,957 |
| Flags to Languages | 0 | - | 4.95 | 173,406 |
| Former Flags | 0 | - | 4.97 | 107,478 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,868 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,396 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,302 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,890 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,476 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,576 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,023 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,298 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,315 |
| Flag Maths | 0 | - | 4.64 | 57,745 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,290 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,366 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,732 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,664 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,440 |
| World Coats of Arms | 0 | - | 4.99 | 64,344 |
| Similar Flags #1 | 0 | - | 4.75 | 129,779 |
| Similar Flags #2 | 0 | - | 4.74 | 137,084 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,274 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,541 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,019 |
| Emoji Flags | 0 | - | 4.35 | 44,010 |
| Countries by Road Signs | 0 | - | 4.98 | 53,648 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,442 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,199 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,350 |
| Select the World Flags | 0 | - | 4.27 | 37,671 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,783 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,834 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,304 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,980 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,087 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,858 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,420 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,945 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,241 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,703 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,498 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,111 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,492 |
| Pixelated World Map | 0 | - | 5.00 | 143,153 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,337 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,945 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,317 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,153 |
| Boundary Waters | 0 | - | 4.92 | 88,373 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,079 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,906 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,158 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,333 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,269 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,889 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,031 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,233 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,910 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,319 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,036 |
| Geography by Picture - B | 0 | - | 4.42 | 55,559 |
| Geography by Picture - H | 0 | - | 4.50 | 58,183 |
| Geography by Picture - N | 0 | - | 4.45 | 42,171 |
| Geography by Picture - R | 0 | - | 4.56 | 40,987 |
| Geography by Picture - T | 0 | - | 4.54 | 57,804 |
| Flags of Oceania | 0 | - | 5.00 | 258,191 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,928 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,887 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,658 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,004 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,512 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,328,624 |
| Flags of WW1 | 0 | - | 4.60 | 38,287 |
| Landlocked Countries | 0 | - | 4.99 | 418,855 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,839 |
| Satellite Images #1 | 0 | - | 4.47 | 129,288 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,242 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,863 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,862 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,940 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,852 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,805 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,495 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,611 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,658 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,889 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,279 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,967 |
| Himalayan Countries | 0 | - | 4.94 | 137,390 |
| Andean Countries | 0 | - | 4.95 | 83,916 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,213 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,627 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,820 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,342 |
| Danube Countries | 0 | - | 4.97 | 71,650 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,537 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,047 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,631 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,716 |
| European Landlocked Countries | 0 | - | 4.99 | 146,770 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,124 |
| Countries with the Most Species | 0 | - | 4.99 | 102,900 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,259 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,429 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,584 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,294 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,981 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,356 |
| Countries in the Alps | 0 | - | 4.87 | 117,679 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,123 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,353 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,406 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,976 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,082 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,488 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,273 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,179 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,962 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,546 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,474 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,335 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,916 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,180 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,201 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,159 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,058 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,567 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,509 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,327 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,205 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,992 |
| Largest Countries By Category | 0 | - | 4.97 | 157,623 |
| Countries by Countries | 0 | - | 4.96 | 62,830 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,199 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,157 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,466 |
| Merged Country Flags | 0 | - | 4.88 | 106,579 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,490 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,640 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,508 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,314 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,348 |
| Merged Countries #2 | 0 | - | 4.96 | 98,906 |
| Merged Countries #6 | 0 | - | 4.90 | 73,137 |
| Merged Countries #7 | 0 | - | 4.93 | 82,452 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,365 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,730 |
| Geography by Picture - A | 0 | - | 4.39 | 60,200 |
| Geography by Picture - D | 0 | - | 4.15 | 45,614 |
| Geography by Picture - F | 0 | - | 4.31 | 50,953 |
| Geography by Picture - G | 0 | - | 4.38 | 47,913 |
| Geography by Picture - J | 0 | - | 4.16 | 38,432 |
| Geography by Picture - K | 0 | - | 4.29 | 33,098 |
| Geography by Picture - C | 0 | - | 4.31 | 57,033 |
| Geography by Picture - L | 0 | - | 4.37 | 58,907 |
| Geography by Picture - M | 0 | - | 4.14 | 40,423 |
| Geography by Picture - P | 0 | - | 4.24 | 42,399 |
| Geography by Picture - S | 0 | - | 4.38 | 47,016 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,215 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,388 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,736 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,050 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,067 |
| Longest International Borders | 0 | - | 4.99 | 264,650 |
| Countries with Three Borders | 0 | - | 4.96 | 36,450 |
