| All Country Flags of the World | 0 | - | 5.00 | 3,651,696 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,100 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,866 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,741 |
| Flags with Crescents | 0 | - | 4.98 | 169,183 |
| Country Flag Trivia | 0 | - | 4.81 | 56,850 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,505 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,293 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,123 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,143 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,661 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,374 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,639 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,148 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,094 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,065 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,759 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,856 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,368 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,346 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,246 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,368 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,476 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,233 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,938 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,389 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,641 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,027 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,258 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,305 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,606 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,826 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,926 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,716 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,369 |
| Flags of North and South America | 0 | - | 4.99 | 372,209 |
| Flags to Languages | 0 | - | 4.95 | 173,451 |
| Former Flags | 0 | - | 4.97 | 107,532 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,880 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,422 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,336 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,898 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,854 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,610 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,044 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,334 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,368 |
| Flag Maths | 0 | - | 4.64 | 57,747 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,358 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,387 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,749 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,680 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,454 |
| World Coats of Arms | 0 | - | 4.99 | 64,363 |
| Similar Flags #1 | 0 | - | 4.75 | 129,831 |
| Similar Flags #2 | 0 | - | 4.74 | 137,134 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,339 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,601 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,117 |
| Emoji Flags | 0 | - | 4.35 | 44,029 |
| Countries by Road Signs | 0 | - | 4.98 | 53,676 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,470 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,213 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,447 |
| Select the World Flags | 0 | - | 4.27 | 37,682 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,822 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,847 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,322 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,004 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,110 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,868 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,430 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,325 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,321 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,741 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,534 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,882 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,861 |
| Pixelated World Map | 0 | - | 5.00 | 143,193 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,669 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,971 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,354 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,160 |
| Boundary Waters | 0 | - | 4.92 | 88,390 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,099 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,943 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,221 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,363 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,293 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,924 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,037 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,304 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,020 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,385 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,091 |
| Geography by Picture - B | 0 | - | 4.42 | 55,568 |
| Geography by Picture - H | 0 | - | 4.50 | 58,190 |
| Geography by Picture - N | 0 | - | 4.45 | 42,179 |
| Geography by Picture - R | 0 | - | 4.56 | 40,999 |
| Geography by Picture - T | 0 | - | 4.54 | 57,810 |
| Flags of Oceania | 0 | - | 5.00 | 258,371 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,005 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,911 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,706 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,037 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,555 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,351,960 |
| Flags of WW1 | 0 | - | 4.60 | 38,306 |
| Landlocked Countries | 0 | - | 4.99 | 419,205 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,696 |
| Satellite Images #1 | 0 | - | 4.47 | 129,308 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,250 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,872 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,874 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,948 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,882 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,811 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,513 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,656 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,710 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,953 |
| World Capitals Quiz | 0 | - | 5.00 | 5,065,236 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,102 |
| Himalayan Countries | 0 | - | 4.95 | 137,529 |
| Andean Countries | 0 | - | 4.95 | 83,991 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,261 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,734 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,885 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,384 |
| Danube Countries | 0 | - | 4.97 | 71,695 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,603 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,086 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,696 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,774 |
| European Landlocked Countries | 0 | - | 4.99 | 146,804 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,167 |
| Countries with the Most Species | 0 | - | 4.99 | 102,940 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,310 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,597 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,323 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,005 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,389 |
| Countries in the Alps | 0 | - | 4.87 | 117,727 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,162 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,414 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,437 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,025 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,134 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,733 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,309 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,212 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,981 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,577 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,500 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,350 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,950 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,208 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,233 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,240 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,082 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,584 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,561 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,491 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,284 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,015 |
| Largest Countries By Category | 0 | - | 4.97 | 157,679 |
| Countries by Countries | 0 | - | 4.96 | 62,859 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,246 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,168 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,479 |
| Merged Country Flags | 0 | - | 4.88 | 106,618 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,597 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,675 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,541 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,346 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,758,313 |
| Merged Countries #2 | 0 | - | 4.96 | 98,938 |
| Merged Countries #6 | 0 | - | 4.90 | 73,153 |
| Merged Countries #7 | 0 | - | 4.93 | 82,488 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,400 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,751 |
| Geography by Picture - A | 0 | - | 4.39 | 60,208 |
| Geography by Picture - D | 0 | - | 4.15 | 45,626 |
| Geography by Picture - F | 0 | - | 4.31 | 50,963 |
| Geography by Picture - G | 0 | - | 4.38 | 47,921 |
| Geography by Picture - J | 0 | - | 4.16 | 38,440 |
| Geography by Picture - K | 0 | - | 4.29 | 33,106 |
| Geography by Picture - C | 0 | - | 4.31 | 57,038 |
| Geography by Picture - L | 0 | - | 4.37 | 58,917 |
| Geography by Picture - M | 0 | - | 4.14 | 40,428 |
| Geography by Picture - P | 0 | - | 4.24 | 42,406 |
| Geography by Picture - S | 0 | - | 4.38 | 47,021 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,249 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,397 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,754 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,143 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,089 |
| Longest International Borders | 0 | - | 4.99 | 264,705 |
| Countries with Three Borders | 0 | - | 4.96 | 36,465 |
