| All Country Flags of the World | 0 | - | 5.00 | 3,652,310 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,211 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,910 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,774 |
| Flags with Crescents | 0 | - | 4.98 | 169,195 |
| Country Flag Trivia | 0 | - | 4.81 | 56,858 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,516 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,300 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,134 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,149 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,666 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,390 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,654 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,161 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,098 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,079 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,783 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,870 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,377 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,352 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,262 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,377 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,482 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,242 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,947 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,400 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,645 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,029 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,261 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,309 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,612 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,835 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,931 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,728 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,379 |
| Flags of North and South America | 0 | - | 4.99 | 372,255 |
| Flags to Languages | 0 | - | 4.95 | 173,462 |
| Former Flags | 0 | - | 4.97 | 107,546 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,884 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,431 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,342 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,903 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,934 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,619 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,055 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,351 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,375 |
| Flag Maths | 0 | - | 4.64 | 57,748 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,372 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,392 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,752 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,682 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,456 |
| World Coats of Arms | 0 | - | 4.99 | 64,371 |
| Similar Flags #1 | 0 | - | 4.75 | 129,845 |
| Similar Flags #2 | 0 | - | 4.74 | 137,142 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,354 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,606 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,132 |
| Emoji Flags | 0 | - | 4.35 | 44,034 |
| Countries by Road Signs | 0 | - | 4.98 | 53,682 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,474 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,217 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,471 |
| Select the World Flags | 0 | - | 4.27 | 37,684 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,831 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,848 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,326 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,010 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,116 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,873 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,433 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,330 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,326 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,744 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,543 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,067 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,980 |
| Pixelated World Map | 0 | - | 5.00 | 143,206 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,784 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,974 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,364 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,164 |
| Boundary Waters | 0 | - | 4.92 | 88,395 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,104 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,950 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,231 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,367 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,299 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,929 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,038 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,308 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,026 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,388 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,093 |
| Geography by Picture - B | 0 | - | 4.42 | 55,572 |
| Geography by Picture - H | 0 | - | 4.50 | 58,193 |
| Geography by Picture - N | 0 | - | 4.45 | 42,180 |
| Geography by Picture - R | 0 | - | 4.56 | 41,001 |
| Geography by Picture - T | 0 | - | 4.54 | 57,811 |
| Flags of Oceania | 0 | - | 5.00 | 258,408 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,032 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,921 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,716 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,046 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,570 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,356,673 |
| Flags of WW1 | 0 | - | 4.60 | 38,312 |
| Landlocked Countries | 0 | - | 4.99 | 419,256 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,831 |
| Satellite Images #1 | 0 | - | 4.47 | 129,314 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,254 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,874 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,876 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,950 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,889 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,811 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,516 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,670 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,724 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,965 |
| World Capitals Quiz | 0 | - | 5.00 | 5,065,637 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,128 |
| Himalayan Countries | 0 | - | 4.95 | 137,549 |
| Andean Countries | 0 | - | 4.95 | 84,002 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,274 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,745 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,890 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,392 |
| Danube Countries | 0 | - | 4.97 | 71,701 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,609 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,094 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,705 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,785 |
| European Landlocked Countries | 0 | - | 4.99 | 146,810 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,174 |
| Countries with the Most Species | 0 | - | 4.99 | 102,949 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,325 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,438 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,598 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,330 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,007 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,394 |
| Countries in the Alps | 0 | - | 4.87 | 117,740 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,168 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,432 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,440 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,030 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,139 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,740 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,320 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,220 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,983 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,581 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,503 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,351 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,956 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,212 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,237 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,252 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,084 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,586 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,570 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,526 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,304 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,016 |
| Largest Countries By Category | 0 | - | 4.97 | 157,695 |
| Countries by Countries | 0 | - | 4.96 | 62,866 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,257 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,172 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,479 |
| Merged Country Flags | 0 | - | 4.88 | 106,627 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,633 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,683 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,548 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,360 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,758,802 |
| Merged Countries #2 | 0 | - | 4.96 | 98,945 |
| Merged Countries #6 | 0 | - | 4.90 | 73,160 |
| Merged Countries #7 | 0 | - | 4.93 | 82,500 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,404 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,754 |
| Geography by Picture - A | 0 | - | 4.39 | 60,214 |
| Geography by Picture - D | 0 | - | 4.15 | 45,628 |
| Geography by Picture - F | 0 | - | 4.31 | 50,967 |
| Geography by Picture - G | 0 | - | 4.38 | 47,922 |
| Geography by Picture - J | 0 | - | 4.16 | 38,444 |
| Geography by Picture - K | 0 | - | 4.29 | 33,108 |
| Geography by Picture - C | 0 | - | 4.31 | 57,041 |
| Geography by Picture - L | 0 | - | 4.37 | 58,920 |
| Geography by Picture - M | 0 | - | 4.14 | 40,431 |
| Geography by Picture - P | 0 | - | 4.24 | 42,411 |
| Geography by Picture - S | 0 | - | 4.38 | 47,023 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,255 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,399 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,755 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,162 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,090 |
| Longest International Borders | 0 | - | 4.99 | 264,711 |
| Countries with Three Borders | 0 | - | 4.96 | 36,467 |
