| All Country Flags of the World | 0 | - | 5.00 | 3,688,904 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,608 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,047 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,920 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,432 |
| Flags with Crescents | 0 | - | 4.98 | 170,567 |
| Country Flag Trivia | 0 | - | 4.81 | 57,549 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,335 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,958 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,995 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,598 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,606 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,178 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,983 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,453 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,594 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,166 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,703 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,942 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,621 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,859 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,953 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,887 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,899 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,888 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,972 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,777 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,396 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,840 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,889 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,287 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,641 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,744 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,097 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,317 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,384 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,288 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,624 |
| Flags of North and South America | 0 | - | 4.99 | 375,042 |
| Flags to Languages | 0 | - | 4.95 | 174,068 |
| Former Flags | 0 | - | 4.97 | 108,120 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,069 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,722 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,098 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,723 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,018 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,361 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,961 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,284 |
| Flag Maths | 0 | - | 4.64 | 57,803 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,380 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,950 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,112 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,912 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,565 |
| World Coats of Arms | 0 | - | 4.99 | 64,818 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,041 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,440 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,139 |
| Similar Flags #1 | 0 | - | 4.75 | 130,399 |
| Similar Flags #2 | 0 | - | 4.74 | 137,708 |
| Emoji Flags | 0 | - | 4.35 | 44,189 |
| Countries by Road Signs | 0 | - | 4.98 | 54,118 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,785 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,840 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,392 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,705 |
| Select the World Flags | 0 | - | 4.27 | 37,869 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,256 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,035 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,097 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,607 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,307 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,386 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,029 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,608 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,903 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,945 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,073 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,003 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,010 |
| Pixelated World Map | 0 | - | 5.00 | 143,767 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 61,738 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,423 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,418 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,852 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,314 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,721 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,225 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,709 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,196 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,589 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,155 |
| Geography by Picture - B | 0 | - | 4.42 | 55,699 |
| Geography by Picture - H | 0 | - | 4.50 | 58,302 |
| Geography by Picture - N | 0 | - | 4.45 | 42,278 |
| Geography by Picture - R | 0 | - | 4.56 | 41,089 |
| Geography by Picture - T | 0 | - | 4.54 | 57,924 |
| Flags of Oceania | 0 | - | 5.00 | 261,085 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,946 |
| Flags of WW1 | 0 | - | 4.60 | 38,555 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,244 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,177 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,512 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,128 |
| Boundary Waters | 0 | - | 4.92 | 88,631 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,302 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,395 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,921 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,722 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,695 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,668,343 |
| Landlocked Countries | 0 | - | 4.99 | 423,060 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,440 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,636 |
| Satellite Images #1 | 0 | - | 4.47 | 129,530 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,444 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,025 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,051 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,065 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,270 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,857 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,963 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,786,283 |
| Merged Countries #2 | 0 | - | 4.96 | 99,347 |
| Merged Countries #6 | 0 | - | 4.90 | 73,566 |
| Merged Countries #7 | 0 | - | 4.93 | 82,912 |
| Geography by Picture - A | 0 | - | 4.39 | 60,346 |
| Geography by Picture - D | 0 | - | 4.15 | 45,725 |
| Geography by Picture - F | 0 | - | 4.31 | 51,097 |
| Geography by Picture - G | 0 | - | 4.39 | 48,024 |
| Geography by Picture - J | 0 | - | 4.16 | 38,531 |
| Geography by Picture - K | 0 | - | 4.29 | 33,191 |
| Geography by Picture - C | 0 | - | 4.31 | 57,154 |
| Geography by Picture - L | 0 | - | 4.37 | 59,066 |
| Geography by Picture - M | 0 | - | 4.14 | 40,525 |
| Geography by Picture - P | 0 | - | 4.24 | 42,506 |
| Geography by Picture - S | 0 | - | 4.38 | 47,117 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,441 |
| Islands by Picture | 0 | - | 4.28 | 107,391 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,766 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,138 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,577 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,592 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,567 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,320 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,332 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,859 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,021 |
| Island Countries | 0 | - | 4.99 | 711,437 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,037 |
| Himalayan Countries | 0 | - | 4.95 | 139,197 |
| Andean Countries | 0 | - | 4.93 | 84,884 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,100 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,240 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,680 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,996 |
| Danube Countries | 0 | - | 4.97 | 72,140 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,196 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,546 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,541 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,051 |
| European Landlocked Countries | 0 | - | 4.99 | 147,284 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,843 |
| Countries with the Most Species | 0 | - | 4.99 | 103,352 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,970 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,648 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,768 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,621 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,371 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,791 |
| Countries in the Alps | 0 | - | 4.87 | 118,369 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,778 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,298 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,760 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,721 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,644 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,043 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,820 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,611 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,250 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,958 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,723 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,595 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,331 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,569 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,638 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,170 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,405 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,785 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,256 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,526 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,437 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,315 |
| Largest Countries By Category | 0 | - | 4.97 | 158,408 |
| Countries by Countries | 0 | - | 4.96 | 63,361 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,855 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,328 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,592 |
| Merged Country Flags | 0 | - | 4.88 | 107,066 |
