| All Country Flags of the World | 0 | - | 5.00 | 3,625,426 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,578 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,440 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,106 |
| Flags with Crescents | 0 | - | 4.98 | 168,277 |
| Country Flag Trivia | 0 | - | 4.81 | 56,290 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,876 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,817 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,413 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,327 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,724 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,085 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,551 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,726 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,435 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,235 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,209 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,015 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,009 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,812 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,051 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,144 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,905 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,612 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,092 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,452 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,837 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,000 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,982 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,286 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,476 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,606 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,200 |
| Flags of North and South America | 0 | - | 4.99 | 369,741 |
| Flags to Languages | 0 | - | 4.95 | 172,931 |
| Former Flags | 0 | - | 4.97 | 107,107 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,751 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,182 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,056 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,350 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,811 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,808 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,305 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,851 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,888 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,913 |
| Flag Maths | 0 | - | 4.63 | 57,700 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,859 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,161 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,586 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,519 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,363 |
| World Coats of Arms | 0 | - | 4.99 | 64,098 |
| Similar Flags #1 | 0 | - | 4.74 | 129,441 |
| Similar Flags #2 | 0 | - | 4.74 | 136,720 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,854 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,194 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,481 |
| Emoji Flags | 0 | - | 4.35 | 43,907 |
| Countries by Road Signs | 0 | - | 4.98 | 53,361 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,229 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,092 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 23,214 |
| Select the World Flags | 0 | - | 4.27 | 37,536 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,525 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,710 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,170 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,823 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,970 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,779 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,329 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,593 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,107 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,541 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,151 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,541 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,513 |
| Pixelated World Map | 0 | - | 5.00 | 142,827 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,301 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,694 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,004 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,047 |
| Boundary Waters | 0 | - | 4.92 | 88,195 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,937 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,599 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,740 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,075 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,991 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,560 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,965 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,137 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,702 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,231 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,979 |
| Geography by Picture - B | 0 | - | 4.42 | 55,493 |
| Geography by Picture - H | 0 | - | 4.50 | 58,106 |
| Geography by Picture - N | 0 | - | 4.45 | 42,101 |
| Geography by Picture - R | 0 | - | 4.56 | 40,927 |
| Geography by Picture - T | 0 | - | 4.54 | 57,741 |
| Flags of Oceania | 0 | - | 5.00 | 256,708 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,413 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,676 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,366 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,732 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,181 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,125,780 |
| Flags of WW1 | 0 | - | 4.60 | 38,125 |
| Landlocked Countries | 0 | - | 4.99 | 416,176 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 560,562 |
| Satellite Images #1 | 0 | - | 4.46 | 129,159 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,115 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,763 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,755 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,876 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,602 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,778 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,337 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,278 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,217 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,482 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,412 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,692 |
| Himalayan Countries | 0 | - | 4.95 | 136,301 |
| Andean Countries | 0 | - | 4.95 | 83,372 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,634 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,857 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,334 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,945 |
| Danube Countries | 0 | - | 4.97 | 71,343 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,130 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,802 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,053 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,001 |
| European Landlocked Countries | 0 | - | 4.99 | 146,065 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,680 |
| Countries with the Most Species | 0 | - | 4.99 | 99,072 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,827 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,308 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,481 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,124 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,775 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,143 |
| Countries in the Alps | 0 | - | 4.86 | 117,273 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,856 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,782 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,217 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,683 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,676 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,212 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,930 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,962 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,762 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,291 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,335 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,187 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,682 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,952 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,961 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,623 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,861 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,394 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,145 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,722 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,450 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,786 |
| Largest Countries By Category | 0 | - | 4.97 | 157,195 |
| Countries by Countries | 0 | - | 4.96 | 62,549 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,811 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,065 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,400 |
| Merged Country Flags | 0 | - | 4.88 | 106,287 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,558 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,360 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,286 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,039 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,290 |
| Merged Countries #2 | 0 | - | 4.96 | 98,677 |
| Merged Countries #6 | 0 | - | 4.90 | 72,926 |
| Merged Countries #7 | 0 | - | 4.93 | 82,175 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,985 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,611 |
| Geography by Picture - A | 0 | - | 4.39 | 60,121 |
| Geography by Picture - D | 0 | - | 4.15 | 45,552 |
| Geography by Picture - F | 0 | - | 4.31 | 50,887 |
| Geography by Picture - G | 0 | - | 4.38 | 47,858 |
| Geography by Picture - J | 0 | - | 4.16 | 38,377 |
| Geography by Picture - K | 0 | - | 4.29 | 33,051 |
| Geography by Picture - C | 0 | - | 4.31 | 56,983 |
| Geography by Picture - L | 0 | - | 4.37 | 58,839 |
| Geography by Picture - M | 0 | - | 4.14 | 40,377 |
| Geography by Picture - P | 0 | - | 4.24 | 42,347 |
| Geography by Picture - S | 0 | - | 4.38 | 46,960 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,844 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,312 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,592 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,117 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,823 |
| Longest International Borders | 0 | - | 4.99 | 264,240 |
| Countries with Three Borders | 0 | - | 4.96 | 36,322 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,758 |
