| All Country Flags of the World | 0 | - | 5.00 | 3,631,522 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,440 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,888 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,536 |
| Flags with Crescents | 0 | - | 4.98 | 168,499 |
| Country Flag Trivia | 0 | - | 4.81 | 56,453 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,023 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,948 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,588 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,863 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,736 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,411 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,850 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,183 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,706 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,818 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,604 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,353 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,342 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,092 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,074 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,910 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,128 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,216 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,982 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,674 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,162 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,495 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,887 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,049 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,036 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,356 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,549 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,678 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,241 |
| Flags of North and South America | 0 | - | 4.99 | 370,291 |
| Flags to Languages | 0 | - | 4.95 | 173,045 |
| Former Flags | 0 | - | 4.97 | 107,196 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,782 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,212 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,110 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,432 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,634 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,829 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,294 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,374 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,897 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,006 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,016 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,384 |
| Flag Maths | 0 | - | 4.64 | 57,711 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,954 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,203 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,620 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,552 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,381 |
| World Coats of Arms | 0 | - | 4.99 | 64,148 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,965 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,277 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,608 |
| Similar Flags #1 | 0 | - | 4.74 | 129,527 |
| Similar Flags #2 | 0 | - | 4.74 | 136,818 |
| Emoji Flags | 0 | - | 4.35 | 43,934 |
| Countries by Road Signs | 0 | - | 4.98 | 53,434 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,273 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,112 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,571 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,573 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,731 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,226 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,197 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,862 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,997 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,798 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,353 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,657 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,138 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,573 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,055 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,306 |
| Pixelated World Map | 0 | - | 5.00 | 142,903 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,073 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,760 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,423 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,075 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,073 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,634 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,979 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,159 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,736 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,242 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,993 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,020 |
| Geography by Picture - B | 0 | - | 4.42 | 55,506 |
| Geography by Picture - H | 0 | - | 4.50 | 58,123 |
| Geography by Picture - N | 0 | - | 4.45 | 42,116 |
| Geography by Picture - R | 0 | - | 4.56 | 40,942 |
| Geography by Picture - T | 0 | - | 4.54 | 57,753 |
| Flags of Oceania | 0 | - | 5.00 | 257,083 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,529 |
| Flags of WW1 | 0 | - | 4.60 | 38,175 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,718 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,431 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,805 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,263 |
| Boundary Waters | 0 | - | 4.92 | 88,241 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,973 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,667 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,835 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,137 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,051 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,176,608 |
| Landlocked Countries | 0 | - | 4.99 | 416,834 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 562,355 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,282 |
| Satellite Images #1 | 0 | - | 4.46 | 129,185 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,146 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,784 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,786 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,890 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,662 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,784 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,605 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,741,733 |
| Merged Countries #2 | 0 | - | 4.96 | 98,735 |
| Merged Countries #6 | 0 | - | 4.90 | 72,976 |
| Merged Countries #7 | 0 | - | 4.93 | 82,240 |
| Geography by Picture - A | 0 | - | 4.39 | 60,140 |
| Geography by Picture - D | 0 | - | 4.15 | 45,564 |
| Geography by Picture - F | 0 | - | 4.31 | 50,901 |
| Geography by Picture - G | 0 | - | 4.38 | 47,870 |
| Geography by Picture - J | 0 | - | 4.16 | 38,388 |
| Geography by Picture - K | 0 | - | 4.29 | 33,062 |
| Geography by Picture - C | 0 | - | 4.31 | 56,993 |
| Geography by Picture - L | 0 | - | 4.37 | 58,851 |
| Geography by Picture - M | 0 | - | 4.14 | 40,390 |
| Geography by Picture - P | 0 | - | 4.24 | 42,361 |
| Geography by Picture - S | 0 | - | 4.38 | 46,973 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,255 |
| Islands by Picture | 0 | - | 4.29 | 106,404 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,382 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,366 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,311 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,567 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,025 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,386 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,256 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,885 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,901 |
| Island Countries | 0 | - | 4.99 | 708,878 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,015 |
| Himalayan Countries | 0 | - | 4.95 | 136,573 |
| Andean Countries | 0 | - | 4.95 | 83,526 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,784 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,054 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,459 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,050 |
| Danube Countries | 0 | - | 4.97 | 71,447 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,248 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,863 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,183 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,170 |
| European Landlocked Countries | 0 | - | 4.99 | 146,144 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,800 |
| Countries with the Most Species | 0 | - | 4.99 | 101,932 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,925 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,341 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,518 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,172 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,823 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,204 |
| Countries in the Alps | 0 | - | 4.86 | 117,357 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,919 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,936 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,267 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,760 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,847 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,272 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,006 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,003 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,821 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,349 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,372 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,212 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,740 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,016 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,021 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,750 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,910 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,439 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,266 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,094 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,617 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,841 |
| Largest Countries By Category | 0 | - | 4.97 | 157,289 |
| Countries by Countries | 0 | - | 4.96 | 62,606 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,900 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,083 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,410 |
| Merged Country Flags | 0 | - | 4.88 | 106,354 |
