| All Country Flags of the World | 0 | - | 5.00 | 3,644,704 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,887 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,244 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,326 |
| Flags with Crescents | 0 | - | 4.98 | 168,941 |
| Country Flag Trivia | 0 | - | 4.81 | 56,703 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,333 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,184 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,951 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,057 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,965 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,561 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,845 |
| Flags of North and South America | 0 | - | 4.99 | 371,596 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,209 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,485 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,000 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,003 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,926 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,610 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,703 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,271 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,262 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,139 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,289 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,382 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,147 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,852 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,314 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,599 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,977 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,178 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,223 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,524 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,743 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,840 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,327 |
| Flags to Languages | 0 | - | 4.95 | 173,316 |
| Former Flags | 0 | - | 4.97 | 107,416 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,842 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,366 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,263 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,207 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,621 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,878 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,517 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,989 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,226 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,235 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,726 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,843 |
| Flag Maths | 0 | - | 4.64 | 57,739 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,192 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,321 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,701 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,643 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,429 |
| World Coats of Arms | 0 | - | 4.99 | 64,293 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,489 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,913 |
| Similar Flags #1 | 0 | - | 4.75 | 129,718 |
| Similar Flags #2 | 0 | - | 4.74 | 137,027 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,432 |
| Emoji Flags | 0 | - | 4.35 | 43,993 |
| Countries by Road Signs | 0 | - | 4.98 | 53,596 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,179 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,408 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,812 |
| Select the World Flags | 0 | - | 4.27 | 37,650 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,177 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,276 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,948 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,055 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,840 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,403 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,791 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,207 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,674 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,913 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,033 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,007 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,674 |
| Pixelated World Map | 0 | - | 5.00 | 143,096 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,714,860 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,769 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,247 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,126 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,621 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,990 |
| Flags of Oceania | 0 | - | 5.00 | 257,903 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,839 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,844 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,607 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,971 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,453 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,818 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,017 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,206 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,835 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,294 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,021 |
| Geography by Picture - B | 0 | - | 4.42 | 55,550 |
| Geography by Picture - H | 0 | - | 4.50 | 58,171 |
| Geography by Picture - N | 0 | - | 4.45 | 42,160 |
| Geography by Picture - R | 0 | - | 4.56 | 40,977 |
| Geography by Picture - T | 0 | - | 4.54 | 57,789 |
| Flags of WW1 | 0 | - | 4.60 | 38,266 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,766 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,368 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,976 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,353 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,717 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,695 |
| Name a Valid African Country | 0 | - | 4.98 | 153,692 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,250 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,802 |
| Boundary Waters | 0 | - | 4.92 | 88,349 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,055 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,863 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,090 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,297 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,223 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,291,743 |
| Landlocked Countries | 0 | - | 4.99 | 418,276 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,701 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 566,440 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,780 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,367 |
| Merged Countries #2 | 0 | - | 4.96 | 98,860 |
| Merged Countries #6 | 0 | - | 4.90 | 73,093 |
| Merged Countries #7 | 0 | - | 4.93 | 82,412 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,568 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,072 |
| Satellite Images #1 | 0 | - | 4.46 | 129,269 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,223 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,842 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,839 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,921 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,801 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,700 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,475 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,566 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,573 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,806 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,310 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,394 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,650 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,253 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,611 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,881 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,432 |
| Which City in Europe? | 0 | - | 4.83 | 107,123 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,651 |
| Himalayan Countries | 0 | - | 4.94 | 137,131 |
| Andean Countries | 0 | - | 4.95 | 83,779 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,030 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,407 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,702 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,258 |
| Danube Countries | 0 | - | 4.97 | 71,586 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,453 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,990 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,526 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,587 |
| European Landlocked Countries | 0 | - | 4.99 | 146,699 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,026 |
| Countries with the Most Species | 0 | - | 4.99 | 102,822 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,168 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,402 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,263 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,933 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,312 |
| Countries in the Alps | 0 | - | 4.87 | 117,591 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,069 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,255 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,370 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,916 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,024 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,400 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,195 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,134 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,929 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,497 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,443 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,303 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,877 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,140 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,162 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,049 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,015 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,538 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,433 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,023 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,075 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,947 |
| Largest Countries By Category | 0 | - | 4.97 | 157,539 |
| Countries by Countries | 0 | - | 4.96 | 62,780 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,126 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,141 |
