| All Country Flags of the World | 0 | - | 5.00 | 3,717,626 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,170 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,599 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,551 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,677 |
| Flags with Crescents | 0 | - | 4.98 | 171,482 |
| Country Flag Trivia | 0 | - | 4.82 | 58,143 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,986 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,508 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,700 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,535 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,916 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,213 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,290 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,079 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,654 |
| World Coats of Arms | 0 | - | 4.99 | 65,211 |
| Flags to Languages | 0 | - | 4.95 | 174,576 |
| Geography by Picture - B | 0 | - | 4.42 | 55,794 |
| Geography by Picture - H | 0 | - | 4.50 | 58,399 |
| Geography by Picture - N | 0 | - | 4.45 | 42,358 |
| Geography by Picture - R | 0 | - | 4.56 | 41,162 |
| Geography by Picture - T | 0 | - | 4.54 | 58,017 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,508 |
| Countries by Road Signs | 0 | - | 4.98 | 54,386 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,120 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,559 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,589 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,191 |
| Satellite Images #1 | 0 | - | 4.46 | 130,024 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,717 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,417 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,266 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,241 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,606 |
| Geography by Picture - A | 0 | - | 4.39 | 60,449 |
| Geography by Picture - D | 0 | - | 4.15 | 45,796 |
| Geography by Picture - F | 0 | - | 4.31 | 51,195 |
| Geography by Picture - G | 0 | - | 4.39 | 48,089 |
| Geography by Picture - J | 0 | - | 4.16 | 38,610 |
| Geography by Picture - K | 0 | - | 4.29 | 33,260 |
| Geography by Picture - C | 0 | - | 4.31 | 57,250 |
| Geography by Picture - L | 0 | - | 4.37 | 59,152 |
| Geography by Picture - M | 0 | - | 4.14 | 40,594 |
| Geography by Picture - P | 0 | - | 4.24 | 42,580 |
| Geography by Picture - S | 0 | - | 4.38 | 47,191 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,801 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,512 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,556 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,144 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,722 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,456 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,078 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,231 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,019 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,305 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,987 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,205 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,890 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,146 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,437 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,433 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,007 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,249 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,684 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,406 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,752 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,469 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,400 |
| Pixelated World Map | 0 | - | 5.00 | 144,146 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,418 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,340 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,408 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,192 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,793 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,205 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,137 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,518 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,109 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,458 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,706 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,778 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,748 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,807 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,147 |
| Flags of North and South America | 0 | - | 4.99 | 377,358 |
| Emoji Flags | 0 | - | 4.35 | 44,301 |
| Former Flags | 0 | - | 4.97 | 108,666 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,669 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,939 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,435 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,261 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,046 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,590 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,926 |
| Geography by Picture - E | 0 | - | 3.55 | 47,500 |
| Landforms by Picture | 0 | - | 4.31 | 20,753 |
| Geography by Picture - I | 0 | - | 4.00 | 39,543 |
| Geography by Picture - O | 0 | - | 4.01 | 28,254 |
| Flags of Oceania | 0 | - | 5.00 | 262,974 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,670 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,980 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,492 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,806 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,518 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,477 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,430 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,512 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,814 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,404 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,711 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,240 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,185 |
| Select the World Flags | 0 | - | 4.28 | 38,007 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 134,122 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,245 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,092 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,668 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,309 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,630 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,419 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,901 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,520 |
| Boundary Waters | 0 | - | 4.92 | 88,794 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,428 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,748 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,402 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,001 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,015 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,491 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,912,613 |
| Landlocked Countries | 0 | - | 4.99 | 426,406 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,752 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,611 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,482 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,878 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,562 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,637 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,279 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,559 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,724 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,333 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,949 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,442 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,046 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,068 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,737 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,926 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,494 |
| Himalayan Countries | 0 | - | 4.93 | 140,441 |
| Andean Countries | 0 | - | 4.94 | 85,583 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,729 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,179 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,289 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,530 |
| Danube Countries | 0 | - | 4.97 | 72,456 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,670 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,891 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,239 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,714 |
| European Landlocked Countries | 0 | - | 4.99 | 147,654 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,374 |
| Countries with the Most Species | 0 | - | 4.99 | 103,598 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,485 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,910 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,871 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,611 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,058 |
| Countries in the Alps | 0 | - | 4.87 | 118,841 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,755 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,973 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,999 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,078 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,019 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,306 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,463 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,908 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,455 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,223 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,907 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,773 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,596 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,840 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,934 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,958 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,652 |
| Similar Flags #1 | 0 | - | 4.75 | 130,850 |
| Similar Flags #2 | 0 | - | 4.74 | 138,118 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,213 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,730 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,904 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,268 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,545 |
| Largest Countries By Category | 0 | - | 4.97 | 158,940 |
| Countries by Countries | 0 | - | 4.96 | 63,697 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,315 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,421 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,639 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,685 |
