| Name the Pixelated Landmark | 0 | - | 4.84 | 62,843 |
| All Country Flags of the World | 0 | - | 5.00 | 3,644,491 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,408 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,856 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,230 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,314 |
| Flags with Crescents | 0 | - | 4.98 | 168,934 |
| Country Flag Trivia | 0 | - | 4.81 | 56,702 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,329 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,173 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,948 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,561 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,186 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,319 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,700 |
| 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 | 64,290 |
| Flags to Languages | 0 | - | 4.95 | 173,316 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,660 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,366 |
| 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 | 40,976 |
| Geography by Picture - T | 0 | - | 4.54 | 57,789 |
| Countries by Road Signs | 0 | - | 4.98 | 53,594 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,232 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,176 |
| Geography by Picture - A | 0 | - | 4.39 | 60,186 |
| Geography by Picture - D | 0 | - | 4.15 | 45,603 |
| Geography by Picture - F | 0 | - | 4.31 | 50,937 |
| Geography by Picture - G | 0 | - | 4.38 | 47,905 |
| Geography by Picture - J | 0 | - | 4.16 | 38,424 |
| Geography by Picture - K | 0 | - | 4.29 | 33,089 |
| Geography by Picture - C | 0 | - | 4.31 | 57,026 |
| Geography by Picture - L | 0 | - | 4.37 | 58,895 |
| Geography by Picture - M | 0 | - | 4.14 | 40,414 |
| Geography by Picture - P | 0 | - | 4.24 | 42,391 |
| Geography by Picture - S | 0 | - | 4.38 | 47,002 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,726 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,837 |
| Flag Maths | 0 | - | 4.64 | 57,738 |
| Satellite Images #1 | 0 | - | 4.46 | 129,267 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,222 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,842 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,838 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,920 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,800 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,275 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,946 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,051 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,840 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,402 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,788 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,206 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,672 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,215 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,525 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,983 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,973 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,205 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,481 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,993 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,001 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,923 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,605 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,700 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,268 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,259 |
| Pixelated World Map | 0 | - | 5.00 | 143,090 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,135 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,287 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,380 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,145 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,850 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,312 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,598 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,976 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,177 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,220 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,521 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,743 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,840 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,932 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,325 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,745 |
| Flags of North and South America | 0 | - | 4.99 | 371,570 |
| Emoji Flags | 0 | - | 4.35 | 43,992 |
| Former Flags | 0 | - | 4.97 | 107,415 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,352 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,768 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,841 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,260 |
| Geography by Picture - E | 0 | - | 3.55 | 47,345 |
| Landforms by Picture | 0 | - | 4.31 | 20,645 |
| Geography by Picture - I | 0 | - | 4.00 | 39,390 |
| Geography by Picture - O | 0 | - | 4.01 | 28,107 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,817 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,017 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,620 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,205 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,835 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,293 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,020 |
| Flags of Oceania | 0 | - | 5.00 | 257,894 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,833 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,807 |
| Select the World Flags | 0 | - | 4.27 | 37,649 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,755 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,605 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,969 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,451 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,877 |
| 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 | 95,861 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,087 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,297 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,222 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,807 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,515 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,989 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,223 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,289,999 |
| Landlocked Countries | 0 | - | 4.99 | 418,260 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 566,406 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,802 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,120 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,752,960 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,141 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,738 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,297 |
| Islands by Picture | 0 | - | 4.29 | 106,653 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,475 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,564 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,570 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,804 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,357 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,649 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,664 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,421 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,771 |
| Island Countries | 0 | - | 4.99 | 709,481 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,645 |
| Himalayan Countries | 0 | - | 4.94 | 137,125 |
| Andean Countries | 0 | - | 4.95 | 83,779 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,026 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,403 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,700 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,257 |
| Danube Countries | 0 | - | 4.97 | 71,585 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,451 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,987 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,524 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,580 |
| European Landlocked Countries | 0 | - | 4.99 | 146,698 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,025 |
| Countries with the Most Species | 0 | - | 4.99 | 102,819 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,165 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,401 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,262 |
| 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 | 117,588 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,069 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,253 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,370 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,914 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,022 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,398 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,193 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,132 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,929 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,494 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,443 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,302 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,876 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,139 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,161 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,041 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,013 |
| Similar Flags #1 | 0 | - | 4.74 | 129,713 |
| Similar Flags #2 | 0 | - | 4.74 | 137,024 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,537 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,429 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,000 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,073 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,946 |
| Largest Countries By Category | 0 | - | 4.97 | 157,539 |
| Countries by Countries | 0 | - | 4.96 | 62,779 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,123 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,140 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,204 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,457 |
| Merged Country Flags | 0 | - | 4.88 | 106,526 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,297 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.97 | 98,586 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,263 |
