| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,254 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,198 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,835 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,202 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,274 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,466 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 235,998 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,122 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,369 |
| Subdivisions by Country | 0 | - | 4.86 | 50,032 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,556 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 169,070 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,121 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,415 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,806 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,806 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,051 |
| Countries with Four Letters | 0 | - | 4.99 | 418,006 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 235,649 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,612 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,012 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,119 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,258 |
| Country Chain | 0 | - | 4.96 | 215,544 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,514 |
| Islands by Country #1 | 0 | - | 4.87 | 174,388 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,465 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,521 |
| Name a Valid Country #1 | 0 | - | 4.99 | 282,823 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,061 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,217 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,539 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,165 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,222 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,492 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,005 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,450 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 59,920 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,053 |
| Five Letter Geography #3 | 0 | - | 4.61 | 130,694 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,267 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,374 |
| Six Letter Geography #3 | 0 | - | 4.53 | 81,394 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 71,909 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 37,608 |
| Geography Decoder | 0 | - | 4.53 | 75,302 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,429 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,345 |
| Letter A Geography Chain | 0 | - | 4.53 | 67,288 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,087 |
| Five Letter Geography #4 | 0 | - | 4.78 | 84,534 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,420 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,139 |
| The Only Country ... | 0 | - | 4.91 | 79,700 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,306 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,360 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,235 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,512 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,059 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,248 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,861 |
| European Countries with One Border | 0 | - | 4.97 | 181,443 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,960 |
| Random Countries by Borders | 0 | - | 4.99 | 81,572 |
| Random Name a Valid Country | 0 | - | 4.99 | 202,971 |
| States of India | 0 | - | 4.94 | 189,656 |
| Japanese Prefectures | 0 | - | 4.98 | 134,253 |
| Regions of New Zealand | 0 | - | 4.85 | 28,097 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,050 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,555 |
| Provinces of Turkey | 0 | - | 4.95 | 199,892 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,874 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,778 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,217 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,180 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,166 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,434 |
| Countries That Border Russia | 0 | - | 4.98 | 458,505 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,831 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,123 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,415 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,966 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,329 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,520 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 377,923 |
| Countries Bordering France | 0 | - | 4.85 | 395,697 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,638 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,046 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,355 |
| States of Mexico | 0 | - | 4.95 | 173,001 |
| States of Brazil | 0 | - | 4.98 | 86,178 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,758 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,144 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,935 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,346 |
| Cities Chain #2 | 0 | - | 4.42 | 56,146 |
| Cities Chain #1 | 0 | - | 4.61 | 66,309 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,069 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,847,799 |
| Landlocked Countries | 0 | - | 4.99 | 412,841 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,243 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,808 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,504 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 261,319 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 131,816 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 185,364 |
| Geography General Knowledge #6 | 0 | - | 4.53 | 150,904 |
| Geography General Knowledge #7 | 0 | - | 4.43 | 158,149 |
| Geography General Knowledge #8 | 0 | - | 4.45 | 149,322 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 155,853 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 109,479 |
| Geography General Knowledge #12 | 0 | - | 4.80 | 123,646 |
| Geographic Groups of Four #1 | 0 | - | 4.70 | 175,425 |
| Geographic Groups of Five #1 | 0 | - | 4.48 | 120,110 |
| Geographic Groups of Seven #1 | 0 | - | 4.63 | 140,535 |
| Geographic Groups of Two #2 | 0 | - | 4.67 | 114,507 |
| Geographic Groups of Six #2 | 0 | - | 4.53 | 52,866 |
| Geographic Groups of Two #3 | 0 | - | 4.46 | 83,478 |
| Geographic Groups of Four #2 | 0 | - | 4.75 | 80,085 |
| Geographic Groups of Five #2 | 0 | - | 4.73 | 63,372 |
| Geographic Groups of Three #2 | 0 | - | 4.55 | 69,267 |
| Geographic Groups of Two #4 | 0 | - | 4.44 | 77,806 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 272,949 |
| Four Letter Geography #2 | 0 | - | 4.39 | 63,710 |
| Three Letter Geography | 0 | - | 4.29 | 74,473 |
| Five Letter Geography #2 | 0 | - | 4.28 | 88,331 |
| Geography Analogies #5 | 0 | - | 4.22 | 54,988 |
| Seven Continents Quiz | 0 | - | 4.21 | 105,418 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,210 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,720 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,378 |
| Countries Bordering India | 0 | - | 4.98 | 162,532 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,597 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,636 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,869 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,495 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,410 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,714 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,181 |
| Countries that Border China | 0 | - | 4.96 | 261,661 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,771 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,475 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,008 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,125 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,639 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,278 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,325 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,352 |
| Countries that Border Poland | 0 | - | 4.99 | 171,185 |
| Merged Countries #2 | 0 | - | 4.96 | 98,381 |
| Merged Countries #6 | 0 | - | 4.91 | 72,635 |
| Merged Countries #7 | 0 | - | 4.93 | 81,879 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,102 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,895 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,455 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,835 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,972 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,778 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,813 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,963 |
| Island Countries | 0 | - | 4.99 | 707,213 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,218 |
| Himalayan Countries | 0 | - | 4.95 | 135,041 |
| Andean Countries | 0 | - | 4.94 | 82,654 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,077 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,974 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,749 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,454 |
| Danube Countries | 0 | - | 4.97 | 70,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,633 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,278 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,188 |
| European Landlocked Countries | 0 | - | 4.99 | 145,662 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,041 |
| Countries with the Most Species | 0 | - | 4.99 | 95,181 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,186 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,172 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,331 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,906 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,506 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,862 |
| Countries in the Alps | 0 | - | 4.87 | 116,678 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,461 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,059 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,317 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,061 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,933 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,463 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,682 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,212 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,964 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,994 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,357 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,137 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,667 |
