| 156,062 | Country Names Created by Only 4 Letters | 2026-03-09 | |
| 123,127 | 5-Letter Word Chain Game #1 | 2017-04-24 | |
| 103,063 | 4-Letter Word Chain Game #1 | 2017-11-01 | |
| 94,890 | Chemical Elements with Short Names | 2019-12-19 | |
| 89,507 | 4-Letter Word Chain Game #2 | 2016-10-06 | |
| 68,776 | Analogies of Countries #1 | 2025-02-22 | |
| 57,292 | Capital Names Created by Only 4 Letters | 2022-12-26 | |
| 50,666 | ประเทศต่าง ๆ ในโลก | 2019-12-19 | – |
| 32,112 | Lightest Chemical Elements A-Z | 2014-05-29 | |
| 31,074 | Capitals of 2018 FIFA World Cup Teams | 2019-12-07 | |
| 23,899 | 20 Northernmost English Cities | 2017-02-21 | |
| 20,681 | Capitals of 2014 FIFA World Cup Teams | 2019-12-13 | 15 |
| 15,098 | Oxford Dictionaries Top 1000 English Words - 225 Are 4 Letters Long | 2015-11-04 | 11 |
| 11,650 | Oxford Dictionaries Top 1000 English Words - 180 (Or 181) Are 5 Letters Long | 2015-11-05 | 2 |
| 8,868 | Oxford Dictionaries Top 1000 English Words - 81 Start with A | 2014-10-05 | 11 |
| 8,682 | Oxford Dictionaries Top 1000 English Words - 115 Are 3 Letters Long Or Shorter | 2015-11-14 | 13 |
| 8,513 | Oxford Dictionaries Top 1000 English Words - 117 Start with S | 2014-10-04 | 4 |
| 6,938 | Oxford Dictionaries Top 1000 English Words - 80 Start with C | 2015-11-04 | 0 |
| 6,774 | Oxford Dictionaries Top 1000 English Words - 170 (Or 171) Are 6 Letters Long | 2015-11-06 | 1 |
| 6,437 | Oxford Dictionaries Top 1000 English Words - 62 Start with T | 2015-11-04 | 1 |
| 6,213 | Oxford Dictionaries Top 1000 English Words - 40 Start with B | 2014-10-04 | 1 |
| 6,168 | Oxford Dictionaries Top 1000 English Words - 55 Start with M | 2014-10-04 | 1 |
| 5,806 | Oxford Dictionaries Top 1000 English Words - 56 Start with F | 2014-10-04 | 0 |
| 5,632 | Oxford Dictionaries Top 1000 English Words - 81 Start with P | 2015-11-04 | 1 |
| 5,435 | Oxford Dictionaries Top 1000 English Words - 50 Start with D | 2015-11-04 | 1 |
| 5,362 | Oxford Dictionaries Top 1000 English Words - 38 Start with L | 2014-10-04 | 2 |
| 5,043 | Solve the Secret Country by 6 Clues in 45 Seconds #1 | 2015-10-18 | 6 |
| 4,946 | Countries of the World - By Official Names (Insanity Level: 9999) | 2019-12-26 | 106 |
| 4,830 | Oxford Dictionaries Top 1000 English Words - 33 Start with H | 2014-10-04 | 0 |
| 4,711 | Oxford Dictionaries Top 1000 English Words - 57 Start with R | 2015-11-04 | 0 |
| 4,573 | Oxford Dictionaries Top 1000 English Words - 48 Start with W | 2014-10-04 | 0 |
| 4,458 | 10 Largest Countries by Colours in Their Flags | 2015-09-09 | 35 |
| 4,440 | Countries of the World with Tricolour Flags - Only Flags will Appear | 2017-09-21 | 11 |
| 4,360 | Oxford Dictionaries Top 1000 English Words - 47 Start with E | 2014-10-04 | 1 |
| 4,229 | Destination Countries from London Heathrow Airport - with Map | 2018-01-27 | 5 |
| 4,207 | Oxford Dictionaries Top 1000 English Words - 20 Start with G | 2014-10-04 | 2 |
| 4,192 | Oxford Dictionaries Top 1000 English Words - 142 (Or 143) Are 7 Letters Long | 2015-11-07 | 1 |
| 4,190 | Oxford Dictionaries Top 1000 English Words - 24 Start with N | 2014-10-04 | 2 |
| 3,970 | Oxford Dictionaries Top 1000 English Words - 34 Start with O | 2015-11-04 | 0 |
| 3,901 | Elements of the Periodic Table in Alphabetical Order | 2016-11-30 | 3 |
| 3,872 | Oxford Dictionaries Top 1000 English Words - 33 Start with I | 2014-10-04 | 0 |
| 3,468 | Top 10 National Teams Playing Most Matches in FIFA World Cup | 2014-08-04 | 2 |
| 3,435 | Guess Countries by Only First Letters and Lengths | 2014-11-28 | 26 |
| 3,142 | Uses of Greek Letter in Science and Mathematics | 2013-05-28 | 3 |
| 3,083 | Lyrics of The NEW Periodic Table Song (AsapSCIENCE 2014 ver.) | 2018-04-28 | 0 |
| 3,025 | Solve the Secret Country by 6 Clues in 60 Seconds #2 | 2015-10-19 | 1 |
| 2,962 | Airports with Scheduled Flights Operated by Airbus A380 | 2017-02-14 | 2 |
| 2,956 | Oxford Dictionaries Top 1000 English Words - 44 Start with J, K, Q, U, V, or Y | 2014-10-04 | 4 |
| 2,834 | Travel Around the World (City Name Word Chain) | 2017-07-23 | 26 |
| 2,424 | Solve the Secret Country by 6 Clues in 60 Seconds #3 | 2015-10-20 | 0 |
| 2,403 | London Underground Station with "Park" | 2016-08-17 | 1 |
| 2,362 | Countries Not Sharing First Letter with Any Country | 2014-09-13 | 1 |
| 2,182 | Countries of the World - by Element Symbols | 2017-03-16 | 30 |
| 2,093 | 25 Most Common Japanese Surnames (Kanji as Hint) | 2014-12-26 | 0 |
| 2,066 | Solve the Secret Country by 6 Clues in 60 Seconds #4 | 2015-10-21 | 1 |
| 2,036 | Chemical Elements with Single-Letter Symbols | 2013-10-06 | 1 |
| 2,012 | Solve the Secret Country by 6 Clues in 60 Seconds #5 | 2015-10-22 | 0 |
| 1,993 | Aviation Decoder | 2015-11-02 | 2 |
| 1,930 | Capital Cities Sharing First 3 Letters | 2016-01-05 | 18 |
| 1,873 | London Underground Station with Short Names | 2018-06-19 | 0 |
| 1,871 | Countries with More Population than Tokyo | 2015-01-29 | 2 |
| 1,867 | All FIFA Members - FIFA Country Codes | 2019-12-19 | 2 |
| 1,804 | Random Geography Quiz - B _ _ _ _ _ _ | 2014-07-02 | 1 |
| 1,772 | Oxford Dictionaries Top 1000 English Words - 81 (Or 82) Are 8 Letters Long | 2015-11-08 | 0 |
| 1,723 | Countries Sharing First 3 Letters | 2016-03-01 | 3 |
| 1,617 | Countries with Top 200 Universities | 2015-01-09 | 0 |
| 1,582 | Random Geography Quiz - S _ _ _ _ _ _ | 2014-06-20 | 0 |
| 1,553 | Correct These Tube (London Underground) Lines Colour Match | 2017-02-21 | 0 |
| 1,546 | Guess English Anime Names from Romanised Japanese Names | 2014-10-10 | 0 |
| 1,528 | Guess Countries by Objects on Flags | 2015-12-14 | 1 |
| 1,491 | Longest and Shortest Non-Stop Routes Operated by Airbus A380 | 2014-06-09 | 2 |
| 1,408 | First and Last 25 Countries Alphabetically in English | 2015-09-19 | 1 |
| 1,318 | World's Top 100 Airports (2013) | 2014-08-12 | 0 |
| 1,229 | Commercial Airlines with Boeing 787 | 2016-04-30 | 0 |
| 1,212 | Country Demonyms Ended with "-ish" | 2014-07-16 | 1 |
| 1,166 | Sets of Countries Sharing More Than Three First Letters | 2014-09-14 | 2 |
| 1,153 | Languages Available in Google Translate | 2015-12-05 | 0 |
| 1,142 | Chemistry Decoder | 2015-11-01 | 3 |
| 1,098 | London Underground Station with Long Names | 2016-08-15 | 0 |
| 1,085 | 10 Most Common FIFA World Cup Match Results of All Time | 2014-07-14 | 1 |
| 1,028 | First and Last 25 Countries Alphabetically in Czech | 2016-03-04 | – |
| 967 | Random Geography Quiz - P _ _ _ _ _ _ | 2015-12-11 | 0 |
| 951 | UEFA Members - Only Flags will Appear | 2017-12-20 | 1 |
| 944 | Random Geography Quiz - C _ _ _ _ _ _ | 2015-12-07 | 0 |
| 941 | 25 Shortest Country Land Borders | 2017-01-20 | 5 |
| 858 | Top 3 Most Powerful Passports by Continent | 2014-08-23 | 0 |
| 848 | Oxford Dictionaries Top 1000 English Words - 40 Are 10 Letters Long Or Longer | 2015-11-10 | 0 |
| 819 | 10 Most-Instagrammed Cities of 2013 | 2014-05-14 | 0 |
| 792 | Random Geography Quiz - M _ _ _ _ _ _ | 2015-12-08 | 0 |
| 789 | London Underground Station with Colour Names | 2016-08-17 | 0 |
| 782 | Oxford Dictionaries Top 1000 English Words - 47 Are 9 Letters Long | 2015-11-09 | 0 |
| 755 | Country Names in Thai | 2013-08-19 | 0 |
| 740 | Thailand Trivia | 2013-06-10 | 1 |
| 720 | Cities Served by More Than One Airport | 2014-07-17 | 0 |
| 706 | Adjectival Forms of Countries Ending with "-ese" | 2018-08-11 | 1 |
| 690 | US States Sorted with Countries of the World | 2014-07-26 | 0 |
| 688 | Countries of the World Which You Can Get By Typing Less Than 6 Letters | 2015-11-18 | 0 |
| 687 | Capitals of UEFA Euro 2016 Teams | 2015-12-12 | 0 |
| 673 | 25 Countries with Most Scrabble Points per Letter | 2014-08-25 | 0 |
| 649 | All Host Countries of FIFA World Cup (All Genders, All Age Cohorts) | 2018-06-15 | 0 |
| 649 | First and Last 25 Countries Alphabetically in Norwegian | 2016-03-04 | – |
| 648 | UK Postcode Area with Single Letter | 2017-02-07 | 0 |
| 641 | 20 Southernmost British Cities | 2017-02-11 | 1 |
| 635 | First and Last 25 Countries Alphabetically in Finnish | 2016-03-04 | 0 |
| 632 | Top 4 Most Goals World Cup Team (All Time) | 2014-07-14 | 0 |
| 630 | First Airlines in Service With Boeing 747's | 2014-08-15 | 0 |
| 616 | Official Languages of ASEAN Countries | 2014-10-14 | 0 |
| 609 | Countries Bordering BRICS Countries | 2015-10-12 | 3 |
| 590 | Countries With No Official Flag Carrier Airlines | 2014-08-13 | 0 |
| 587 | Word Chain London Underground Trip | 2018-05-01 | 0 |
| 583 | 5 Most Populated Cities in the United States by Letter It Contains | 2016-04-18 | 2 |
| 579 | Country with Exactly Same Length and First Letter as the Given One | 2014-11-28 | 0 |
| 556 | 10 Most Populated Countries by Colours in Their Flags | 2015-07-27 | 4 |
| 543 | Countries Show Up in Both FIFA Men's World Cup and FIFA Women's World Cup | 2014-12-04 | 0 |
| 513 | Capitals by Length, Location, and Initial Letters #1 | 2014-07-29 | 0 |
| 498 | Five Most Populous Countries by Two of Colours in Flag | 2016-09-05 | 1 |
| 490 | Chemical Elements with 6-Letter Names | 2014-07-29 | 0 |
| 488 | Random Geography Quiz - A _ _ _ _ _ _ | 2015-12-09 | 0 |
| 476 | CONCACAF Members - Only Flags will Appear | 2016-12-23 | 0 |
| 473 | Guess 50 Anime by First Episode Names | 2015-05-24 | 0 |
| 472 | Guess 6 Countries and 6 Capitals from 6 Continents - Crossword Game #2 | 2016-04-09 | 0 |
| 471 | All Matches Between European Teams in 2014 FIFA World Cup | 2014-08-07 | 0 |
| 466 | Countries Sharing More than 3 First Letters | 2015-08-18 | 1 |
| 464 | Chemical Elements with Double Letters | 2017-03-11 | 0 |
| 458 | All Perfect Powers Between 0 and 1000 | 2014-08-04 | 0 |
| 456 | Capitals by Length, Location, and Initial Letters #2 | 2014-07-29 | 0 |
| 438 | Lyrics of The Periodic Table Song (AsapSCIENCE 2018 updated ver.) | 2018-04-28 | 3 |
| 432 | On the Route to Glory - 2014 FIFA World Cup - Germany | 2018-07-16 | 0 |
| 429 | Chemical Elements Without Letter 'I' in Their Names | 2017-03-11 | 0 |
| 416 | London Underground Station with Cardinal Directions | 2016-10-30 | 0 |
| 411 | First and Last 25 Countries Alphabetically in Swedish | 2016-03-04 | 0 |
| 411 | On the Route to Glory - UEFA Euro 2016 - Portugal | 2018-07-16 | 0 |
| 407 | FIFA Country Codes of World Cup 2014 Teams | 2014-07-07 | 0 |
| 404 | Hosts of International Mathematics Olympiad | 2014-06-24 | 7 |
| 402 | Which Country Are These Planes From? | 2018-05-27 | 0 |
| 401 | British Coins | 2014-08-15 | 1 |
| 400 | CONMEBOL Members - Only Flags will Appear | 2016-12-24 | 0 |
| 399 | Counties of England without "-shire" | 2018-02-24 | 0 |
| 389 | Country Names Made of Chemical Element Symbols | 2016-02-07 | 0 |
| 383 | World Capitals Which You Can Get By Typing Less Than 6 Letters | 2015-11-23 | 1 |
| 380 | Random Geography Quiz - G _ _ _ _ _ _ | 2016-01-29 | 0 |
| 379 | 20 Countries With the Most Aviation Fatalities (2000 - Present) | 2014-05-24 | 0 |
| 378 | AFC Members - Only Flags will Appear | 2016-12-16 | 0 |
| 368 | Japanese Prefectures by Starting Hiragana | 2015-02-16 | – |
| 364 | List of Provinces in Thailand | 2013-06-11 | 0 |
| 361 | US States with Space in Their Names | 2014-08-04 | 0 |
| 356 | Random Geography Quiz - T _ _ _ _ _ _ | 2015-12-08 | 0 |
| 356 | Ten Capital Cities Longitudinally and Latitudinally Closest to Me, and Guess Where I Live Now | 2016-11-17 | 0 |
| 343 | World's Top 100 Airports (2016) | 2016-09-05 | 0 |
| 335 | Country Demonyms Ended with "-ean" | 2014-07-17 | 2 |
| 331 | Countries with English Premier League Managers (1992-2016) | 2016-06-01 | 0 |
| 328 | 20 Northernmost British Cities | 2017-02-12 | 0 |
| 324 | States of USA from Japanese to English | 2015-08-22 | 1 |
| 320 | Anime Title Antonyms | 2017-06-25 | 0 |
| 318 | Guess 6 Countries and 6 Capitals from 6 Continents - Crossword Game #3 | 2016-06-10 | 0 |
| 316 | Capitals of 2010 FIFA World Cup Teams | 2017-04-21 | 2 |
| 315 | World's Top 100 Airports (2015) | 2015-04-24 | 0 |
| 306 | Home Countries of UEFA Europa League 2016-17 Teams | 2016-09-18 | 0 |
| 303 | Counties of England with "-shire" | 2018-02-24 | 0 |
| 299 | Countries Sharing 2 First and 2 Last Letters | 2014-10-30 | 0 |
| 299 | Anime and Manga Decoder | 2015-11-08 | 0 |
| 298 | 20 Westernmost English Cities | 2017-02-15 | 0 |
| 294 | 2018 FIFA World Cup Qualification (UEFA): Neighbour Battles | 2018-06-08 | 0 |
| 293 | CAF Members - Only Flags will Appear | 2016-12-22 | 0 |
| 293 | Crayon Shin-chan Quiz | 2014-03-04 | 0 |
| 292 | Border Crossing (Periodic Table Version) | 2013-09-22 | 0 |
| 288 | Travel Around the World (Word Chain) #4 | 2016-04-24 | 0 |
| 287 | Languages Being Sung in 2017 Eurovision Song Contest | 2017-05-20 | 0 |
| 285 | First Airlines in Service With Boeing 777's | 2014-08-15 | 0 |
| 281 | 20 Westernmost British Cities | 2017-02-13 | 0 |
| 280 | ICAO Codes of Flag Carrier Airlines | 2013-07-23 | 0 |
| 279 | Travel Around the World (Word Chain) #2 | 2016-04-11 | 0 |
| 277 | Name All 32 Cities of Thailand | 2015-11-03 | 0 |
| 263 | Countries and Capitals Starting with B in Alphabetical Order | 2014-08-30 | 0 |
| 263 | 20 Most Famous Countries in Japanese | 2015-01-08 | 0 |
| 259 | Chemical Elements Whose Their Symbols Come From Letters in the Word "PERIODIC TABLE" | 2014-09-04 | 0 |
| 244 | Five Closest Countries to 2018 FIFA World Cup by Confederation | 2017-11-23 | 0 |
| 243 | Premier League Teams Relegated Right After Promotion | 2017-05-21 | 0 |
| 243 | Try-to-Type Quiz #6: Continents and Oceans | 2015-02-26 | 0 |
| 243 | Countries and Capitals Starting with A in Alphabetical Order | 2014-08-29 | 1 |
| 241 | National Teams Entered FIFA World Cup But Never Faced Brazil | 2015-08-06 | 0 |
| 236 | OFC Members - Only Flags will Appear | 2016-12-26 | 0 |
| 234 | Figure the Secret US State Out by 5 Clues in 60 Seconds #2 | 2015-10-25 | 0 |
| 231 | Home Countries of UEFA Champions League 2016-17 Teams | 2016-09-24 | 0 |
| 228 | Ten Capital Cities Longitudinally and Latitudinally Closest to Mysterious City, and Guess That City #1 | 2016-11-20 | 0 |
| 224 | Cities in England with Names Ending with -ster | 2017-01-14 | 0 |
| 221 | Home Countries of UEFA Champions League 2017-18 Teams | 2017-11-24 | 0 |
| 220 | Guess Countries by Objects on Flags #2 | 2015-12-15 | 0 |
| 213 | European Capital Cities from Japanese to English | 2015-08-31 | 0 |
| 194 | Capitals of 2006 FIFA World Cup Teams | 2017-04-21 | 0 |
| 193 | Latest Countries to Be Eliminated before 2018 FIFA World Cup by Confederation | 2017-12-17 | 0 |
| 186 | Premier League Teams Promoted Right After Relegation | 2017-05-24 | 0 |
| 174 | Countries with Top 200 Universities (2018) | 2017-09-10 | 0 |
| 173 | Final Four FIFA World Cup Teams Not Joining the Following Edition | 2017-11-30 | 0 |
