=== 2019: ''I Made'', "Uh-Oh",
=== 2020: ''I Trust'', Konser online I-Land: Who Am I, "I'm The Trend", ''Dumdi Dumdi'' dan ''Oh My God'' ===
[[File:20200421 (여자)아이들 (G)I-DLE SBS Radio 에라오 01.png|thumbnail|left| (G) I-dle di [[SBS Power FM]] untuk promosi "[[Oh My God (lagu (G) I-dle)|Oh My God]]" pada tanggal 21 April 2020.]]
Pada 28 Januari 2020, grup ini mengumumkan tur dunia pertama mereka, berjudul "I-Land: Who Am I", yang akan menjangkau 32 kota berbeda di seluruh dunia.<ref>{{cite web|script-title=ko:(여자)아이들, 글로벌 팬 만난다…세계 32개 도시서 첫 월드투어|trans-title=(G)I-DLE meet global fan… First World Tour in 32 Cities of the World|url=https://www.edaily.co.kr/news/read?newsId=01115206625642640&mediaCodeNo=258|website=EDaily|date=29 Januari 2020}}</ref> Kemudian, diumumkan pertunjukan mereka yang dimulai di Bangkok dan proyek rilis album baru pada pertengahan Maret ditunda sebagai tanggapan terhadap [[Pandemi koronavirus 2019-2020|coronavirus]] dan untuk memastikan keselamatan dan kesehatan artis, penggemar, dan staf.<ref>{{cite web|url=http://mksports.co.kr/view/2020/153119/|script-title=ko:(여자)아이들, 첫 월드투어 방콕 공연 일정 연기…“코로나19 확산 우려”|trans-title=(G)I-dle postponed their first World Tour Bangkok show… "Concern Spreading Corona 19"|work=MK Sports|author=Kim Na-young|date=14 Februari 2020}}</ref><ref>{{cite web|url=http://www.sportsseoul.com/news/read/888880|script-title=ko:(여자)아이들, 월드투어·3월 새 앨범 발매 프로젝트 잠정 연기[공식]|trans-title=(G)I-dle World Tour, March New album release project tentatively postponed [Official]|work=Spots Seoul|author=Choi Jin-sil|date=28 Februari 2020|access-date=19 Maret 2020}}</ref>
Pada 26 Maret 2020, (G) I-DLE diumumkan sebagai bagian dari jajaran tahun 2020 [[Twitch.tv|Twitch]] Stream Aid, dijadwalkan pada 28 Maret. Livestream adalah konser amal selama 12 jam yang bertujuan mengumpulkan uang untuk pengobatan COVID-19. Mereka adalah grup K-pop wanita pertama yang berpartisipasi.<ref>{{cite web|url=https://blog.twitch.tv/en/2020/03/26/twitch-stream-aid-go-live-to-save-lives-on-328/|title=Twitch Stream Aid: Go live to save lives on 3/28|publisher=[[Twitch (service)|Twitch]]|date=26 Maret 2020}}</ref><ref>{{cite web|url=https://www.sbs.com.au/popasia/blog/2020/03/27/you-can-watch-monsta-x-and-gi-dle-twitch-stream-aid-weekend|title=You can watch MONSTA X and (G)I-DLE in Twitch Stream Aid this weekend|publisher=SBS PopAsia|date=27 Maret 2020}}</ref>
Pada 6 April 2020, grup ini merilis album mini ketiga mereka yang berjudul ''[[I Trust]]'' dengan "[[Oh My God ((G)I-dle song)|Oh My God]]" sebagai lead single.<ref>{{cite web|url=http://sports.khan.co.kr/entertainment/sk_index.html?art_id=202003240739003&sec_id=540101&pt=nv|script-title=ko:[공식] (여자)아이들, 세 번째 미니앨범 ‘I trust’로 9개월 만에 컴백…4월 6일 발매 확정|trans-title=[Official] (G)I-DLE comeback in 9 months with third mini album 'I trust'… April 6 release confirmed|work=KyungHyang Newspaper|author=Yoo In-sun|date=24 Maret 2020}}</ref><ref>{{cite web|url=http://www.nbnnews.co.kr/news/articleView.html?idxno=382217|script-title=ko:(여자)아이들, 전소연 자작곡 'Oh my god'으로 컴백|trans-title=[Official] (G)I-DLE comeback with Jeon So-yeon's own song "Oh my god"|work=NBN News|author=Hong Seung-hoon|date=31 Maret 2020}}</ref> Album ini terdiri dari lima lagu termasuk versi bahasa Inggris dari lagu judul.<ref>{{cite web|url=http://www.theceluv.com/article.php?aid=1586162596316145007|script-title=ko:(여자)아이들, '당당함'으로 9개월 만에 컴백…"두 가지 버전 무대 기대"[종합]|work=The Celebrity News|author=Kim He-seo|date=6 April 2020}}</ref> Sehubungan dengan perilisan '' I Trust '', (G)I-DLE telah menandatangani kontrak dengan [[Republic Records]] untuk membantu menyoroti dan mendorong individualitas mereka ke pasar AS.<ref name="republic">{{cite web|title=(G)I-DLE Detail How Their Group ‘Contrast’ Is Shown With New ‘I Trust’ EP|url=https://www.forbes.com/sites/jeffbenjamin/2020/04/08/g-i-dle-interview-i-trust-oh-my-god/#13b234677a03|work=[[Forbes]]|author=Jeff Benjamin|date=April 8, 2020|language=en}}</ref> Album ini memiliki lebih dari 91.311 pre-order, menjadikannya album mini yang paling banyak dipesan, dan menjadi album terlaris mereka sebanyak 100.000 kopi fisik dalam tiga hari.<ref>{{cite web|url=http://hanteonews.com/ko/article/all?fc=5343|script-title=ko:[일간랭킹: 4월 7일] (여자)아이들((G) I-DLE)의 'I TRUST: 미니앨범 3집 TRUE VER.' 1위|work=Hanteo|date=7 April 2020}}</ref><ref>{{cite web|url=http://star.hankookilbo.com/News/Read/202004081732750778?did=NA&dtype=&dtypecode=&prnewsid=|script-title=ko:(여자)아이들, 컴백 사흘 만 음반 판매량 10만 장 돌파…자체 최고|trans-title=100,000 albums sold over three days. Self best|publisher=Lee Ho-yeon|language=ko|date=8 April 2020|access-date=2020-04-22|archive-date=2020-06-22|archive-url=https://web.archive.org/web/20200622080034/http://star.hankookilbo.com/News/Read/202004081732750778?did=NA&dtype=&dtypecode=&prnewsid=|url-status=dead}}</ref> ''I Trust'' memulai debutnya di posisi pertama [[Gaon Album Chart]] menjadi album nomor satu pertama (G)I-DLE di Korea Selatan dan mencapai posisi tertinggi mereka di chart Album Dunia Billboard di No. 4.<ref>{{cite web |url=http://sports.chosun.com/news/ntype.htm?id=202004170100127900007905&servicedate=20200416|script-title=ko:[SC초점] "美 빌보드 5개차트 강타"…(여자)아이들, 어떻게 K-POP 대표 걸그룹이 됐나|trans-title=[Focus on SC] "Swiping 5 Billboards in the US"… (G)I-dle, how did you become a representative girl group of K-POP|publisher=Sports Chosun|first=Baek|last=Ji-eun|date=16 April 2020}}</ref> Video musik untuk "Oh My God" memecahkan rekor pribadi mereka dengan mengumpulkan 17 juta views di hari pertama perilisannya.<ref>{{cite web |url=https://news.g-enews.com/ko-kr/news/article/news_all/202004081105565115c4c55f9b3d_1/article.html?md=20200408112310_R#linkpop|script-title=ko:[글로벌-엔터 24] (여자)아이들, '아이 트러스트(I trust)' 아이튠즈 톱앨범 35개 지역 1위|trans-title=[Global-Enter 24] (G)I-dle Ranked #1 in iTunes' Top 35 Albums of 'I Trust'|publisher=Global Economic|author=Kim Seong|date=7 April 2020}}</ref> Lagu ini juga menandai pertama kalinya grup ini muncul di [[Official Charts Company|Scottish Singles Chart]] dan menempati nomor 97, menjadikan mereka sebagai artis K-pop ketiga dan artis wanita K-pop kedua yang muncul di chart tersebut.<ref>{{cite web|url=https://www.officialcharts.com/charts/scottish-singles-chart/20200410/42/|title=Official Scottish Singles Sales Chart Top 100 – 10 April 2020 - 16 April 2020|publisher=[[Official Charts Company]]|date=16 April 2020}}</ref> Pada 17 April 2020, mereka memenangkan siaran publik pertama mereka pada [[Korean Broadcasting System|KBS]] ''[[Music Bank]]'', [[Seoul Broadcasting System|SBS]] ''[[Inkigayo]]'' dan [[MBC TV|MBC]] ''[[Show! Music Core]]''. .<ref>{{cite web|url=http://tvdaily.asiae.co.kr/read.php3?aid=15871161541536716010|script-title=ko:'뮤직뱅크' (여자)아이들, 위너 꺾고 1위 "아무 조건 없이 사랑해 주셔서 감사"|publisher=TvDaily|first=Lee|last=Jong-eun|date=17 April 2020|access-date=2020-04-22|archive-date=2020-06-20|archive-url=https://web.archive.org/web/20200620161926/http://tvdaily.asiae.co.kr/read.php3?aid=15871161541536716010|dead-url=yes}}</ref> Pada tanggal 6 Mei, (G) I-dle masuk ke [[Rolling Stone charts#Rolling Stone Breakthrough 25|Top 25 Breakthrough chart Rolling Stone]] sebagai satu-satunya grup K-Pop yang memetakan untuk bulan April di posisi 20 teratas dengan pertumbuhan unit 3,3 juta dan total lebih dari 5,5 juta streaming audio sesuai permintaan di AS.<ref>{{cite web|url=https://twitter.com/RS_Charts/status/1258111129349480448|title=K-pop group @G_I_DLE is Number 20 on our Breakthrough 25 chart|date=May 6, 2020|publisher=Rolling Stone Charts|via=[[Twitter]]}}</ref><ref>{{cite web|url=https://www.rollingstone.com/charts/breakthrough/|title=Rolling Stone's Breakthrough 25 - the fastest-rising artists of the month -|publisher=[[Rolling Stone]]|work=[[Rolling Stone charts]]|date=April 1–30, 2020}}</ref>
Pada bulan Mei, (G) I-dle merilis versi bahasa Inggris resmi dari lagu debut mereka "Latata" pada tanggal 15 Mei.<ref>{{cite web|title=(G)I-DLE Take Next International Step With English 'Latata' Single|url=https://www.forbes.com/sites/jeffbenjamin/2020/05/14/g-i-dle-latata-english-version-single-listen-review-international-advancement/#446d4fed5d78|author=Jeff Benjamin|work=[[Forbes]]|date=May 15, 2020}}</ref> Pada 31 Mei, grup tersebut mengumumkan bahwa mereka akan bergabung dengan lineup 32 artis di '' KCON: TACT 2020 Summer '' pada 23 Juni.<ref>{{cite web|title=KCON:TACT 2020 Summer Lineup Completes With TXT, (G)I-DLE, ATEEZ, Chung Ha, SF9 & More|url=https://www.forbes.com/sites/jeffbenjamin/2020/05/31/kcontact-2020-summer-lineup-full-completes-with-txt-chungha-ateez-gidle-sf9/#4090bdfd44e7|author=Jeff Benjamin|work=[[Forbes]]|date=May 31, 2020}}</ref> Grup ini diharapkan merilis dua album pada paruh kedua tahun ini, termasuk single digital menurut peneliti EBest Investment & Securities Co., Ltd.<ref>{{cite web|url=https://www.edaily.co.kr/news/read?newsId=01495686625804672&mediaCodeNo=257&OutLnkChk=Y|script-title=ko:큐브엔터, 비상한 (여자)아이들…7~8월 단기모멘텀 기대|trans-title=Cube Entertainment, soaring (G)I-DLE...a short-term momentum expected from July to August|work=EDaily|author=Kim Jae-eun|date=June 23, 2020}}</ref> (G) I-dle mengadakan konser online langsung 2020 (G) I-dle Konser Online ''[[I-Land: Who Am I]]'' yang dijadwalkan pada 5 Juli setelah pembatalan tur dunia pertama mereka.<ref>{{cite web|title=(G)I-DLE Announces The Date Of 2020 Online Concert 'I-Land: Who Am I'|url=https://thewomenjournal.com/2020/06/gi-dle-announces-the-date-of-2020-online-concert-i-land-who-am-i/|author=Rimsha Khan|publisher=The Women Journal|date=June 5, 2020|access-date=June 5, 2020|archive-date=June 5, 2020|archive-url=https://web.archive.org/web/20200605174931/https://thewomenjournal.com/2020/06/gi-dle-announces-the-date-of-2020-online-concert-i-land-who-am-i/|url-status=dead}}</ref> Mereka membawakan lagu dari album debut mereka serta lagu ciptaan Minnie dan Yuqi "[[I'm the Trend]]",<ref>{{cite web|url=http://news.heraldcorp.com/view.php?ud=20200626000035|script-title=ko:(여자)아이들, 다음 달 5일 랜선 공연…민니X우기 자작곡 최초 공개|trans-title=(G)I-DLE, LAN concert on the 5th of next month… Minnie X Yuqi's first song released|work=[[Herald Corporation]]|author=Go Seung-hee|date=June 26, 2020}}</ref> dengan 11.000 penonton real-time berbayar.<ref>{{cite web|url=http://news.heraldcorp.com/view.php?ud=20200706000021|title=(여자)아이들, 첫 단독 콘서트 1만 1000명 접속 …"꿈이었던 첫 무대"|trans-title=(G)I-DLE, 11,000 solo concerts first… "The first stage that was a dream"|work=HeraldPop|author=Go Sung-hee|date=July 6, 2020}}</ref> Selanjutnya, grup tersebut merilis single digital, bersama dengan video musiknya pada 7 Juli sebagai hadiah spesial untuk para penggemar mereka.<ref>{{cite web|url=http://enews24.tving.com/news/article?nsID=1346278|script-title=ko:(여자)아이들, 자작곡으로 당찬 컴백 '여름 가요戰 합류'|work=eNews24|author=Kim Ji-yeon|date=July 7, 2020|access-date=2021-01-28|archive-date=2020-07-07|archive-url=https://web.archive.org/web/20200707204715/http://enews24.tving.com/news/article?nsID=1346278|dead-url=yes}}</ref>
Pada 3 Agustus, (G) I-dle merilis album single pertamanya '' [[Dumdi Dumdi]]'', dengan singel utama [[Dumdi Dumdi (lagu)|dengan nama yang sama]].<ref>{{cite web|url=https://www.newsen.com/news_view.php?uid=202008031411512410|script-title=ko:(여자)아이들, 오늘(3일) ‘덤디덤디’ 발매…썸머퀸 노린다|trans-title=(G)I-DLE releasing 'DUMDi DUMDi' Today (3rd)...After the Summer Queen Title|work=Newsen|author=Lee Min-ji|date=August 3, 2020}}</ref> Dengan rilis ini, ''Dumdi Dumdi'' menduduki peringkat kedua album girl grup terlaris dalam sejarah dengan 94.587 penjualan awal.<ref>{{cite web|url=https://www.hankyung.com/entertainment/article/202008113993I|script-title=ko:(여자)아이들, 싱글 '덤디덤디' 초동 9만 4천 장 돌파…역대 걸그룹 싱글 2위|work=[[Korea Economic Daily]]|author=Lee Joon-Hyun|date=August 11, 2020}}</ref> Namun, lagu itu naik lambat di tangga lagu Gaon dan Billboard.<ref>{{cite web|url=https://sports.chosun.com/news/ntype.htm?id=202008120100095230006180&servicedate=20200811|script-title=ko:[SC초점] "역대 걸그룹 초동 2위"…(여자)아이들, '글로벌 서머퀸' 우뚝|work=Sports Chosun|author=Baek Ji-eun|date=August 11, 2020}}</ref><ref name="reverse chart">{{cite web|url=http://pop.heraldcorp.com/view.php?ud=202008191409024383022_1|script-title=ko:(여자)아이들, '덤디덤디' 차트 역주행..폭염과 함께 온 뜨거운 인기|trans-title=(G)I-dle 'Dumdi Dumdi' chart reversing... hot popularity with the heat wave|work=HeraldPop|author=Chun Yoon-hye|date=August 19, 2020}}</ref> Lagu ini debut di nomor 27 dan 15 di Tangga Lagu Digital ''Gaon'' dan tangga lagu Penjualan Lagu Digital Dunia ''Billboard'' AS,<ref>{{cite web|url=https://www.billboard.com/charts/world-digital-song-sales/2020-08-15|title=World Digital Song Sales: August 15, 2020|work=[[Billboard (magazine)|Billboard]]|date=August 15, 2020|url-access=subscription}}</ref> dan kemudian memuncak di nomor 8 dan 13, masing-masing.<ref>{{cite web|url=http://www.gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=35&hitYear=2020&termGbn=week|title=Digital Chart – Week 35 of 2020|website=Gaon Chart|language=ko|access-date=2020-09-03|date=August 23–29, 2020}}</ref><ref>{{cite web|url=https://www.billboard.com/charts/world-digital-song-sales/2020-08-22|title=World Digital Song Sales: August 22, 2020|work=[[Billboard (magazine)|Billboard]]|date=August 22, 2020|url-access=subscription}}</ref> Di [[iTunes]], lagu tersebut menjadi lagu nomor satu mereka di 42 wilayah di seluruh dunia.<ref name="reverse chart"/> Video musik untuk "Dumdi Dumdi" mengumpulkan lebih dari 17,6 juta penayangan dalam satu hari, memecahkan rekor mereka sebelumnya dengan "Oh My God".<ref>{{cite web|url=http://pop.heraldcorp.com/view.php?ud=202008041123516721892_1|script-title=ko:(여자)아이들, '덤디덤디' MV 공개 10시간 만 유튜브 천만 뷰 돌파..자체 최고|trans-title="(G)I-DLE 'DUMDi DUMDi', MV released 10 hours, YouTube topped 10 million views..|author=Kim Ji-hye|work=[[Herald Corporation|Herald Pop]]|date=August 4, 2020}}</ref>
Grup ini mengakhiri promosi dengan memenangkan tempat pertama selama dua minggu berturut-turut di ''Show Champion'', ''M Countdown'' dan ''Inkigayo'', menjadi judul lagu grup yang paling banyak menang.<ref>{{cite web|url=http://www.breaknews.com/750782|script-title=ko:(여자)아이들, 음방 6관왕 달성..‘덤디덤디(DUMDi DUMDi)’ 활동 마무리|trans-title="(G)I-dle, achieved 6 music wins...'DUMDi DUMDi' activity ends|author=Park Dong-je |work=BreakNews|date=August 24, 2020}}</ref> Pada tanggal 26 Agustus, mereka membuat comeback Jepang pertama mereka dengan perilisan drama kedua mereka, ''[[Oh My God (album mini)|Oh My God]]'',<ref>{{cite web|url=https://spice.eplus.jp/articles/271706|script-title=ja:(G)I-DLE、日本2ndミニアルバム『Oh my god』8月26日発売決定|trans-title=(G)I-DLE, Japan's 2nd mini album "Oh my god" will be released on August 26th|work=SPICE|date=June 29, 2020}}</ref> bersama dengan versi Jepang dari "Oh My God", "Uh-Oh", "Senorita", "Dumdi Dumdi" dan lagu Jepang asli berjudul "Tung Tung (Empty)", yang diciptakan oleh Minnie.<ref name="i-d"/><ref>{{cite web|url=https://news.yahoo.co.jp/articles/0f1254df2645e6a680b9d5c075af06bb9c9d2f4a|script-title=ja:(G)I-DLE…,『Oh my god』ジャケットは“表と裏の2面性”がコンセプト|work=BARKS|publisher=Yahoo! Japan|date=July 10, 2020|access-date=August 3, 2020|archive-date=July 11, 2020|archive-url=https://web.archive.org/web/20200711132155/https://news.yahoo.co.jp/articles/0f1254df2645e6a680b9d5c075af06bb9c9d2f4a|url-status=dead}}</ref> Pada 27 Agustus, (G) I-dle mengulangi peran mereka sebagai Akali dan Ahri di K/DA untuk lagu "[[The Baddest (lagu K/DA)|The Baddest]]" yang menampilkan penyanyi Amerika [[Bea Mille]] dan Wolftyla
.<ref>{{cite news|title=MLeague of Legends' pop group K/DA does it again with new single, 'The Baddest|url=https://www.polygon.com/2020/8/27/21395880/league-of-legends-k-da-the-baddest|first=Julia|last=Lee|work=Polygon|date=Aug 27, 2020|access-date=Oct 29, 2020}}</ref> Juga diumumkan bahwa mereka tampil di lagu utama "[[More (lagu K/DA)|More]]" dengan lineup asli Beer and Burns bersama dengan penyanyi China [[Lexie Liu]], yang dirilis pada 28 Oktober.<ref>{{cite news|title=Virtual Group K/DA Roar Back With Futuristic Animated Video For 'More": Watch|url=https://www.billboard.com/articles/columns/pop/9474359/kda-more-video/|first=Glenn|last=Rowley|work=Billboard|date=Oct 28, 2020|access-date=Oct 29, 2020}}</ref> Kedua lagu memetakan di nomor satu di Billboard ''World Digital Song Sales'' <ref>{{cite web|url=https://www.billboard.com/charts/world-digital-song-sales/2020-09-12|title=World Digital Song Sales: September 12, 2020|work=[[Billboard (majalah)|Billboard]]|date=September 12, 2020|url-access=subscription}}</ref><ref>{{cite web|url=https://www.billboard.com/charts/world-digital-song-sales/2020-11-14|title=World Digital Song Sales: November 7, 2020|work=[[Billboard (majalah)|Billboard]]|date=November 3, 2020|url-access=subscription}}</ref> dan dimasukkan dalam album mini pertama K/DA '' [[All Out]] ''.<ref>{{Cite news|url=https://hypebae.com/2020/10/kda-all-out-debut-ep-collaborators-full-list-twice-gidle-madison-beer-wolftyle-kim-petras-league-of-legends-k-pop-riot-games|title=MADISON BEER, TWICE, (G)I-DLE AND MORE COLLABORATE ON K/DA'S DEBUT EP 'ALL OUT'|author=Kim Ye Eun|work=Hypebae|date=October 16, 2020}}</ref>
Pada bulan November, (G) I-dle mengadakan pertemuan penggemar online yang disebut '' (G) I-dle Official Fan Club Neverland 2 fan meeting'' ''GBC in the Neverland'' melalui [[Interpark|Global Interpark]].<ref>{{cite web|url=http://www.xportsnews.com/?ac=article_view&entry_id=1326875|script-title=ko:(여자)아이들, 11월 온라인 팬미팅 개최…방송부 콘셉트 '기대 UP' [공식입장]|trans-title=(G)I-dle, online fan meeting held in November... Broadcasting Department Concept 'Expectation UP' [Official Position]|work=X-Sports News|author=Choi Hee-jae|date=September 18, 2020}}</ref> GBC adalah singkatan dari (G) I-dle Broadcast Club.<ref>{{cite web|url=http://digitalchosun.dizzo.com/site/data/html_dir/2020/11/04/2020110480223.html|script-title=ko:[오늘공연] 빅톤·(여자)아이들·손동표, 전세계 팬들과 '랜선 소통' 예고|trans-title=[Today's Performance] VICTON, (Female) Idle, Son Dong-pyo announces 'LAN communication' with fans around the world|work=Digital Chosun Ilbo|author= Hanayoung|date=November 8, 2020}}</ref>
=== 2021: ''I Burn'', fokus pada aktivitas solo anggota, dan kepergian Soojin ===
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