| #23201 | 파발마KOIKOI 2014KOI National / Round 2 | |
| #23202 | 안전한 비상연락망KOIKOI 2014KOI National / Round 2 | |
| #23203 | 과자KOIKOI 2014KOI Regional | |
| #23204 | 자리배정KOIKOI 2014KOI Regional | |
| #23205 | 개미KOIKOI 2014KOI Regional | |
| #23206 | 저울KOIKOI 2014KOI Regional | |
| #23207 | 암호KOIKOI 2014KOI Regional | |
| #23208 | 톨게이트KOIKOI 2014KOI Regional | |
| #23209 | 사과KOIKOI 2015KOI National / Round 2 | |
| #23210 | 벨트KOIKOI 2015KOI National / Round 2 | |
| #23211 | 카드게임KOIKOI 2015KOI National / Round 2 | |
| #23212 | 여왕벌KOIKOI 2015KOI National / Round 2 | |
| #23213 | 동전 게임KOIKOI 2015KOI National / Round 2 | |
| #23214 | 트리KOIKOI 2015KOI National / Round 2 | |
| #23215 | 미술관KOIKOI 2015KOI National / Round 2 | |
| #23216 | 구간 성분KOIKOI 2015KOI National / Round 2 | |
| #23217 | 매트KOIKOI 2015KOI National / Round 2 | |
| #23218 | 여왕벌KOIKOI 2015KOI National / Round 2 | |
| #23219 | 10부제KOIKOI 2015KOI Regional | |
| #23220 | 세로읽기KOIKOI 2015KOI Regional | |
| #23221 | 쇠막대기KOIKOI 2015KOI Regional | |
| #23222 | 컬러볼KOIKOI 2015KOI Regional | |
| #23223 | 카드게임KOIKOI 2015KOI Regional | |
| #23224 | 369 게임KOIKOI 2015KOI Regional | |
| #23225 | 정사각형 만들기KOIKOI 2015KOI Regional | |
| #23226 | 카드 역배치KOIKOI 2015KOI Regional | |
| #23227 | L 모양의 종이 자르기KOIKOI 2015KOI Regional | |
| #23228 | 공중도시KOIKOI 2015KOI Regional | |
| #23229 | 방 배정KOIKOI 2016KOI National / Round 2 | |
| #23230 | 타일 장식물KOIKOI 2016KOI National / Round 2 | |
| #23231 | 리조트KOIKOI 2016KOI National / Round 2 | |
| #23232 | 장애물 경기KOIKOI 2016KOI National / Round 2 | |
| #23233 | 방 배정KOIKOI 2016KOI National / Round 2 | |
| #23234 | 주유소KOIKOI 2016KOI National / Round 2 | |
| #23235 | 트리KOIKOI 2016KOI National / Round 2 | |
| #23236 | 레이저 센서KOIKOI 2016KOI National / Round 2 | |
| #23237 | 주유소KOIKOI 2016KOI National / Round 2 | |
| #23238 | 트리KOIKOI 2016KOI National / Round 2 | |
| #23239 | 먼 별KOIKOI 2016KOI National / Round 2 | |
| #23240 | 딱지놀이KOIKOI 2017KOI National / Round 2 | |
| #23241 | 방 배정하기KOIKOI 2017KOI National / Round 2 | |
| #23242 | 서울에서 경산까지KOIKOI 2017KOI National / Round 2 | |
| #23243 | 줄서기KOIKOI 2017KOI National / Round 2 | |
| #23244 | 곡선 자르기KOIKOI 2017KOI National / Round 2 | |
| #23245 | 산만한 고양이KOIKOI 2017KOI National / Round 2 | |
| #23246 | 물통KOIKOI 2017KOI National / Round 2 | |
| #23247 | 문명KOIKOI 2017KOI National / Round 2 | |
| #23248 | 요리 강좌KOIKOI 2017KOI National / Round 2 | |
| #23249 | 조개 줍기KOIKOI 2017KOI National / Round 2 | |
| #23250 | 행복KOIKOI 2018KOI National / Round 2 | |
| #23251 | 화살표 그리기KOIKOI 2018KOI National / Round 2 | |
| #23252 | 두 로봇KOIKOI 2018KOI National / Round 2 | |
| #23253 | 물탱크KOIKOI 2018KOI National / Round 2 | |
| #23254 | 두 박스KOIKOI 2018KOI National / Round 2 | |
| #23255 | 공룡 발자국KOIKOI 2018KOI National / Round 2 | |
| #23256 | 화살표 그리기KOIKOI 2018KOI National / Round 2 | |
| #23257 | XCorrKOIKOI 2018KOI National / Round 2 | |
| #23258 | 조화로운 행렬KOIKOI 2018KOI National / Round 2 | |
| #23259 | 족보KOIKOI 2018KOI National / Round 2 | |
| #23260 | 369KOIKOI 2019KOI National / Round 2 | |
| #23261 | 볼 모으기KOIKOI 2019KOI National / Round 2 | |
| #23262 | 등수 찾기KOIKOI 2019KOI National / Round 2 | |
| #23263 | 로봇KOIKOI 2019KOI National / Round 2 | |
| #23264 | 신기한 수KOIKOI 2019KOI National / Round 2 | |
| #23265 | 개구리 점프KOIKOI 2019KOI National / Round 2 | |
| #23266 | 드론KOIKOI 2019KOI National / Round 2 | |
| #23267 | 물채우기KOIKOI 2019KOI National / Round 2 | |
| #23268 | 타일 교체KOIKOI 2019KOI National / Round 2 | |
| #23269 | 괄호KOIKOI 2019KOI National / Round 2 | |
| #23270 | 검은 돌KOIKOI 2019KOI National / Round 2 | |
| #23271 | 고압선KOIKOI 2019KOI National / Round 2 | |
| #23272 | 막대기KOIKOI 2019KOI Round 1 | |
| #23273 | 회문KOIKOI 2019KOI Round 1 | |
| #23274 | 양팔저울KOIKOI 2019KOI Round 1 | |
| #23275 | 직각다각형KOIKOI 2019KOI Round 1 | |
| #23276 | 쇼핑몰KOIKOI 2019KOI Round 1 | |
| #23277 | 점프KOIKOI 2019KOI Round 1 | |
| #23278 | 수 고르기KOIKOI 2020KOI National / Round 2 | |
| #23279 | 종이접기KOIKOI 2020KOI National / Round 2 | |
| #23280 | 등산 마니아KOIKOI 2020KOI National / Round 2 | |
| #23281 | 사탕 돌리기KOIKOI 2020KOI National / Round 2 | |
| #23282 | 버블버블KOIKOI 2020KOI National / Round 2 | |
| #23283 | 줄임말KOIKOI 2020KOI National / Round 2 | |
| #23284 | 순서 섞기KOIKOI 2020KOI National / Round 2 | |
| #23285 | 화려한 정사각형KOIKOI 2020KOI National / Round 2 | |
| #23286 | 경계 로봇KOIKOI 2020KOI National / Round 2 | |
| #23287 | 박 터뜨리기KOIKOI 2020KOI Round 1 | |
| #23288 | 피자 오븐KOIKOI 2020KOI Round 1 | |
| #23289 | 햄버거 분배KOIKOI 2020KOI Round 1 | |
| #23290 | 다이어트KOIKOI 2020KOI Round 1 | |
| #23291 | 조명등KOIKOI 2020KOI Round 1 | |
| #23292 | 사각형 면적KOIKOI 2021KOI National / Round 2 | |
| #23293 | 계산 로봇KOIKOI 2021KOI National / Round 2 | |
| #23294 | 괄호의 값 비교KOIKOI 2021KOI National / Round 2 | |
| #23295 | 그래프 균형 맞추기KOIKOI 2021KOI National / Round 2 | |
| #23296 | 누적 거리KOIKOI 2021KOI National / Round 2 | |
| #23297 | 일이 이어져야 좋다KOIKOI 2021KOI National / Round 2 | |
| #23298 | 공통 괄호 문자열 사전KOIKOI 2021KOI National / Round 2 | |
| #23299 | 헬기 착륙장KOIKOI 2021KOI National / Round 2 | |
| #23300 | 가장 긴 공통 괄호 문자열KOIKOI 2021KOI National / Round 2 | |