Learn by playing
The main game is 한글 함대: type the Korean word and your ship fires. Grammar and vocabulary games live in the OPUS app.
한글 함대
A magical night-sky battle that teaches the 두벌식 Korean keyboard: step-by-step tutorial, 이무기 bosses and an 아리랑 soundtrack. Runs full screen, no app needed.
⌨ Needs a computer keyboard. Does not fully work on phones.