Use arrow keys to move and all levels are 100% possible.
Credits go to me for coding everything and I got the code blocks from https://www.google.com/search?q=one+line+of+hack+code+images&tbm=isch&ved=2ahUKEwjRu5btgvrpAhXOC98KHTyzAYEQ2-cCegQIABAA&oq=one+line+of+hack+code+images&gs_lcp=CgNpbWcQA1CRhAJY1JYCYLSZAmgAcAB4AIABsQKIAacRkgEHMS43LjMuMZgBAKABAaoBC2d3cy13aXotaW1n&sclient=img&ei=VEbiXtHBGc6X_Aa85oaICA&bih=610&biw=1280&rlz=1C1CHBF_enUS892US892#imgrc=hc37Zf8kHM2cQM