I too thought that the game wasn't working, but it was just the mouse starting in the top left corner making me instantly scroll camera north west without me realising it!
I really am glad you submitted still - and that you took the time to convey your idea in the details section! Despite lacking the gamification, a lot of work went into this clearly! The UI and grid system was really cleanly implemented, I particularly liked the pop up menu and how you click the centre bit to cancel. We ended up placing things down to make as wiggly a path as we could to delay how long it took the little AI to get from start to finish!
Mae rhywun wedi defyddio y gorchymyn Cymraeg, felly mae rhaid i mi orffen y sylwadau yma yn y Cymraeg! Da iawn ti, cariad mawr!