Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics
SalesBundles
Jobs

Sorry for late responding - if still relevant: all is drawn on 16x16 pixels grid. The robots are all 16x32 (WxH) but first one starts at pixel 208x16 - so you might need to add 16px vertical offset or something like (I know nothing about unity). Good luck!