double click fleg remix and add your own characters, you get the drill. R O A C H (it's been a while since my last ays project)
i made the ays engine, well sort of. i actually just took @TimmyTheGamingLord's golden apple ays engine and tweaked it a bit. here's the link to the engine for those who don't know: https://scratch.mit.edu/projects/791359153