Its glitchless co-op

not sure if this link works for you but here:

https://www.speedrun.com/mc?h=Any_Glitchless_Co-op-2_Players-1.16-Random_Seed&x=zd301qed-68k5jz82.jqz6vmm1-68kd9yql.rqvojn6l-rn1p34dn.5lm7wvjl