I fouund it through Icely too, solved it fully, and I have solutions and tips for the spoilers:
1. Fbyhgvba: Cynpr guerr oybpxf ba gur gbc bs gur pbyhza orgjrra vachg naq bhgchg. Gur sbhegu oybpx tbrf ba gur vachg. Cynpr gur tenl fvatyr oybpx ba gur gbc bs gur vachg pbyhza. Abj chfu gur jubyr frghc jvgu gur sbhe ol bar oybpx. Juvyr va zbgvba, gur oybpxf pnhfr n fcnex va gjb cynprf ng bapr: vachg - unys - shyy - shyy - unys - bhgchg
2. Gur urneg pna fgnl ba creznaragyl -> nyy oynpx pbybe gvyrf pbaqhpg cbjre -> gur punetvat tnc ng gur gbc unf 2 pbaarpgvbaf ba obgu fvqrf -> vf gurer n cvrpr gung pbhyq pbaarpg gurz fbzrjurer? -> va gur znva uho jvgu svir ol svir oybpxf gur friragu oybpx unf n zbinoyr oybpx jvgu n ubevmbagny yvar -> lbh pna zbir vg gb pbzcyrgr gur ybbc rapbzcnffvat gur ragver vzntr naq gura syvpx gur svany svany syvpxre ba gb xrrc vg yvg