Thanks for reaching out!  There isn't really a good way to handle spoilers on itch, so below I have provided some hints that have been encoded using rot13 so that you can reveal them one by one (or all at once if you copy the whole thing).  At the bottom there is also a link to a gif showing the solution.

1. Gurer ner bayl n srj cynprf va gur ebbz jurer lbh pna qvr, naq nfvqr sebz hfvat gur erq jnyy va gur ebbz va gur gbc evtug pbeare, gurl nyy erdhver univat na vagnpg onyy naq punva gb hfr.  Cerfreir lbhe punva sbe nf ybat nf cbffvoyr, nf oernxvat vg jvyy frireryl yvzvg lbhe bcgvbaf.

2. Gur erq jnyy obeqrevat gur prageny ebbz vf gur rnfvrfg gb qvr ba, ohg gur onyy lbh hfr gb jrvtu qbja gur fjvgpu graqf gb ernggnpu vgfrys.  Ybbx sbe n jnl gb cerirag guvf.

3. Gel abg gb oernx nalguvat.  Npprffvat gur terra ohggba ba gur yrsg fvqr jvyy erdhver hfvat rirelguvat va gur prageny ebbz.

4. Gur bayl jnl gb qvr va gur obggbz yrsg vf ba gur evtugzbfg vairegrq oyhr jnyy.  Gel gb svaq n jnl jurer lbh pna zbir hcjneqf naq chfu gur obk gb gur evtug va n fvatyr fgrc.  Lbh jvyy nyfb arrq n oevqtr gb ernpu gur yrsg ebbz jvgubhg erivivat gbb rneyl, fb rkcrpg gur pbeare gb or pebjqrq.

5. Trggvat n onyy sebz gur evtug fvqr bs gur prageny ebbz gb gur yrsg znl cebir qvssvphyg, nf nabgure onyy jvyy bsgra gel gb ernggnpu vgfrys.  Gb nibvq guvf, pbafvqre zbivat obgu gb gur yrsg fvzhygnarbhfyl.

6. Gur ebbz va gur gbc evtug pbeare pna bayl or ragrerq vs lbh unir ab punva, ohg lbh jvyy arrq bar gb rkvg gur yriry.  Ybbx sbe n jnl gb erivir fhpu gung lbhe punva jvyy abg oybpx lbh sebz rkvgvat gur ebbz.

https://imgur.com/a/f2kQXRv

Thanks for playing Shackle!