Just finished the game, I really like the concept! The final puzzle is a bit confusing and I had to read some spoilers from comment. Is this how you are supposed to work it out? (ROT13)
Fvtany fgeratgu (crepragntr) pna or sbhaq ba cnvagvatf/cubgbtencuf:
- gur bar va Nqevna'f ebbz vf hcfvqr qbja
- gur bar va Tnentr vf npghnyyl sebz gur Xvgpura, gur Tnentr cnvagvat vf va gur genfu, lbh pna qrqhpr guvf ol ybbxvat ng gur funcr bs gur rzcgl fcbgf
- gur bar va Tenpr'f ebbz jnf guebja njnl ohg lbh pna svaq n ersrerapr gb gur znexvat va n abgr sebz Orgu va gur Tnentr
Obbfgref:
- svefg bar vf rvgure va gur Xvgpura be Yvivat Ebbz. Abgr va gur xvgpura fnlf gung gurer fubhyq or yvggyr ryrpgevpny vagresrerapr va gur ebbz, rira sebz Nqevna'f bja qrivpr, fb gur obbfgre zhfg or va gur Yvivat Ebbz.
- frpbaq bar vf Tnentr/Nqevna'f ebbz/Tenpr'f ebbz. Sebz n abgr va gur Tnentr jr xabj gung vg'f abg va Tenpr'f ebbz orpnhfr Nqevna jebgr gung vg'f abg arrqrq va gung ebbz naq vg cnvarq uvz gb tb va gurer. Gur abgr ba gur Tnentr qbbe fnvq abg gb hfr gur obbfgre va n fcrpvsvp ebbz orpnhfr vg jnf gbb ybhq naq Nqevna gevccrq naq oebxr fbzr sheavgher. Lbh pna frr n oebxra punve va Nqevna'f ebbz. Gung yrnirf Tnentr nf gur bayl bcgvba.
Beqre:
- Ortva va gur jrfg zbfg ebbz. Sebz gur Xvgpura jvaqbj jr frr fhafrg, fb guvf zhfg or gur jrfg zbfg ebbz.
- Arkg jr geniry gb gur ebbz jvgu ybjrfg fvtany, Tnentr, gura ol beqre bs fvtany fgeratgu (Yvivat Ebbz, Tenpr'f ebbz, Orqebbz)
- Gur svany ebbz vf abg npghnyyl gur ebbz jvgu gur uvturfg ernqvat, fb jr arrq gb gnxr bar ebbz bhg bs gur cerivbhf beqrevat. Gur abgr fnvq gung gur svany ebbz jbhyq "perngr n znex" fubjvat uvf cnffntr vagb gur fvtany fbhepr. Abgvpr gur qrrc obbg znexf va gur yvivat ebbz, guvf fubhyq or gur svany ebbz. (V guvax gur ybtvp sbe guvf cneg vf n ovg jrnx)
- Va fhzznel, gur beqre fubhyq or: Xvgpura, Tnentr, Tenpr'f Ebbz, Nqevna'f Ebbz, Yvivat Ebbz
Npgvingvba Xrl:
- Snibhevgr Pbybhe: Tenpr'f qenjvat va ure ebbz. Fur qerj n gvtre ohg gurl ena bhg bs gurve "snibhevgr pbybhe" fb fur unq gb hfr oynpx. Gvtref ner benatr.
- Qernz inpngvba: Terrpr. Qnhtugre'f abgr va Xvgpura.
- Unccvrfg qnl: Jrqqvat qnl. Yvivat ebbz cubgb.