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Okay its a little odd one
"Haydee" is a hardcore old-style metroidvania mixed with modern-day third person shooter and platformer mechanics. You will controll Haydee - half-human, half-robot character in search of her way out of strange artificial complex full of traps, pain and depression. No casual stuff awaits you. There is no "X to win". Your gun, you instincts and your logic are your only friends. Don't drop your guard, conserve ammo and collect items on this long journey. Be vigilant, be sharp, be ready.
Be good.
Be Haydee.​

Key features:
Large complex to explore. 6 gameplay sections. 160 rooms.
No regeneration. Use medkits.
No checkpoints. Use save stations and diskettes.
All items are hidden. Explore.
Limited inventory. 9 slots for your pleasure.
Hardcore gameplay. You will fail. A lot.
No handholding. Act on your own.
This game won’t try to kill you. Be persistent.