Mortisomem
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About Mortisomem
Mortisomem is an adventure, mystery and horror game set in the forests of inland Brazil in 1917. You play as Donald Barnes, an American immigrant and successful merchant in Brazil, who hears a local story about a man murdered hundreds of years ago by his wife's family. After his death, the man became Mortisomem, a cruel demon said to kill local inhabitants out of hatred and resentment.
On his way home, Donald is stalked by a powerful creature matching Mortisomem's description. You venture deeper into rural areas to escape it and find another way home, exploring the forest, meeting people and uncovering the region's history as you try to survive.
Explore the forest
The open-world map contains interactions and secrets, with freedom to explore. Rural and nighttime settings use retro PS1 aesthetics, along with varied effects and sounds.
Choices and endings
Player decisions can lead to different outcomes. Unlocking an ending takes around an hour, depending on your skill.
Frequently asked questions
The best price for Mortisomem is $3.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Mortisomem are: Windows 7, 2 GB RAM, 1 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Mortisomem is a single-player game.
Yes. Mortisomem is the full base game. You need nothing else to play it.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











