Mysteria ~Occult Shadows~

U-Secret Studio / Sep 29, 2020 / Action, Adventure, Indie, RPG

Singleplayer

windows
Steam Deck Unsupported

0 playing now

Explore the land of Sulnas as the "Shadow of Death", a cat girl who's dauntless and fierce. The land is poisoned by secret power and desperately needs salvation. Can you save it from its sure demise or will you doom its fate like everyone else would?

Can your PC run it?

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Part	Your PC	MinimumNot sure	RecommendedNot sure
CPU	Not set	Intel G620 or AMD X2 280 /AMD (APU) A6 9500 Can't tell	Intel Core I5 6500 / AMD CPU FX8350 Can't tell
GPU	Not set	Nvidia GeForce GTX750 or AMD GPU Radeon HD 6850 Can't tell	Nvidia GeForce GTX970/1060 or AMD GPU RadeonR9 290 Can't tell
RAM	Not set	6 GB RAM Can't tell	8 GB RAM Can't tell

What's new

HD Point Shop Items Now Available! New Game on Autumn Sale at Lowest Price

2025-09-30

With the previous experience from creating items for "Mysteria Beast Girls", this time we’ve made even higher-quality Point Shop items for our new title "Rebellion Godsoul"! ✨ Seamless Loop · Ultra HD ✨ Visuals fully upgraded, making your collection more perfect than ever! This is a buy-to-play Card Battler + Bishoujo Collecting RPG (with an easy mode for those who mainly want to enjoy the heroines’ stories). One-time purchase includes 43 LIVE2D beast-eared girls (all romanceable) + 300+ CGs! Plus 40+ free swimsuit skins (via free DLC). Enjoy the avatars, backgrounds and more from "Rebellion Godsoul"! 📌 Want to get these high-quality animated avatars & backgrounds? Click here👇 https://store.steampowered.com/points/shop/app/1213300 Preview of some Point Shop items: Animated Background 1: You Are the Coolest Animated Background: Greedy Cat Kami & Mis

Read the full notes

Double the catgirl fun—Kami (a main heroine) and Mis, the AI catgirl you created in-game! Animated Background 3: Faith – Dream of Water Mirrors Animated Background 4: Lincy – Bunny Fantasy Some equipment effect previews: Mini Background: You Are the Coolest 3 Animated Avatars~ And here are some static avatars, free for you to use anywhere!

Open on Steam

What players say

Mixed

63% positive, 319 reviews

Not recommended3 hrs played

It has the Hentai tag in steam, but this is not a hentai game at all, sure there are some lewd outfits for your character and you can turn on a transparent clothing option, but there is no nudity here. The gameplay itself is a bit jank and stiff, you can button mash and still win every fight and boss fight without issue. This game felt like a mix of nier automata, bayonetta, and final fantasy but missed the mark on...

11 found this helpful, 2026-03-29

Recommended2 hrs played

in my opinion i rlly dont see how this game is sexual content {wich is a good thing i aint a gooner} the one reason i wasnt gonna get this game was bc i thgt it would jus be a gooner game but its actually pretty fun and enjoyable.

6 found this helpful, 2026-03-25

Not recommended1 hrs played

fix the bugs please.. i could only play 30 minutes before i got stuck in an area, the there was some ice thing with a drawbridge and i could not get past it the second time, the first time the only way i did was somehow jump past the invisible barrier

4 found this helpful, 2025-10-19

Recommended3 hrs played

Overall a fun hack and slash game so far (for less than $3), however there are issues that I wish were fixed: - When you die after you start a game with no prior checkpoint, you respawn in a glitched state and cannot move, and you might have to force quit the game. - Whenever you start a game, your costume resets back to default until you re-equip it in the "Information" menu. - Some translations aren't the best;...