Passus Sum

2.3

(3 votes)

Game Information

Developer

Red Pines Corp

Version

v3.4

Engine

Others

Release Date

Mar 29, 2025

Last Update

Jun 18, 2025

Censorship

Uncensored

Overview

Passus Sum is a pixel-art horror adventure for players who want a slow, unsettling one-handed exploration game rather than a tough survival test. It stays quiet and strange rather than punishing.

Story

UnVesper is a cursed place inhabited by strange creatures, and the game follows a trip through it. There is no larger plot to untangle, just a place worth wandering into and seeing what it holds.

Gameplay

Play centers on exploring UnVesper's areas at your own pace, using simple one-handed controls with no game-over state to worry about. Movement through the map leads to encounters with monster girls and other oddities, some of which involve puzzle-like interactions, teasing, groping, or stripping scenes tied to the creatures you meet. Different paths and choices during these encounters lead to different endings, giving the exploration a light branching structure underneath its otherwise calm pace.

Features

Hand-drawn pixel art built around a consistently oppressive, off-kilter setting
A map system that tracks exits and creature status as you uncover more of UnVesper
Multiple endings tied to how encounters with the area's inhabitants play out
Adult content woven into monster-girl encounters rather than a separate mode

Installation

1. Extract and run.

Changelog

v0.34

50+ New scenes;
3+ areas;
2 new characters: Saltatio and Nihili;
5 new endings;
Map improvement
Better accessibility for the map;
Draggable position;
Better view of the exits;
a new section for tracking each sorveta's current level;
Scenes improvement
Slightly increased the random range for the skin color;
Slightly altered the shading algorithm ;
Scenes' graphics replaced with an NPC sprite work;
Scenes' graphics now display red while not seen and fade to black when the level criteria are not met;
Changed the display header for each scene name;
QOL for roulette mode;
Main Route scenes are now displayed in green at the gallery;
Other changes
Goals now explode upon completion;
Improvements to the audio and effects that were implemented in version 0.25;
NPC Camillus now sells a fake mask for bypassing the MaskMadness area;
New NPC Silva will teleport you from Camp to the SavePoint;
Reworked prices at camp;
Added a few shortcuts between areas;
Artifex's scenes moved out of the camps;
Secretly implemented a debug mode open to players with an item add console and a non-collision mode;
Added WitchHouse (To be properly implemented soon);