One by One: Conquer Phobias in a Dynamic Roguelike Shooter

6/8/2026, 10:08:12 AM

Tags: #action-roguelike #roguelike #difficult #action #bullet-hell #dungeon-crawler #pixel-graphics #top-down

User Reviews

Score: 100%Positive
Review Count: 20 reviews
Fetched At: 6/8/2026, 10:08:12 AM

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥ 799
Global Price: $7.99
Sale Status: Regular pricing
Price Checked At: 6/8/2026, 10:08:11 AM

Key highlight

Conquer phobias in One by One, a dynamic action roguelike shooter by CozyStorm. Explore diverse dungeons, customize your loadout with artifacts and weapons, and battle unique creatures in this challenging single-player e

🖥️ Hardware Guide for Comfortable Play

Based on the game's recommended specs, showing a comfortable performance target and example parts (PassMark reference)

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CPU

Game's recommended spec

2.4 GHz Quad Core 2.0 (or higher)

No PassMark data — please check the manufacturer's site

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GPU

Game's recommended spec

GeForce GTX 550 Ti (3072 VRAM); Radeon HD 6850 (1024 VRAM)

Comfortable play target

2,755 pts(~130% above spec of 2,119 pts)

Parts near this range

GeForce GTX 5602,776 pts GeForce GTX 770M2,793 pts Radeon RX 5502,699 pts

* Scores are reference values. Actual performance varies by in-game settings, resolution, and system environment.

Build a PC to match this performance → BTO Guide

Details

Dive into the unsettling world of phobias with One by One, a fast-paced roguelike shooter developed and published by CozyStorm. Players are tasked with saving the world by confronting its deepest fears, battling cunning creatures born from these anxieties.

The game throws you into dynamic encounters from the very first minutes, demanding quick reflexes and strategic thinking.

Descend into a variety of wild dungeons, from dark crystal caverns and primal fiery forests to autonomous robot facilities. Each environment offers unique challenges and opportunities.

You'll rescue adventurers and choose from a roster of characters, each boasting distinct playstyles, adding significant replayability. The core gameplay loop involves exploring these treacherous areas, opening treasure chests, and acquiring powerful artifacts.

These artifacts, along with a diverse array of weapons, activatable equipment, and various accessories, allow for deep loadout customization. Discover unique item combinations to create devastating synergies and overcome the relentless onslaught of phobia-manifested enemies.

One by One features a distinct pixel art style and is built around the action roguelike formula. Expect challenging gameplay that tests your skills and adaptability.

With features like Steam Achievements, Steam Cloud saves, and Steam Leaderboards, your progress and triumphs can be tracked and shared.

Overview

One by One is an action roguelike shooter where players battle manifestations of phobias across diverse, procedurally generated dungeons. The game emphasizes dynamic combat, deep loadout customization through artifact and item collection, and character variety.

Highlights

Dynamic Roguelike Action: Experience intense, fast-paced combat in procedurally generated dungeons filled with unique enemies and challenges.
Deep Customization: Collect a vast array of weapons, equipment, artifacts, and accessories to craft unique and powerful loadouts for each run.
Diverse Environments & Characters: Explore distinct dungeon biomes like crystal caverns and fiery forests, and choose from characters with unique playstyles.

Who It's For

This game is for players who enjoy challenging action roguelikes, bullet hell elements, and dungeon crawlers. Fans of pixel art and games that offer high replayability through customization and procedural generation will find a lot to love here.