Old Ninja: UnderWorld: Explore a Labyrinthine Underground World

9/15/2026, 6:20:17 PM

Release date: 9/19/2025

Tags: #action #adventure #metroidvania #2d #pixel-graphics #exploration #action-rpg #action-adventure

User Reviews

Score: 0%2 user reviews
Review Count: 2 reviews
Fetched At: 9/15/2026, 6:20:18 PM

Reference prices

Japan

¥ 350 (JPY)

Steam JP

$2.99 (USD)

Steam

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: ¥ 350
Global Price: $2.99
Price in Your Region: ¥ 350Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 16 Sept 2026
Sale Status: Regular pricing
Price Checked At: 9/15/2026, 6:15:24 PM

Key highlight

Old Ninja: UnderWorld is a 2D action-adventure Metroidvania where players explore a labyrinthine underground world, using upgrade items to unlock new paths and employing various ninja techniques in combat.

Who this is for

A compelling choice for players who enjoy a blend of exploration and action. Unraveling the mysteries of the underground labyrinth and progressing with ninja techniques offers an engaging experience for Metroidvania fans and beyond.

Details

Overview

Embark on a journey into the depths of the underground in Old Ninja: UnderWorld, an action-adventure game developed and published by Waterfall Studio. Players will navigate a sprawling, labyrinthine environment that mirrors the complexity of an ant nest.

Initial exploration may reveal inaccessible paths, urging players to thoroughly search for crucial upgrade items. These enhancements are key to unlocking new areas and progressing through the game's intricate world.

Highlights

Genre Blend: Old Ninja: UnderWorld combines the exploration and progression of Metroidvania titles with engaging 2D action gameplay.
Dynamic Combat: Wield a variety of ninja techniques, including swords and shurikens, to overcome challenges.
Exploration Focus: The game emphasizes thorough exploration of its underground labyrinth, with upgrade items serving as keys to new pathways.

Who It's For

This game is designed for players who enjoy 2D action-adventure experiences with a strong emphasis on exploration and environmental puzzles. Fans of Metroidvania titles looking for a new challenge with a ninja theme will find Old Ninja: UnderWorld particularly appealing.

Those who appreciate pixel graphics and a sense of discovery will also be drawn to its intricate world design.