UDONGEIN X: A Lunarian Rescue Mission in Gensokyo

9/1/2026, 2:20:06 PM

Release date: 12/3/2021

Tags: #action #2d-platformer #platformer #side-scroller #shoot-'em-up #faith #indie #pixel-graphics

User Reviews

Score: 92%Very Positive
Review Count: 461 reviews
Fetched At: 9/1/2026, 2:20:06 PM

Reference prices

Japan

¥ 520 (JPY)

Steam JP

$4.99 (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: ¥ 520
Global Price: $4.99
Price in Your Region: ¥ 520Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 2 Sept 2026
Sale Status: Regular pricing
Price Checked At: 9/1/2026, 2:15:30 PM

Key highlight

Embark on a reluctant rescue mission as Reisen in UDONGEIN X, a 2D platformer shooter featuring 14 unique bosses and character progression. Developed by Bar Holographic Otaku, this indie gem offers fast-paced action and

Who this is for

Dive into UDONGEIN X, a charming 2D action-shooter where you play as Reisen on a mission in Gensokyo. Master challenging boss fights and power up your character with collected items. A must-play for indie fans who love pixel art and engaging gameplay.

Details

Overview

Bar Holographic Otaku presents UDONGEIN X, a vibrant 2D platformer with strong shoot 'em up elements. Players step into the shoes of Reisen, a reluctant hero tasked with a critical mission: rescuing a group of stranded Moon Rabbits who have crash-landed in the mystical land of Gensokyo. It's a race against time to gather her former comrades and put a stop to the Lunarians' schemes once and for all. This indie title, developed and published by Bar Holographic Otaku, offers a fast-paced action experience with a charming pixel art aesthetic.

Highlights

Engaging Boss Battles: UDONGEIN X features 14 unique boss fights, each with distinct mechanics and requiring players to adapt their strategies beyond simple bullet dodging. Success hinges on understanding and respecting each boss's unique patterns.
Character Progression: Players can invest power-up items earned from stages and bosses to enhance Reisen's abilities, making her stronger and better equipped to face the challenges ahead. This system allows for a satisfying sense of growth throughout the game.
Core Gameplay: Combining classic 2D platforming with intense shoot 'em up action, UDONGEIN X demands precision movement and quick reflexes. The side-scrolling perspective immerses players in the colorful world of Gensokyo.

Who It's For

This game is perfect for fans of classic 2D platformers and shoot 'em ups who enjoy challenging boss encounters and character progression systems. Players who appreciate pixel art graphics and a lighthearted yet engaging narrative will find UDONGEIN X a compelling experience. Its multi-player support also makes it a great choice for gaming with friends.

Game Info

UDONGEIN X is a paid title released on December 3, 2021. It supports multiple languages, including English and Japanese, and is available for family sharing. The game is playable with a controller and is rated for all ages. User reviews on Steam have been overwhelmingly positive, highlighting its quality and fun factor.