Ninja JaJaMaru: The Great Yokai Battle + Hell

A 2D arcade platformer with unlockable ninjas and monsters

CITY CONNECTION, Hello Quest · Published by CITY CONNECTION · Released May 11, 2022

Reviews: Very Positive; 94% of 98
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 4 years ago; Jun 23, 2022
Minimum PC: UHD 630; 8 GB RAM · 0.6 GB disk; Full requirements

What is Ninja JaJaMaru: The Great Yokai Battle + Hell?

You fight an invading ghost army in a side-view action platformer. You jump between platforms, attack enemies, and gather power-ups and scrolls for special attacks, clearing each stage by defeating every enemy. Unlockable Hell Mode adds new stages, tougher monsters, and experience items that strengthen your character.

For you if...

+you want local co-op on a shared screen
+you enjoy short sessions focused on chasing high scores

Not for you if...

−you want easy combat without much mechanical challenge

What players say

94% of 98 reviews are positive

Players praise the simple controls, soundtrack, and retro pixel art. A negative review criticizes the zoomed-in camera and some characters' weakness against bosses.

Screenshots and trailer

Ninja JaJaMaru: The Great Yokai Battle + Hell screenshot 1

Ninja JaJaMaru: The Great Yokai Battle + Hell system requirements

Minimum: UHD 630, 8 GB RAM, 0.6 GB of disk space.

As published by the developer.

Can my PC run Ninja JaJaMaru: The Great Yokai Battle + Hell?

Tell us your graphics card once and every game page will answer this for you.

Set up my PC →

Minimum

OS: Windows 10
Processor: Core i5-8500 3.0GHz
Graphics: Intel UHD Graphics 630
Memory: 8 GB RAM
Storage: 600 MB available space
DirectX: Version 11

Does Ninja JaJaMaru: The Great Yokai Battle + Hell have co-op or multiplayer?

Yes: co-op split-screen. It also has a single-player mode. With Remote Play Together, one copy is enough to play the local modes online with friends.

Does Ninja JaJaMaru: The Great Yokai Battle + Hell run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 48
Steam features: Cloud saves, Family Sharing
Languages: Text only: English, Traditional Chinese, Japanese, Korean, French, Italian, Spanish - Spain, Simplified Chinese.

Does Ninja JaJaMaru: The Great Yokai Battle + Hell use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam