Old Ninja: Underworld is a 2D pixel-art Metroidvania action game where an aging ninja explores a chaotic underground world. Battle through a bizarre mix of enemies with no apparent connection, strengthen your ninja, and challenge the boss lurking deep below.

Old Ninja: Underworld – Overview🔍 ExplorationThe underground world is a labyrinth, much like an ant nest. Some paths may be inaccessible at first. In such cases, explore thoroughly and search for upgrade items. These items will guide the ninja to new areas.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3968810/extras/47afe270778f2fc882821c3db4ce4d94.avif?t=1758295416" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3968810/extras_big/47afe270778f2fc882821c3db4ce4d94.webp?t=1758295416 width=1560 height=872 />⚔️ CombatThe ninja wields not only swords and shurikens, but also a variety of attack techniques. Use them wisely to challenge formidable enemies.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3968810/extras/f23537105d578a997b4ca15c284fcb72.avif?t=1758295416" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3968810/extras_big/f23537105d578a997b4ca15c284fcb72.webp?t=1758295416 width=1560 height=876 />📈 UpgradesDefeating monsters in the underground world grants experience points. Leveling up enhances your abilities. Power up and cut through the hordes of monsters.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3968810/extras/4f8f40efc1c76832472d21ba3eca9e4e.avif?t=1758295416" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3968810/extras_big/4f8f40efc1c76832472d21ba3eca9e4e.webp?t=1758295416 width=1560 height=877 />👹 MonstersVarious monsters roam the underground world, seemingly originating from different realms. Defeat the final boss lurking deep within this chaotic domain.🔥 Fast TravelCampfires are scattered throughout the world. You can fast travel between them to explore the underground world more comfortably.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3968810/extras/d1fb2f5a8fff734b154c35ffa106dfb5.avif?t=1758295416" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3968810/extras_big/d1fb2f5a8fff734b154c35ffa106dfb5.webp?t=1758295416 width=1560 height=877 />📖 StoryThis game has no story—none at all. It’s purely focused on exploration, combat, and upgrades. That’s what it does, and it does it well.Note: Xbox controllers are supported, but some actions—such as settings and fast travel—may require mouse input. Thank you for your understanding.Note: Key configuration is available, but please note that some display elements may not appear correctly. We appreciate your understanding.Note: To ensure a comfortable experience with the full version, we recommend trying the demo first. Please check the system compatibility and gameplay feel before making your purchase.Streaming Guidelines<ul class="bb_ul"><li>Include the store page URL in the video description.</li><li>Include the title “Old Ninja: Underworld” in the video title.</li></ul>As long as these conditions are met, you are free to stream or create videos using this game. Monetization is allowed.──────────────────────────────Estimated completion time: 1h~2h

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