Tokyo Underground Killer

Released Sep 2025

Dive into the neon-drenched deep underground of Tokyo as Kobayashi, a deadly assassin who harnesses the power of blood energy. Use your sword, mystical abilities and powerful weapons to assassinate highly dangerous maniacs and stop the invasion of the brutal Flatliners terrorizing Tokyo.

76% positive · 120 reviews

Done

All announced content has been released

Medium confidence

Done

All announced content has been released

Medium confidence

Where to buy

Steam Updated 12 Oct 2026 $9.99

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Evaluation

Tokyo Underground Killer launched on September 4–7, 2025 as a complete, finished action game. The developer shipped two DLC packs post-launch: the Ultra Neon Arcade Pack on October 17, 2025 and the Moonrose Photo Pack on December 26, 2025 — both of which are now released with no further DLC listed on the store. The studio also delivered a series of patches (1.0.3 through 1.2) adding polish, quality-of-life improvements, and a Visual Novel mode, with the most recent update arriving on December 19, 2025. No unreleased DLC exists in the store listing, no roadmap for future content has been published, and there are no developer statements indicating additional expansions or updates are planned. The last known developer communication was the Version 1.2 patch on December 19, 2025. With all listed DLC shipped, no outstanding commitments, and no signals of continuing development beyond that date, the game appears to have reached its complete state.

Evidence

Tokyo Underground Killer officially launched on Steam with a 10% launch discount. Full game with complete story, 10 bosses, and hub world.

news post · Sep 7, 2025 source content shipped

high

Moonrose Photo Pack DLC released on December 26, 2025. This is the most recent content release listed in the store.

dlc listing · Dec 26, 2025 source content shipped

medium

Content

2 of 2 released · no outstanding content

Released

Tokyo Underground Killer - Moonrose Photo Pack

Dec 2025

Released

Ultra Neon Arcade Pack

Oct 2025

Media

Details

Developer

Phoenix Game Productions

Publisher

3DM Games

Achievements

Platform

Windows

Controller

full support

Steam Deck

Playable

Players

Single-player

Action Shooter 3D Rhythm Cyberpunk First-Person FPS Story Rich Comic Book Sci-fi Anime Visual Novel Combat Surreal Indie

About this game

Neon-infused katana action in a fever dream Tokyo!

Dive into Tokyo's criminal underground as the feared "Shinjuku Vampire" Kobayashi and take out crazy lunatics for just the right price.

・Unrelenting katana combat: Slash, stab and parry your way through hordes of monsters inspired by Japanese demons

・Blood is the key to survival: Use 10 different blood skills to overcome challenging enemies, then suck in their blood to replenish your health and skills

・Fever dream Tokyo: Explore neon-drenched renditions of real places like Shinjuku, Akihabara or Shibuya

・Enjoy Tokyo's nighlife: Between missions you can relax in your own apartment in Shinjuku, buy decorations and play minigames in the city hub