Action Taimanin
Released Oct 2020
An intense, gorgeous hack-and-slash action RPG from the Taimanin fame!
82% positive · 19K reviews
Not yet
Released, ongoing live service game
High confidence
Live Service
Not yet
Released, ongoing live service game
High confidence
Live Service
Where to get it
Free on Steam
Evaluation
Action Taimanin is a free-to-play live service action RPG that has been running since October 2020 and shows every sign of continued active operation. The game operates on a rotating monetized content cycle that has remained consistent and dense throughout 2026: new playable characters, weapon and supporter gachas, limited-time costumes, seasonal events, and a Golden Pass structure are all active features.
In a developer note published on July 10, 2026, the team reviewed Q2 2026 additions (new characters, a new boss, a new mini-game, Daily Quest and Total War system changes) and announced concrete upcoming content for the second half of 2026 — specifically, a collaboration playable character (Maya Cordelia from "Prison Battleship 2") arriving in August, a brand-new highest weapon/supporter rarity tier called "LR" also planned for August, and the new Club Joint Training cooperative mode (which launched on August 4, 2026 as announced).
The two most recent developer communications, from August 11 and August 13, 2026, are status updates regarding an Apple platform review delay — the developer is actively working to push a new build through Apple's review process and is communicating regularly with players about the situation. This confirms the team is currently engaged in active development and distribution efforts.
There are no signals suggesting a wind-down or end to content support.
Evidence
Developer provides Apple review status update, confirming they submitted a new build, received feedback on August 12, made adjustments, and immediately requested re-review — indicating active ongoing development work.
Developer communicates about Apple App Store review delay, apologizes for inability to deliver promised updates simultaneously across platforms, and states compensation is being discussed — confirming updates are in the pipeline.
Media
Details
Developer
Publisher
Infini-Brain inc.
Achievements
—
Platform
Windows
Controller
partial support
Steam Deck
Verified
Players
Single-player · Multiplayer · PvP
About this game
SYNOPSIS
Tokyo. The demonic city, plagued with the demons from the dark realms.The ancient rule has prohibited the demons from interfering with humans,
but with the humanity's dark descent, the pact is now history,
and the treacherous syndicates weave crime and chaos throughout the world.
In order to protect the nation, the Japanese government has established a special force,
consisted of ninjas who, with their might and skills, can fight against the demonic invasion.
The world will know them... as the taimanins.
A new task force is established, composed of taimanins, to fight against the international threats and terrorist attacks.
The task force's first mission is to retrieve the bio-weapon stolen from UFS base.
The mission takes a wild twist, as an unexpected alliance joins the team,
and equally unexpected adversary reveals himself - a man who knows Igawa Asagi, the Almighty Taimanin.......
COMBAT
Intense hack-and-slash action with simple taps and swipes!Combine skills, supporters, and weapons to customize your combat style!
CHARACTERS
3+ gorgeous playable characters and 30+ lovable supporter characters from the famed Taimanin franchise at your service!Win their flavor to unlock exclusive, intimate visual novel stories!
PRIVATE ROOM
Pose and deploy the 3D models and create your own action screenshots!All playable characters and enemies available for 3D sandbox fun!
Last evaluated Aug 14, 2026
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