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Touhou Defense Tale ~ AI Test in Touhou ~
A 2D Touhou fan game combining tower defense, tower merging, RTS-style control, and chaotic bullet-filled battles. Merge Touhou characters, build your defense, and compete for the fastest clear time on the leaderboard.
View on Steam ↗ Free (US · as of 2026-09-26)What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“Please add more characters it's so much fun.”
— a player, Steam review · 120 hrs played“Touhou Defense Tale ~ AI Test in Touhou ~ is a free-to-play strategy game that reshapes familiar Touhou characters and themes into a combination of tower defense, real-time unit management, character merging, and projectile-heavy combat. Developed and published by 식신공방, it takes…”
— a player, Steam review · 14 hrs played“look me in the eyes and tell me this looks like it's a good game except for that ai momjii art WOW WEE she was hot zamn! zamnalicious! MORE LIKE MOMMYJII”
— a player, Steam review · 1 hrs playedAchievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Minor Update & A Final Message
Hello, this is Shikishin Studio . This update is a small patch focused on bug fixes and balance adjustments. Changes Balance EX Marisa has been buffed. Attack Speed: 2.5 → 3 Increased activation chanc
Extra First Clear & Bug Fix
Hello, this is Shikigami Workshop. Today, at around 13:30 , the first-ever clear of Extra difficulty has been achieved! The first player to clear Extra difficulty is: ID: Hong100 with a clear time of
[Update] EXTRA Difficulty and 8 New Characters
Hello, this is Shikigami Workshop. First of all, we sincerely apologize for the delay and for keeping everyone waiting longer than expected. This update introduces EXTRA , a new difficulty level above
[Update Delay Notice]
Hello, this is the developer of Touhou Defense ~ Ai Test in Touhou ~ . First of all, I sincerely apologize to everyone who has been waiting for this update. After completing development and conducting
[Emergency Update Notice]
Hello, this is the developer of Touhou Defense Tale ~ AI Test in Touhou ~ . We recently identified abnormal leaderboard records that could not be verified as legitimate gameplay on the Lunatic Time At
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Casual, Indie, Strategy, Free To Play |
| Player tags | Strategy · Tower Defense · Singleplayer · PvE · Top-Down · 2D · Bullet Hell · Fantasy · Magic · Anime · Cute · Colorful (Steam store community voting) |
| Features | Single-player · Steam Achievements · Custom Volume Controls · Adjustable Difficulty · Mouse Only Option · #category_playable_at_your_own_pace · Playable without Timed Input · Steam Leaderboards |
| Languages | English, Japanese, Simplified Chinese, Korean |
| Achievements | 24 |
Minimum system requirements (PC)
Minimum: OS: Windows 10 (64-bit) Processor: Intel Core i5 or equivalent Memory: 8 GB RAM GB RAM Graphics: DirectX 11 compatible GPU Storage: 1 GB available space GB available space