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.
Estimated lifetime revenue
Free-to-play
Revenue comes from in-game items and microtransactions, which our price-based model doesn't estimate. The player count below is how many people own it, not what they spent.
Est. players
2.7K
people who own it
Reviews
73
Review score
95%
9.5/10
Concurrent players
17
read Sep 18, 2026, 15:00 UTC
Followers
About
About the game
Touhou Defense Tale ~ AI Test in Touhou ~ is a 2D tower defense game that combines tower merging mechanics with RTS-style unit control, set in the Touhou Project fan universe.
Summon towers, merge them into stronger units, and strategically reposition your forces in real time to withstand increasingly powerful enemy waves. Master unique fusion systems and unleash flashy skills in chaotic bullet-filled battles.
Features
Tower merging and upgrade progression system
RTS-style unit control and manual targeting
Unique EX / PH / Arcana fusion systems
Anime-style 2D visuals inspired by Touhou
Intense bullet-hell inspired combat
Replay-focused wave defense gameplay
Time Attack Leaderboard
Build your own strategy and protect the shrine’s offertory box from endless waves of enemies.
Clear all 80 waves as fast as possible and compete with other players for the best completion time. Optimize your tower composition, merge routes, and resource management to achieve the fastest clear time.
Genres
