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.