Touhou file formats documentation

Lotus Land Story

Embodiment of Scarlet Devil

Formats

• PBG3 (dat archives)
• STD (stages)
• ECL (enemies and patterns)
• T6RP (replays)
• CFG (configuration)

Opcodes

• ANM (sprites/animations)
• ECL (enemy comportement)
• MSG (dialogs)

Perfect Cherry Blossom

Formats

• SHT (characters)

Mountain of Faith

Opcodes

• ECL (original)

Subterranean Animism

Opcodes

• ECL

The sources are here, and a reimplementation in python is here.