Here is the full list of all 35 Touhou Monster TD ~ 幻想乡妖怪塔防 achievements.
Use Bomb to defeat 200 enemies.
Use Cirno to freeze Suwako 100 times.
Play 100 games.
Complete main story levels in Lunatic mode.
Unlokc all upgrades.
Defeat 1000 Kedama.
Let Minoriko generate 5 points.
Complete main story levels with three stars.
Complete main story levels in Eazy mode.
Complete main story levels in Normal mode.
Complete main story levels in Hard mode.
Defeat Unknown Boss.
Defeat Unknown Tentacle.
Still have 1000 points left when finish a level.
Use Yuka to grow 32 Sunflowers in a game.
Defeat Unknown Ball.
Defeat 1000 enemies by player characters.
Build 8 different Level 5 unit in a game.
Defeat Unknown Doggy.
Defeat 20 enemies by one attack.
Win the first level in normal mode.
Start every wave earlier in a level.
Complete main story levels in Hero mode.
Complete main story levels in Challenger mode.
Unlock all Gensokyo-Wiki items.
Build only one type of unit in a level.
There are 12 train cabins exist in the game.
Lose in Easy Mode.
Win a level with 1 HP left in Story Mode.