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