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