Games like Touhou Tower Defense Aigisyu

If you finished Touhou Tower Defense Aigisyu, the closest matches are Gensou Skydrift, Gensokyo Defenders, Touhou Eiyashou: Imperishable Night, Touhou Puppet Dance Performance and Touhou Hisoutensoku: Choudokyuu Ginyoru no Nazo wo Oe. All 9 share its indie genre and are ranked by how closely their themes and modes overlap.