Games like Touhou Monster TD: Nagae Iku

If you finished Touhou Monster TD: Nagae Iku, the closest matches are Touhou: Scarlet Curiosity, Gensokyo Defenders, Touhou Eiyashou: Imperishable Night, Touhou Puppet Dance Performance and Touhou Hisoutensoku: Choudokyuu Ginyoru no Nazo wo Oe. All 6 share its indie genre and are ranked by how closely their themes and modes overlap.