Games like Genso Yonbaiken: Tenshi no Daigyakushu

If you finished Genso Yonbaiken: Tenshi no Daigyakushu, the closest matches are Touhou: Scarlet Curiosity, Touhou Eiyashou: Imperishable Night, Touhou Puppet Dance Performance, Touhou Big Big Battle and Touhou Danmaku Kagura. All 8 share its adventure genre and are ranked by how closely their themes and modes overlap.