Arknights: Endfield version update 'Sanctuary of Ink' launches October 15 alongside Steam release

Publisher GRYPHLINE and developer Mountain Contour announced that Arknights: Endfield's 'Sanctuary of Ink' version update will launch on October 15 alongside its Steam release. The update adds a new main story chapter, two playable Operators, Si and Argent Flow, the Indigo Experimental Operation for Contingency Contract, and a countryside inn management activity. The Steam version supports cross-platform progression so existing players can continue on Talos-II.