Girls’ Frontline 2 | Inverse Cipher Season 4 Event Guide

The Inverse Cipher event challenges players to clear event stages within a limited number of turns to earn valuable rewards, including Collapse Pieces and essential cultivation materials. Below, you will find a complete breakdown of Stages 1–5, along with embedded video walkthroughs designed to help you achieve efficient turn-limit clears.

All video guides featured in this article are created by Nitrogen.
Full credit and a direct link to the creator’s channel can be found here: Video Guides by Nitrogen

Season 3’s guide can be found here

Event Duration
May 28 at 05:00 – June 11 at 04:59 (UTC-4)

Inverse Cipher – Stage 1

Stage 1 introduces the event’s core mechanics and turn-limit conditions. Efficient positioning and early momentum are essential for a successful clear.

Inverse Cipher – Stage 2

Stage 2 builds on the event’s mechanics with tighter turn limits, requiring efficient positioning and sustained momentum to secure a clean clear.

Inverse Cipher – Stage 3

Stage 3 increases the challenge with stricter turn limits, making precise positioning and efficient execution critical for a successful clear.

Inverse Cipher – Stage 4

Stage 4 raises the difficulty with more demanding turn limits, requiring careful planning, precise positioning, and consistent momentum to clear efficiently.

Inverse Cipher – Stage 5

Stage 5 presents the toughest challenge of the event, with strict turn limits that demand optimal positioning, efficient routing, and flawless execution for a clean clear.

Enjoyed? Give a share!