, developed by Elzee and published by Saikey Studios , is a dark rogue-lite exploration RPG and ADV game set in a city ravaged by a lethal zombie virus. Positioned as a side story to the original Tunnel Escape , this installment follows Olivenia , a daring police officer tasked with a high-stakes escort mission to a secret base while her partner, Noah, provides remote tactical support.
While specific changelogs for the granular 0.3.1a update often focus on stability, this version continues to integrate the high-quality assets Elzee is known for:
Beyond the primary mission, Olivenia uncovers clues about Beatrice —a key figure from the original game—and a mysterious biological weapon, hinting at a larger conspiracy within the secret biological laboratories she discovers. Version 0.3.1a Highlights
Every run offers a unique experience through a massive pool of hundreds of random active and passive skills. Players must manage limited resources, such as ammunition and adrenaline, while crafting recovery items between battles.
The -v0.3.1a- update represents a continuing evolution of the title's core mechanics and narrative depth, building on the foundation of previous builds to refine its signature blend of strategic combat and adult survival horror.
Full controller support includes detailed force feedback for every shot fired and interaction, enhancing immersion. Availability and Access
A Free Edition is available, offering one playable stage and a character level cap of 20. The full Supporter Version, frequently updated through crowdfunding platforms like Ci-en, includes expanded progression, additional stages, and exclusive storylines.