The Zone was created after a strange interdimensional rift opened, leading the city and all surrounding areas to be infested with outwardly beasts and dangerous anomalies.

The meeting turns out to be a trap by Lord Mark, the leader of a clan of fanatics who worship him as a messiah.

He soon finds out that there is much more to worry about than just a new clan war, as he is forced to confront an enigmatic and powerful man whose ambition threatens not only to safety of the Zone, but to the whole world outside.

A stand-alone expansion entitled Collapse: The Rage (Ukrainian: Колапс: Лють) was released in 2010.

The features include improved ranged and close combat mechanics, new special effects and the "Rage" mode.

praised the unusual setting, hack'n'slash mixed with shooting, and soundtrack, but the game was criticised for simplicity of its combat system, repetitive gameplay and poor design of some characters.