13 Days in Hell Classroom 6x Unblocked Games

A dimensional gateway has been breached. You are the sole survivor at the containment site. Your objective is simple: hold your ground and survive for the next thirteen days. Each day, the hostile waves will intensify. Tactical advice is to aim for cranial weak points to conserve ammunition, manage your reload times strategically, and utilize the breaks between assaults to upgrade your arsenal. This operation is officially designated 13 Days in Hell Unblocked. Your deployment starts now via the secure channel at Classroom 6x Unblocked. Don't let them break our lines. Good luck, soldier.