LAST STAND PROTOCOL
VERSION HISTORY
FIELD LOG v5.0 Elite infected, weapon synergies, and five-wave perk drafts v4.7 Five-person squads and tighter fixed defensive lines v4.6 Smoother late waves and difficulty-specific boss pressure v4.5 The fallen receive a proper undead send-off v4.4 The Pharoah crashes the Level 45 undead party v4.3 The Undeadline files one final exclusive v4.2 Smaller bosses, fragile consultants, and boss-breaking cryo v4.1 Doomsday Dave arrives with proof, pizza, and a megaphone v4.0 Dr. Brainless becomes the virus-creating final boss v3.9 Count Snackula arrives fashionably late for the buffet v3.8 Morticia's HOA begins enforcing undead servitude v3.7 Shamblin' Jack Flash brings the undead guitar solo v3.6 The Late Mr. Bitey finally arrives with enough teeth v3.5 Brainsley Cooper gets his own armored nightmare sprite v3.4 Gary receives the horrifying regional-manager sprite he deserves v3.3 Mech and tank patrols anchored to the Zero Line half v3.2 Manual Supply Depot saving only v3.1 Full battle-state save restoration v3.0 Optimized audio, sustained laser damage, and escalating boss bounties v2.9 Realistic layered weapon reports and vehicle movement audio v2.8 Cryo cannon facing corrected and support units unlocked earlier v2.7 Deploy button anchored below all iPhone depot cards v2.6 Older saves now refill missing depot cards on iPhone v2.5 Wave 50 victory and extremely inconvenient zombie cure v2.4 iPhone depot spacing and guaranteed three-card stores v2.3 Industrial Zero Line, Cryo beam, and level-10 upgrade caps v2.2 New-game briefing, field manual, and boss intermissions v2.1 Between-wave store and named boss encounters v2.0 Vertical battlefield and shootable upgrade targets v1.7 Support hardware and degrading Zero Line barrier v1.6 Testing mode and visible sergeant fire v1.5 Focus fire and shotgun sergeants v1.4 Detailed zombie and rifleman sprites v1.3 Persistent tactical controls and version history v1.2 Combat and airstrike performance v1.1 Wave and weapon balance v1.0 Initial deployment

ZERO LINE

WAVE 1
SEISMIC THREAT DETECTED MASSIVE ZOMBIE APPROACHING It has no reservation, but it is coming in anyway.
KILLS0
WAVE1
REMAINING0
SCRAP0
CHOOSE DIFFICULTY, THEN DEPLOY

HOLD THE
ZERO LINE

DIFFICULTY
BETWEEN-WAVE SUPPLY DEPOT

SUPPLY DEPOT OPEN

Spend your scrap. The end of the world accepts no returns.

AVAILABLE SCRAP 0
TACTICAL ACTIONS
DEFENSE OVERRUN

THE LINE
WENT DARK

Game Over — Thanks for the memories, and your brains

You survived 0 waves and eliminated 0 infected.