1. New optional permanent Second Life IAP: manually revive once per ordinary run without an ad, restoring 60% HP; excludes Daily Mutation and Boss Challenge 2. Paid and equipped Blade or Electromancer retain all run coins on defeat; trial and other unequipped roles are not protected 3. Clearer death and restore-purchase guidance

1. Helicopter extraction: New arrival animation and clearer evacuation alerts 2. Endless horde: A 10-second warning, richer map boss attacks, and steadily rising pressure 3. Exploders: Clearer blast range and a visible 2-second fuse countdown 4. Small-screen polish: Improved HUD, results, and in-game panels

1. Mission selection: Regular and Special Operations are separated, with clearer map details and remembered medal details 2. Daily Mutation: take on a daily modifier challenge with a separate local record and daily reward 3. Boss fights: clearer telegraphs, audio cues, and recovery windows make map bosses easier to read 4. Fortified Factory and Missile Support: charge five stations with kills, gain firepower, and read warned overload waves; refreshed missile visuals and audio recovery

1. Daily Boss Challenge: one ranked attempt per day with a daily damage leaderboard 2. Battle contracts now focus on Standard Action and Blood Price, with separate map rankings 3. The full four-survivor roster and Supply Store return, plus improved long-run stability

1. Exploder upgrade — Blast-range warnings and stronger effects for large infected 2. Ranger skill rework — Fire 10 piercing bolts in a full 360-degree volley 3. Improved combat balance, long-run performance, and control stability

1. Seasons — training levels and vault coins reset; everyone starts level. Purchased characters, unlocked maps and cosmetics are kept 2. New boards — season kills, best run, survival per map, daily. Old records move to the Founders Hall 3. Founders Hall shop — trade Prestige for titles, frames and kill effects 4. Fixed — the train never arrived at Flooded Rail Yard, meteors never fell on one map, Blade couldn't detonate barrels 5. Settings, Codex, Upgrades and mission select rebuilt

1. Added the Electromancer with chain lightning, brief paralysis, and the Storm Field active skill 2. Upgraded active skills and combat effects for all four survivors, including improved blade visuals 3. Improved deployable controls, train beacons, audio recovery after rewarded ads, and localized IAP pricing

1. New Deadwood Camp mode: defend your base against three-lane zombie waves 2. Added tactical deployables, including turrets, electric coils, tar pits and fuel barrels 3. Expanded characters and weapon upgrades for the crossbow, SMG and blade survivor 4. Improved combat HUD, terrain obstacles, barrel explosions and elite zombie events 5. Refined unlocks, purchase recovery, rewarded ads, audio recovery and leaderboard consent

1. Base Defense — hold your camp against hordes pouring in from every lane 2. Tactical deployables — drop sentry guns, coils, tar pits, barricades and more 3. Extraction gamble — cash out your loot at the beacon, or push deeper for more 4. Boss fights — outlast the Butcher and the Horde-Mother 5. 12 languages — the game now follows your device language