Buy 99Day Survival Guide PC

99Day Survival Guide is free to play! Download it on Steam and start playing instantly.

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About 99Day Survival Guide

99Day Survival Guide - about the game

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The zombie apocalypse is here—fight to survive and break out of the infected zone!
A sudden viral outbreak has turned the city into a living hell. Face endless hordes of zombies and seek survival amidst despair in this top-down, solo or co-op action survival game! Combining roguelike randomization with fast-paced combat, the game supports hardcore solo challenges or 4-player co-op—surviving the apocalypse is never lonely.
â–  Endless Zombie Hordes â– 
Zombies come in waves, each more ferocious than the last!
  • Dynamic Threat System: Hide by day, rage by night! Nighttime sees more zombies with greater detection.

  • Horde Warning Mechanism: Predict large-scale attacks through ground tremors and distant screams.

  • Ultimate Goal: Break through the encirclement and reach the safe zone before total collapse!

â–  Deep Build System â– 
  • 30+ unique talents that completely change the gameplay.

  • 10+ weapon types, from fire axes to grenade launchers, each with distinct feel.

  • 10 ultimate skills: call airstrikes, throw explosive grenades, or even temporarily control the undead.

  • Free playstyle combinations: melee berserker, trap master, drone summoner… your imagination is the limit.

â–  4-Player Co-op Mayhem â– 
  • Lone wolves may die, but teammates can be even more dangerous!

  • Supports 4-player co-op sharing survival resources… or stealing the last medkit.

  • “Friendly Fire Moments”: AoE skills hit indiscriminately—watch out for your team!

  • Co-op Mechanics: Character skills can interact (e.g., Drunk’s Molotov + Engineer’s Drone = fiery bombardment).

â–  10 Unique Characters â– 
Each character offers a completely new gameplay experience:
  • Bombproof Officer: Shield forward, but 20% slower movement.

  • Drone Engineer: Aerial reconnaissance, but melee damage halved.

  • Pyro Drunk: Throws Molotovs, drunken state triggers random crits or self-damage.

  • Demolition Expert: Grenades open the path, but watch out—don’t blow yourself up!

  • …plus 6 hidden characters to unlock.

â–  8 Treacherous Maps â– 
Each map presents unique survival challenges with different resources and dangers:
  • Old Town: Narrow alleys easy to defend, but abandoned vehicles can block paths.

  • Hospital: Rich in medical supplies, yet the morgue may erupt with zombies.

  • School: Open playground, classrooms form deadly mazes.

  • Quarantine Zone: Military fire traps; misuse and get burned.

  • Shopping Mall: Christmas lights can blind zombies, glass skywalks may collapse.

  • Downtown: Tall buildings for sniping, but zombies swarm from underground garages.

  • Dockyard: Container mazes allow flanking, dampness reduces fire effectiveness.

  • Sewers: Toxic areas require gas masks but contain rare upgrade parts.
    (More death arenas under development…)

â–  Intelligent Hordes & Deadly Bosses â– 
These aren’t mindless zombies—they learn, evolve, and hunt:
  • Special Infected:

    • Butcher: Can slice players into pieces.

    • Banshee: Attacks rapidly when disturbed.

    • Pustule: Explodes on death, damaging nearby players.

    • Acid Spitter: Shoots corrosive slime at range.

    • Burrowing Sandworm: Ambushes from underground causing knockdown.

    • Blood Leech Swarm: Attaches to ceilings/water, heals itself by draining life.

    • Mutant Rat Pack: Carries random debuffs (slow, blurred vision, bleeding).

    • Splitter: Splits into two smaller units when fatally injured.

    • Invisible Hunter: Completely transparent while moving, reveals only on attack.
      (More monsters added continuously…)

  • Dynamic Bosses:

    • Military Experiment: Uses leftover tactical gear, targets healers first.

    • Mutant Giant Baby: Devours corpses to heal, takes triple damage from fire.

    • Zombie Dog Pack: Double movement speed, reduced headshot damage.

“Remember: when you hear laughter, it’s already too late…”
“Since the apocalypse is here, enjoy the last thrilling moments to the fullest!”
Interface:
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Audio:
GermanEnglishSpanish - SpainSpanish - Latin AmericaFrenchItalianJapaneseKoreanPortuguese - PortugalPortuguese - BrazilRussianSimplified ChineseTraditional Chinese
Subtitles:
GermanEnglishSpanish - SpainSpanish - Latin AmericaFrenchItalianJapaneseKoreanPortuguese - PortugalPortuguese - BrazilRussianSimplified ChineseTraditional Chinese

Age rating

Unavailable

Minimum:

  • OS: WINDOWS® 10 (64-BIT Required)
  • Processor: Ryzen 5 2600x, Core i5 8600 or better
  • Graphics: NVIDIA® GeForce® GTX 960 or AMD Radeon™ RX 460
  • Storage: 2 GB available space
  • Additional Notes: Broadband Internet connection; Need; This game is expected to run at 1080p/30 FPS.

Recommended:

  • OS: WINDOWS® 10 (64-BIT Required)
  • Processor: Ryzen 5 5600X, Core i5 11600K or better
  • Graphics: Radeon RX 6700 XT, Geforce RTX 2070 or better
  • Storage: 2 GB available space
  • Additional Notes: Broadband Internet connection; Need; This game is expected to run at 1080p/60 FPS.
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FAQ

8 questions

Before you start looking for a cheap 99Day Survival Guide key, check the essentials. Genres: Action, Indie, Adventure.

Q

Where to buy a cheap 99Day Survival Guide Steam key?

99Day Survival Guide is free to play! Download it on Steam and start playing instantly.

99Day Survival Guide is completely free on Steam. No purchase needed - just download and play. If you are looking for premium DLC or in-game items, check the offers table above.

Our price tracker covers both official retailers and key marketplaces, so you can find 99Day Survival Guide on sale even outside seasonal promotions. We currently detect 0 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, 99Day Survival Guide is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. 99Day Survival Guide has an official page on the Steam Store, but we currently don't track any third-party offers with Steam DRM. Check back later or set a price alert.

Not at this time. Valve marks 99Day Survival Guide as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

99Day Survival Guide does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best 99Day Survival Guide deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

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