Comparison

SkullStrike vs Nightmares Within

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

SkullStrike

Features
Read full description

Beyond the known world lies Zero, a forgotten land erased from every map. Strange signals echo through its ruins, the dead wander beneath a silent sky, and armed forces fight for secrets buried deep below. Those who enter seek answers—but few ever return. Enter SkullStrike: Zero FPS—the first chapter of the SkullStrike universe—and begin your journey into the unknown. SkullStrike: Zero FPS is a fast-paced 3D first-person shooter featuring offline 5v5 battles, zombie survival, and local LAN multiplayer. Fight in intense 5v5 Deathmatch battles without an internet connection, survive relentless waves of zombies, or challenge your friends through LAN multiplayer on the same local Wi-Fi network. Whether you prefer competitive firefights, survival challenges, or local battles with friends, SkullStrike: Zero FPS delivers nonstop FPS action. OFFLINE GAME MODES ► 5v5 Deathmatch Enter fast-paced team battles and lead your team to victory by reaching the kill limit before your opponents. ► Zombie Survival Survive increasingly dangerous waves of zombies in an intense survival challenge. Improve your aim, survive longer, unlock new areas, and defeat stronger enemies as each wave becomes more challenging. Includes free content with optional in-app purchases for the full experience. ► Solo No teams. Every player fights for themselves. Eliminate your opponents, earn the highest score, and claim the top spot on the battlefield. LAN MULTIPLAYER MODES Connect with friends over the same local Wi-Fi network and compete in: ► 1v1 Duel Test your shooting skills in intense head-to-head combat. ► 2v2 Team Battle Coordinate with your teammate and defeat the opposing team. ► 4v4 Team Battle Join larger team battles, work together, and fight for victory. CORE FEATURES ► Play Offline Enjoy 5v5 Deathmatch, Solo, and Zombie Survival without an internet connection. ► Local LAN Multiplayer Battle friends using devices connected to the same local Wi-Fi network. ► Optional Global Leaderboard When connected to the internet, compare your achievements with players from around the world and climb the global rankings. ► Fast-Paced FPS Combat Master different weapons, improve your accuracy, and dominate every battlefield. Download today and step into the mysterious land of Zero. Survive the undead, defeat your enemies, uncover its secrets, and prove your shooting skills. Zero is only the beginning.

About

Nightmares Within

Embark on a survival mission on a cursed island, battling relentless undead in a 3D FPS open-world. Scavenge resources, manage ammo, and choose your combat strategy to uncover the secrets of an abandoned hospital.

Highlights
  • High-stakes survival gameplay
  • Resource scavenging and ammo management
  • Stealth and action combat options
  • Deep RPG progression and skill tree
  • Open-world exploration
  • Daily challenges and missions
Features
Read full description

Stranded. Alone. Surrounded by the relentless undead. After a high-stakes mission goes wrong, Army Sergeant Noah is cast onto a cursed island in the Pacific. At its dark heart lies a colossal, abandoned hospital—a labyrinth of secrets that should have stayed buried. Nightmares Within masterfully blends classic Survival with modern 3D FPS Action. In this open world, every corridor hides a threat, and every bullet is a lifeline. Why You’ll Love It: High-Stakes Survival: Scavenge for vital resources and manage your limited ammo to survive brutal, heart-pounding Boss fights. Stealth or Action: You decide the strategy. Snipe from the shadows, go in guns blazing, or perform silent assassinations to clear your path. Deep RPG Progression: Level up Noah’s specialized skills through a deep talent tree to withstand the escalating terror of the island. Daily Challenges: Connect and survive! Experience a dynamic world with consistent updates and challenging missions. Enter the hospital. Fight the undead. Solve the mystery before it’s too late. Download now and face your fears!

Screenshots

SkullStrike4 screens
Nightmares Within4 screens

Verdict

The call

The clearest difference is update cadence: SkullStrike at every 5 days against Nightmares Within's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SkullStrike sells 20 one-off in-app purchases and Nightmares Within sells 18 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SkullStrike ships an update every 5 days, Nightmares Within every 3 weeks. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
SkullStrike versus Nightmares Within: the parameters behind the verdict, then further details
ParameterSkullStrikeNightmares Within
PriceFreeFree
Rating—4.4 (22 ratings) — better
Positive reviews—81.8% of reviews
Number of ratings—22 — better
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size494 MB996 MB
Age rating12+17+
DeveloperGREENWORMS ENTERTAINMENTWaterBear Games

In-app purchases

20 purchases

SkullStrike

One-time20
  • Skin_SMG_01$0.99
  • Skin_SMG_06$0.99
  • Skin_SMG_08$0.99
Show 17 more
  • Skin_SMG_07$0.99
  • Skin_SMG_11$0.99
  • Skin_SMG_10$0.99
  • Skin_SR_06$0.99
  • Skin_SR_01$0.99
  • Energy Refill$0.99
  • Unlimited energy 24h$2.99
  • Zombie Mode Game$2.99
  • Start Pack$4.99
  • Special Pack$4.99
  • All Skin Gun$9.99
  • Gold Gem Pack$9.99
  • Daily Pack$9.99
  • Beginner Pack$9.99
  • Gift VIP Pack$14.99
  • MadJester$19.99
  • Eternal energy$49.99
18 purchases

Nightmares Within

One-time18
  • Beginner's Gift Pack$0.99
  • Judgment Gift Pack$1.99
  • Limited-Time Gold Pack$2.99
Show 15 more
  • Limited-Time Gold Pack$4.99
  • Monthly Member$4.99
  • Precision Part Supply Pack$4.99
  • Upgrade Boost Pack2 variants$4.99
  • Moderate Coins$4.99
  • Permanent VIP$9.99
  • Premium Pass$9.99
  • Precision Part Supply Pack$9.99
  • Limited-Time Gold Pack$9.99
  • Maul Pack$9.99
  • Pile of Coins$9.99
  • Premium Pass +$19.99
  • Loads of Coins$19.99
  • Sea of Coins$49.99
  • Ocean of Coins$99.99

Questions

Is SkullStrike free?
SkullStrike is free to download, with in-app purchases available.
Is Nightmares Within free?
Nightmares Within is free to download, with in-app purchases available.
Do SkullStrike or Nightmares Within have ads?
Both SkullStrike and Nightmares Within show ads.
Which is updated more often, SkullStrike or Nightmares Within?
SkullStrike ships an update every 5 days, and Nightmares Within every 3 weeks. Most recently, SkullStrike was updated on October 24, 2026 and Nightmares Within on October 24, 2026.

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