Comparison

Nightmare vs NSG Zero Hour

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

Head to head
About

Nightmare

Survive a relentless zombie horde in this top-down shooter. Explore procedurally generated dungeons, fight endless waves, and utilize various actions to overcome obstacles and puzzles. Gamepad support enhances the immersive experience.

Highlights
  • Top-down zombie shooting
  • RPG mode with random dungeons
  • Wave mode with endless zombies
  • Exploration and puzzle-solving
  • Gamepad support and haptic feedback
  • Rolling and jumping mechanics
Features
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Escape the Nightmare of Endless Zombies! - A top-down zombie shooter. - Use limited weapons and ammo to survive and escape from the relentless zombie horde. - Haptic feedback supported - Gamepad use is recommended for the best gameplay experience - Gamepad vibration supported - Please note: vibration may not be supported on some gamepads RPG Mode - Explore randomly generated dungeons filled with zombies. - Find your path and escape the dungeon โ€” the nightmare awaits. - Use actions like rolling, jumping, and more to avoid obstacles and solve puzzles as you go deeper. Wave Mode - Fight off endlessly spawning zombies each round and become the ultimate zombie hunter. - Zombies grow stronger with every. round. Various Actions and Puzzles - Use various actions like rolling, jumping, and pushing to overcome obstacles and solve puzzles. - New challenges await in every level.

About

NSG Zero Hour

Features
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Step into the action with NSG Zero Hour โ€“ the intense 2D action platformer that fuses classic retro arcade thrills with the precision of modern mobile controls. Join the National Security Group (NSG) as their elite commando and blast your way through dynamic battlegrounds where every mission is a true test of skill, timing, and strategy. CORE GAMEPLAY AND FEATURES REVOLUTIONARY AUTO-FIRE SYSTEM Master the battlefield with our game-changing Hold and Swipe controls. This fluid system allows for precision aiming and non-stop shooting while keeping your commando constantly on the move. Enjoy a seamless, high-adrenaline run-and-gun experience built for mobile players. BATTLE ACROSS REAL-WORLD INSPIRED WARZONES Dominate over 20 unique action levels set across deadly, real-world terrains. Fight through explosive combat zones inspired by: Siachen Glacier โ€“ navigate frozen heights and icy traps. Longewala Desert โ€“ endure scorching sands and armored patrols. Dense Jungles โ€“ survive traps and ambushes in the thick jungles of Northeast India. NON-STOP SHOOTER COMBAT Run, jump, and gun through enemy soldiers, deadly automated turrets, and heavily armored bosses. Your reflexes and precision are all that stand between victory and mission failure. Each level introduces smarter and faster enemies with dynamically scaling difficulty that rewards only the most tactical and persistent players. DYNAMIC PLAYER SYSTEMS AND PROGRESSION Track your stats and monitor health and armor in real time. Collect rewards by finding coins, armor, and vital flags across the map. Complete daily missions to unlock special 7-day rewards. Climb the leaderboards and prove your commando supremacy against players worldwide. WHY NSG ZERO HOUR IS YOUR NEXT OBSESSION Experience explosive retro action inspired by classic 2D shooters. Enjoy mobile-optimized controls that perfectly blend fluid platforming and precision shooting. Outsmart intelligent enemies, avoid deadly traps, and push your reflexes to the limit. Earn coins, collect armor, and rise through the global ranks to become the ultimate commando. Are you ready to take command, soldier? Download NSG Zero Hour today and dive into the most intense 2D action shooter on mobile!

Screenshots

Nightmare4 screens
NSG Zero Hour4 screens

Verdict

The call

The clearest difference is ads: NSG Zero Hour at none against Nightmare's shown. NSG Zero Hour also leads on iOS requirement (13.0 vs 15.6). Nightmare's advantage is device support (4 vs 2). On price, update cadence and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Nightmare ships an update every 5 weeks, NSG Zero Hour monthly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard3 real differences ยท 5 level
Nightmare versus NSG Zero Hour: the parameters behind the verdict, then further details
ParameterNightmareNSG Zero Hour
PriceFreeFree
Positive reviews0.0% of reviewsโ€”
Update frequencyEvery 5 weeksMonthly โ€” better
AdsYesNo โ€” better
In-app purchasesNoNo
MonetizationAd-supportedโ€”
DevicesiPhone, iPad, iPod, Mac โ€” betteriPhone, iPod
Requires iOS15.613.0 โ€” better
Further details โ€” not scored
Size1020 MB153 MB
Age rating9+4+
DeveloperSangWon ParkExcelsior Technologies

In-app purchases

None

Nightmare

No in-app purchases

None

NSG Zero Hour

No in-app purchases

Questions

Is Nightmare free?
Nightmare is free to download, with no in-app purchases.
Is NSG Zero Hour free?
NSG Zero Hour is free to download, with no in-app purchases.
Do Nightmare or NSG Zero Hour have ads?
Nightmare shows ads; NSG Zero Hour does not.
Which is updated more often, Nightmare or NSG Zero Hour?
Nightmare ships an update every 5 weeks, and NSG Zero Hour monthly. Most recently, Nightmare was updated on October 25, 2026 and NSG Zero Hour on October 28, 2026.

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