Comparison

Zombie Directive vs Space Loop

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

Head to head
About

Zombie Directive

Features
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COMMAND THE ZOMBIE APOCALYPSE! Lead mutant hordes to crush humanity's last stronghold in 7 days! ▸ Strategic Evolution: Unlock 30+ unique zombies with combo mutations ▸ Dynamic Battles: Exploit day/night cycles to ambush human defenses ▸ Survival Warfare: Counter escalating human tech and reinforcements

About

Space Loop

Defend Earth from alien invaders in this tower defense game with a roguelike card system. Build and upgrade futuristic weapons, adapt your strategy with unique card choices, and face waves of diverse enemies and bosses. Every playthrough offers a new, unpredictable challenge.

Highlights
  • Classic tower defense gameplay
  • Roguelike card system for upgrades
  • Futuristic weapon deployment
  • Diverse alien enemy types
  • High replayability with randomized runs
  • Sci-fi alien invasion theme
Features
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Enter the battlefield of **Space Loop: TD**, a new take on **tower defense games** where you defend Earth from waves of alien invaders using **lasers, missiles, turrets, and cards**. As the commander of Earth’s defense, you must build, upgrade, and adapt your strategy to survive endless enemy attacks. Every wave brings new challenges: swarms of fast aliens, ranged attackers, and giant bosses that push your defenses to the limit. Choose wisely with the **roguelike card system** — after each round, pick new upgrades, special powers, and unique skills to boost your strategy. No two runs are ever the same, making every battle unpredictable and exciting. **Key Features:** * **Classic Tower Defense with a Twist** – Protect Earth in a sci-fi setting full of alien invasions. * **Roguelike Card Choices** – Unlock random upgrades, combine effects, and create powerful strategies. * **Futuristic Weapons** – Deploy missiles, lasers, turrets, and experimental tech to crush enemies. * **Alien Variety** – Battle fast swarms, ranged enemies, and massive bosses. * **Replayability & Strategy** – Every run is different thanks to randomized cards and enemy waves. If you enjoy **tower defense games**, **roguelike strategy**, or **sci-fi alien battles**, you’ll love **Space Loop: TD**. Build your defenses, collect cards, and fight to protect Earth in this addictive strategy game. Download **Space Loop: TD** now and prove you can save humanity from the alien invasion!

Screenshots

Zombie Directive4 screens
Space Loop4 screens

Verdict

The call

Zombie Directive and Space Loop are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Zombie Directive versus Space Loop: the parameters behind the verdict, then further details
ParameterZombie DirectiveSpace Loop
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyWeekly—
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size60 MB187 MB
Age rating12+9+
DeveloperChengdu Sanhao Nianhua Technology Co., LtdNgo Nguyen

In-app purchases

None

Zombie Directive

No in-app purchases

None

Space Loop

No in-app purchases

Questions

Is Zombie Directive free?
Zombie Directive is free to download, with no in-app purchases.
Is Space Loop free?
Space Loop is free to download, with no in-app purchases.
Do Zombie Directive or Space Loop have ads?
Neither Zombie Directive nor Space Loop shows ads.

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