Download Alien Shooter TD APK 1.7.9 for Android

Alien Shooter TD turns tower defense into a brutal resource war, and the modded APKs promising unlimited gold are exactly where most of the risk hides.

Alien Shooter TD is a single-player tower defense game built by Sigma Team, the studio behind the long-running Alien Shooter action series. Instead of dropping static turrets, you deploy a platoon of soldiers, hand each one a weapon, and hold the line against waves of monsters that flood the map. The hook that pulls players in is ammunition. Every gun runs dry, so you manage supply and upgrades while alien bodies pile up across the screen. As of mid-2026 the game holds a 4.5 rating from more than 46,000 reviews on Google Play, with over 500,000 downloads. The modded version most people search for replaces the slow grind with unlimited money, and that one change is worth understanding before you install anything.

What Is Alien Shooter TD?

Alien Shooter TD is a tower defense strategy game where you command upgradeable soldiers rather than build towers. It was developed and published by Sigma Team Inc., the same Israeli studio that made the original top-down Alien Shooter and Zombie Shooter titles. The game is rated for ages 12 and up for moderate violence, it contains ads and in-game purchases, and it runs fully offline as a single-player experience.

The setup is simple. You are the commander of an elite squad fighting a planet-wide invasion, and the result of each mission depends on how you position and equip your troops. It is available on both Android and Windows, and the current build is version 1.7.9, last updated on October 10, 2025. If you have played a Sigma Team game before, the visual style of heavy gore and dense enemy crowds will feel familiar, only this time the action is filtered through a slower, more tactical layer.

How Alien Shooter TD Actually Plays

The core loop is place, defend, and upgrade. You position soldiers along the path the aliens travel, they fire automatically as enemies approach, and you spend the money you earn on better troops, weapons, and skills between waves. What separates it from a standard tower defense game is how much micro-management it asks for.

There are seven character classes, each with its own role and development path, and you assign weapons to them based on your tactics. The game advertises hundreds of weapon types, and those weapons come in rarity tiers that climb from standard up to legendary, so two players can clear the same map with very different loadouts. Ammunition is limited for every weapon, which forces real decisions. When a fight goes wrong, you can drop bombs and land mines or call in supply drones that instantly refill ammo for the whole squad.

Difficulty is where the game shows its teeth. The first two or three levels feel forgiving, then each map opens up easy, normal, and hard runs, with expert tiers waiting once you clear hard. One small detail adds to the atmosphere: enemy corpses do not vanish, so by the end of a tough wave the battlefield is buried in them.

What the Alien Shooter TD MOD APK Changes

The main feature of the Alien Shooter TD MOD APK is unlimited money, sometimes listed as unlimited gold or unlimited upgrades. In practice this removes the grind. You can buy and upgrade weapons, train new classes, and equip your squad without farming coins across dozens of missions first.

It helps to be clear about what a mod is. A modded APK is a modified copy of the official app, repackaged by a third party rather than by Sigma Team. The gameplay, missions, and assets stay the same, but the economy is rewritten so that resources no longer run out. For some players that is the appeal, because the upgrade grind is the most common complaint in the official reviews. For others it removes the entire challenge, since managing scarce money is the point of the game. Neither view is wrong, but you should know that the mod changes the difficulty curve, not just a number on the screen.

Is the Alien Shooter TD MOD APK Safe?

A modded APK is only as safe as the website you download it from. The file itself is an unofficial build, so the real question is who packaged it and whether anything was added along the way. Files from unknown or low-reputation sites can carry malware, adware, or token-stealers hidden inside an installer that otherwise looks normal.

A few specific risks are worth flagging. Google Play Protect will usually warn you about any APK installed outside the Play Store, and that warning is standard for sideloaded files, not proof of a virus on its own. Because the modded version uses a different signature than the official app, you generally have to uninstall the Play Store copy first, which means your local progress can be lost if it was not backed up. Alien Shooter TD is offline and single-player, so the account-ban risk is lower than in online games, but if you sign into a Google account for cloud saves or achievements through a modded build, that account is still exposed to whatever the file does. The honest summary is that even a clean mod carries the baseline risk of an unverified file from a third party. If you decide to install one, get it from a source you trust, keep a backup of your save, and avoid signing into accounts that matter to you from the modded copy.

How to Install the Alien Shooter TD APK on Android

Installing any APK outside the Play Store means turning on one permission, running the installer, and switching that permission back off when you are done. The steps below cover standard sideloading. They do not bypass any payment or DRM protection, because the mod is just a repackaged build of the free game.

1. Open Settings, then Security or Apps and special access, and enable “Install unknown apps” for the browser or file manager you will use.
2. Download the Alien Shooter TD APK file. If the build ships with a separate OBB data file, download that too.
3. If an OBB file is included, extract it to the Android/obb folder in your device storage before installing.
4. Uninstall the official Play Store version first if you have it, since the signatures will conflict.
5. Tap the APK and follow the on-screen prompts. If Play Protect asks, you can choose to install anyway for a file you trust.
6. Open the game once it finishes, then return to Settings and turn off “Install unknown apps” so no other app can use that permission.

The download is compact, usually around 45 MB for recent builds, so installation is quick on most phones. If you want to compare different builds, or browse other tower defense and action titles in one place, the full library lives on the homepage.

Tips to Survive the Early Missions

Most players quit Alien Shooter TD in the first hour because the difficulty spike catches them off guard. The opening levels teach a false lesson, since dropping one soldier and letting it shoot works fine at first. Real trouble starts a few maps in, when crowds outrun your firepower.

Mix your classes instead of spamming one type. A wall of identical soldiers leaves gaps that fast or armored enemies exploit, while a blend of damage roles covers more situations. Watch your ammo before it runs out, not after, and keep a supply drone ready for the moment a wave overruns your line. Spend on weapon upgrades early rather than hoarding coins, because a higher rarity weapon often beats a second cheap soldier. Save bombs and land mines for choke points where enemies bunch together, since that is where they pay off most. On a tough map, replaying an easier difficulty to bank money before attempting hard is a slow but reliable path forward.

Alien Shooter TD vs the Original Alien Shooter Games

Alien Shooter TD is a strategy spin-off, not another twin-stick shooter. In the original Alien Shooter and Alien Shooter 2, you control a single character directly and blast through monsters in real time. Here you sit one layer above the action, placing and upgrading a squad while the soldiers do the shooting on their own.

That shift suits a different mood. The classic titles reward fast aiming and reflexes, while the tower defense version rewards planning, positioning, and economy. Fans of the series tend to enjoy it as a slower companion piece rather than a replacement, and the trademark Sigma Team gore carries over so it still feels like part of the same world. If you came for the run-and-gun chaos of the originals, the change of pace can feel jarring at first, but the tactical depth grows on most players who give the harder missions a try.

System Requirements and Compatibility

Alien Shooter TD is light on hardware, which is part of why it runs on such a wide range of devices. Older builds supported Android 4.4 and up, and the game stays small at roughly 45 MB, so storage is rarely an issue. It plays offline, supports cloud saves and achievements, and is also available as a Windows version through the Play games catalog for those who prefer a larger screen.

Because the visuals are dated rather than demanding, even budget and mid-range phones handle it smoothly. The one thing to confirm before installing a modded build is your device architecture, since some mod packages are built for specific processor types like ARMv7 or ARM64. A quick check with a CPU info app tells you which one you have if a particular file fails to install.

Frequently Asked Questions

Is Alien Shooter TD free to play?
Yes. The official game on Google Play is free, supported by ads and optional in-game purchases. The modded APK is also free and simply removes the need to spend or grind for in-game money.

Does Alien Shooter TD work offline?
Yes. It is a single-player game that runs without an internet connection, so you can play it on a flight or with mobile data off. An online connection is only needed for cloud saves and ads.

What exactly does the MOD APK give you?
The main benefit is unlimited money, sometimes paired with unlimited upgrades. This lets you buy weapons, train classes, and upgrade your squad freely instead of earning every coin through repeated missions.

Will the mod get my account banned?
Alien Shooter TD is offline and single-player, so there is no competitive system to ban you from. The bigger concern is exposing a Google account through cloud save sign-in on an unofficial build, so it is safer not to link an important account to a modded copy.

Is there a PC version?
Yes. Alien Shooter TD is available on Windows in addition to Android, and the original Alien Shooter TD also exists on Steam for players who want the desktop release.

Should You Play Alien Shooter TD?

Alien Shooter TD is a solid pick if you like tower defense with more hands-on control than the genre usually offers, and it earns its 4.5 rating through tight missions and genuine tactical depth. The grind for money is its weakest point, which is exactly why the unlimited-money mod is so popular. If you want a fair challenge, play the official Play Store version and lean on the early-mission tips above. If you mainly want to experiment with weapons and classes without farming coins, the modded APK delivers that, as long as you take it from a source you trust, back up your save first, and keep important accounts off the modded build. Either way, start on an easier difficulty to learn the economy before the harder maps test it.