Top similar games like Attack of the Zektoids!:

An idle auto-battler that fights epic battles in the corner of your screen while you conquer your day. Complete missions, build your hero squad, unlock new weapons, skills and upgrades. Assemble your own pirate crew and set sail among the stars!

Defend your moon from endless alien waves! Collect gold, upgrade defenses, unlock new weapons and planets, and build the perfect defense while you do other things.

You were chosen for the Planet Keeper Program. Defend the planet in this retro-inspired incremental game. Upgrade our defenses, destroy our enemies, ensure our future.

Build one tower. Hold endless waves. Spend what each wave drops on damage, crit and six weapon mounts firing at once — then bank the run into a 453-node passive tree that carries into the next. A premium incremental tower defence: no ads, no timers, no energy bars.

StarShipdle is an indie game that runs on your monitor while you do other stuff. You’ll be overseeing a spaceship as it explores the universe, managing upgrades, tracking progress, and following the story.

Lazy Galaxy 2 is an idle/clicker game with base-building and RTS elements. Lead an evil (albeit lazy) alien race to conquer the universe! Expand your base, fight vicious foes, and conquer the galaxies. Acquire combat experience and convert into candy, the most precious alien resource!

Swarm Idle is a prestige idle/incremental game where you command an alien queen and her swarm: devour 100 cities, develop eight lineages, optimize your Mutations, and progress even while offline until the whole Earth is ravaged.

An idle defense game at the bottom of your screen. Build your squad, upgrade your base, and hold the line against relentless alien waves while you work or browse.

Fight off a galactic threat in this idle clicker game. Battle waves of enemy ships, progress actively or passively, and save humanity. With over 200 high-quality ship models and background mode, watch your fleet soar across your desktop while you work!

A short relaxing incremental auto-battler where you grow an unstoppable war machine and grind your way forward through enemy territory. No stress, no micromanagement — just growth, upgrades, and glorious mass battles.

Space Colonizers is a simulation and strategy idle game of Sci-Fi adventure theme. To explore more planets and meet cute aliens, you have to constantly install parts and upgrade spacecraft.

Relax and watch your marbles fill circle after circle. Make strategic improvements then unwind in this retro futurist, idle arcade game.

Dive into sci-fi alien worlds where you wipe out Alien scourge by deconstructing them into parts to upgrade your base and your DECON unit, allowing you to produce higher outputs, more damage, more gains, and JUST MORE. DECON PROTOCOL is an incremental game with idle and clicker mechanics.

Conquer your enemies in space, strengthen your ship with stats, and progress even in the background. A relaxing idle experience awaits you!

You must evolve it! Incremental is an incremental game in which you collect resources, build structures and buy upgrades. Help a robot evolve a mysterious creature and discover the truth about the past.

Build your squad, install powerful upgrades, and watch your machines battle automatically. Survive a 10 round gauntlet, push your build to its limits in Endless Mode, or experiment freely in Sandbox Mode.

An incremental roguelite auto-battler. Build a persistent army, program its tactics with Gambits, and take a fallen kingdom back one flag at a time across zones that never stop scaling. Retreat, bank what you earned, come back stronger. Deep prestige, an endless Tower, and King of the Hill.

Fulfill your childhood dream and become an infamous intergalactic rug-trader

A short relaxing incremental game disguised as a tower defense, but enemies can’t reach your walls. Thanks to lava.

Start with one machine. Scale to a galaxy-supplying coffee empire. Hire 33 alien workers, survive Rush Hour chaos every 8 minutes, and boss-fight your way to prestige resets that unlock permanent upgrades. Free to play. No paywalls.

Deep Space Cache is a short & simple semi-idle bullet heaven incremental asteroid miner game.

The Rebel Space Admiral is an idler/ clicker game about space exploration with battles, trade, base building, planet invasions and science research. Fight your way through hundreds of star systems, meet aliens, find powerful artifacts and defeat an ancient evil before it purges the galaxy.

An idle auto-battler that sits in the corner of your screen while you do other things.

Build a cosmic energy empire in this colorful incremental sci-fi game. Click, automate production, unlock technologies, explore distant planets, collect artifacts, raise cosmic pets, and ascend to unlock permanent upgrades.

Experience addictive gameplay with idle progression, strategic upgrades, and auto-combat. Team up with powerful pets, battle menacing monsters, and gather and upgrade your gear. Unleash ultimate skills, challenge epic bosses, and immerse yourself in a captivating storyline.

Your job is boring. Pal Pachinko isn't. Park this idle game in the corner of your screen and watch your balls drop along with your productivity. It's the most efficient way to waste your time. Why focus on one thing when you can fail at two? It's small enough that your boss won't notice (probably).

A text-based incremental idle game with a ridiculous amount of unique content. Automate old stuff as you unlock new stuff to keep things interesting for hours and hours, no spam clicking necessary! Trimps is everything you love about your favorite games, distilled to their purest form.

Minion-based tower defense crossed with an incremental, topped with RPG systems and raid-style boss fights. Raise a legion of 29 shadow types, claim the shadows of 20 fallen bosses, and reset for permanent power. Idle when you want, hands-on when it counts.

Build an industrial base among the stars. Gather resources, manufacture ships, research technologies, and explore unknown regions of space. The core gameplay can be played offline, while alliance features add online missions and cooperative construction.

The roguelike auto-battler where your deck prints itself! Supply a brave worker droid with synergistic blueprints to defend the planet against hordes of alien invaders. Combine hundreds of cards with custom upgrades and infinitely stackable modules to discover broken builds.

Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.

Grow your army from single scouts to floods of tanks, artillery, and engineered mega units. Build factories, choose upgrades and watch hundreds of units collide in wild auto-battles. Hold the line against relentless enemy surges and scale fast enough to survive.

An idle auto-battler that sits in the corner of your screen while you do other things.

A fantasy city builder where you build up your army of minions to take on monsters, bandits and even entire armies! Recruit a wide range of minions to help you gather resources, craft weapons and armor, and develop your colony into the stronghold it was always meant to be.

A pixel idle tower defense where your kingdom fights on its own. Workers gather, your army auto-battles endless waves, spells self-cast — you aim the bow, chain combos and choose what to upgrade. Bosses, titans, prestige, 100+ achievements. The night is endless. The bow is yours.