Top similar games like ZaciSa: Idle Defense!:

2D Tower Defense game set in a colorful world of Crayons. Over 20 different Maps with plenty of fun Weapons at your ready to defend the Crayon Empire. Can you survive the onslaught?

Celestial Defense is a sci-fi space tower defense strategy game where tactical base building and resource management determine your survival. Build asteroid belts, evolve planets, and withstand relentless wave survival combat against the Void.

Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.

They buried the truth. The invasion did not end. Now it is coming home. Grave Orbit is a dark sci-fi survival campaign of relentless escalation, impossible odds, and a war that grows far beyond anything humanity was prepared to face.

A short incremental game about firing bouncing shots, crushing geometric swarms, and upgrading your beacon to send its signal farther and farther.

Competitive endless sci-fi tower defense game with global leaderboards where you strategically place and upgrade Glowbots to stop waves of enemies across vibrant space maps.

Get ready to rethink all your defense strategies! Build barricades to stop monsters, or lure them into a maze and attack. A variety of stages that change each time depending on how you play them.

Build a criminal empire from a street operation to a cartel-scale network.

Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

Click Bangbang is a fast-paced action tower defense where your cube fires wherever you aim. Equip two click-activated powers, counter alien species with the right abilities, unlock devastating upgrades, and uncover the mystery behind the invasion as you fight through deep space.

Survive endless waves of dark entities, use your clicks as a resource, and grow stronger with every run. Find and upgrade powerful modules and unlock new technologies in this incremental clicker defense game. Also - Everything is square.

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.

Laser Defense Extreme is a Tower Defense Game, with a Killstreak System. Place your "Towers" strategically and eliminate the incoming enemies.

A tower defense game where cats battle waves of yarn! Every five levels, you can choose an upgrade. Resources can be harvested from tougher yarn (rock) to enhance and expand your cat city. The game features a sandbox style with no definitive end—how far can you go?

A short incremental game about feeding a Black Hole matter by destroying Asteroids, Planets, and Stars.

Incremental game about protecting solar system. Destroy asteroids with a huge arsenal of weapons, upgrade your skills through a massive skill tree, and defend the solar system from hostile alien fleets. How far can you go?

A simple idle, clicker game where you create atoms and feed them to a black hole. Unlock new elements, upgrade your stats, resources, and watch the numbers go crazy

Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!

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

Asteroid Mining Empire is a sci-fi mining progression game where you harvest asteroid fields, earn credits, unlock upgrades, expand your ship and drone systems, and push toward powerful long-term rebirth progression as your small operation grows into a space industry.

Legacy of the Ark: The Long Awakening is a sci-fi idle progression game where you rebuild a shattered colony ship, restore lost systems, automate production, and uncover the mystery hidden within the Ark’s damaged memory.

A mash-up of the common idle clicker genre and a city builder, Capitals is a fast-paced and competitive strategy game. Each match is set on a resizable game board made up of hexagonal tiles, randomly generated each time you play.

A hand-drawn survival tower defense on a hostile alien world. No fixed lanes — towers and ice walls reshape the swarm in real time. Command distinct frontline heroes, trigger ecological chain reactions, and defend the Purification Core across expanding battlefields.

Inkremental is a short incremental game about splattering paint across canvases by bursting blobs of color. Revisit iconic artworks with a humorous twist, unlock upgrades, and take down quirky mini‑bosses as you bring each masterpiece to life.

A game where you will command 4 heroes (TD) in the defense of Earth from an army of AIs. Create cannons, place them in strategic locations, and level up. Each stage increases in difficulty progressively. You will also command the 4 heroes' ships and can even count on the help of a super robot.

Step into the world of Defend from Candyland! where retro tower defense meets strategic depth. Plant and upgrade trees, use powerful buffs, and reveal enemy paths to shield Eden from waves of candy invaders. Master the challenge now!

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.

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.

Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

Terminal squad: swarmites is a game with indirect control where you must erect a chain of buildings, which generate resources for construction or the combat units for destruction of an enemy.

PlinkIdle is a retro-inspired game with an idle/incremental spin on a classic ball drop mechanic. Falling balls, rare buffs, and steady upgrades unlock colorful, cozy stages and immersive environments.

Orbit a planet, fire your laser, and mine it to the core. Upgrade your ship and conquer seasonal hazards across four unique zones. A satisfying incremental mining game set in space.

Von Neumann Project is about a self replicating probe as it charts the galaxies, peacefully of course. Mine, build, expand, and explore in this sci-fi RTS. Remember to have as little impact on your surroundings as possible and protect yourself at all costs.

Defend your empire in a sci-fi tower defense game. Build deadly combinations of railguns, lasers, gravity wells, drones, and cannons across three maps, 50 levels per map, and four difficulty modes.

Totally Defenceless is a wave-based tower defence game. You will need to protect your energy cores from the invading alien bugs by strategically constructing a maze of towers to alter their path to your advantage.

Incremental game about defending Earth from impending danger. Develop your Skill Tree to setup automatic turrets and various other defensive mechanisms.