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?

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.

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.

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.

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?

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!

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

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

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.

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!

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.

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.

Try to survive in infinite asteroid cloud as long as possible in reworked tower defence style. FInd your own playstyle and beat your own records or chillout with original ambient soundtracks. Build, explore, think - everything to create your own colony in this cold space.

The Last Drop is a pixel art top-down shooter where you control the last water droplet on Earth. Battle waves of enemies with unique weapons, customize the map, and compete on the online leaderboard.

"Swarm Survivor: Endless Siege" is a light Roguelike bullet hell shooting game. You will become the last survivor of the Swarm, fighting hard to survive in the endless siege of the alien fleet, building a powerful combat force, and facing wave after wave of challenges.

Build & defend a small remote mining base on Taichin XI from the alien hordes. Deploy defenses, upgrade your turrets and get ready for the nightfall. The Unearthened is a classic Idle Tower Defense game where you build towers and prepare for the invasion.

Defense map, fantasy setting, item synthesis/crafting, enhancement/upgrade, multiple selectable heroes, gameplay similar to Warcraft III-style defense maps.

Rock Crusher is an incremental game with a massive skill tree. Control a little rock-crushing machine stranded on a mysterious planet. Crush rocks, collect materials, evolve through upgrades, uncover the planet’s secrets - and maybe, just maybe, find a way to escape.

Starfall Defenders is a classic tower defense game that features unique towers and enemies. It also has an in-game shop system that allows players to purchase better towers, upgrade existing ones, and buy special items like the Atom Bomb, Splash Bomb, and Air Supply.

Create explosions, acids, bases and more in this chemistry inspired tower defense game! Purchase atoms to fight through waves antimatter enemies and learn about chemistry along the way. 

Protect the Infinite Power Generator by looping around the train tracks! Battle endless waves of enemies in this unique hybrid of auto-battler, survivor, tower defense, idle/clicker gameplay. How long can you survive?

Desperate Place is a strategic tower defense game where you play as a crew member who wakes up early on a damaged colonization starship. Stranded on an unknown planet, you must gather resources, repair the ship, and defend against alien monsters to survive and escape.

SQUARS Corp has assigned you to a new planet. Build your base, learn new skills, obtain powerful modules and defend against massive waves of various enemies in this stylistically minimalist, roguelite mix of tower defense, horde survival and clicker game, where EVERYTHING IS SQUARE!

An arcade style ship vs ship stealth battle. Find them before they find you. Destroy their ship before they destroy yours. Only skill will determine the victor.

Defend your planet from relentless stream of incoming asteroids in this fast-paced 2D tower defence game. Strategically place defensive buildings and upgrade your arsenal to protect your world from destruction!

The hungry Gooper swarm threatens intergalactic peace. Stop them! Build towers around planets and take control over their orbits. Spin them with all you’ve attached! Collect new towers, powers and upgrades to beat the onslaught of goopers and save the galaxy in this colorful Tower Defense Roguelite!

Fend off brutal waves of demonic hordes as a mobile hero amongst your stationary allies. As the city’s last line of defense, recruit followers, unlock upgrades, and synergize skills to hold the line against apocalyptic bosses. Remember: heroes can fall, but the gate must stand.

Defend Your Life! Is tower defense set in human body where players are fighting against villain hordes of viruses and bacteria. Levels and units correspond to reality of human anatomy.

A minimalist sci-fi tower defense. Buy soldiers and upgrade them, defeat waves of enemies, hold your lines.

A wave-based action game, where you fight to survive for as long as you can.