Top similar games like Idle Protocol:

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.

Build the ultimate hero formation on a tactical grid, then watch your team crush endless waves. Level heroes, collect mounts, farm pets, dig into mines, and prestige across 17+ worlds, all while you're away. A deeply layered idle RPG with real strategic depth.

Last Watchtower is a short incremental defense game. Gather resources, pick upgrades, and unlock powerful tower abilities. Experiment with diverse builds, withstand relentless monster waves, and grow stronger with every run through permanent meta-progression.

A thrilling idle tower defense game with automated battles and endless growth! Build your defenses, deploy heroes, and watch your fortress evolve from a humble outpost into an unstoppable stronghold—even while you’re away. P.S. Supports a boss key for instant hiding whenever needed.

Command a hex arena where your weapons fire themselves, but the build is yours. Mark targets, drop abilities, vent the heat. Between rounds, crack capsules, merge mods and rewire a 13-socket grid. Six zones, one long run, and a machine that slowly starts playing itself.

"Smash Bones" is a unique clicker and idle game. Become the "King of Bones"!

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.

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

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.

Fight powerful bosses in short combat runs, earn gold with every hit, and spend it on a growing skill tree. Upgrade your attacks, unlock new units, and return stronger each time until the boss finally falls.

A pixel-perfect Tower Defense game where defeat is just the beginning. Master the rock-paper-scissors balance of combat, speed up the action with 4x speed, and use your hard-earned XP to unlock powerful permanent skills. Can you hold the line?

A short incremental game where you destroy nodes, collect resources, and steadily grow the core.

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!

Idle zombie defense where you grow your colony, earn passive income, and survive endless waves with automated combat and strategic upgrades.

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.

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!

Start with a single soldier, end up with a massive army. Strategize and command your units, or let them grind on their own. Progress through many unique progression systems and conquer all the stages.

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.

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.

A short incremental game about conquering a map of territories. Each click extracts intel and each upgrade strengthens your nation. Build power, unlock new ways to strike, and move to invade before rival forces invade first. Click. Invade. Conquer...or be conquered.

An incremental action game set across the seas. Lead a party of 5 Heroes, upgrade your heroes and mounts, unlock 16 powerful skills, and build your skill tree as you fight through 35 levels of sea monsters. Defeat giant bosses and tame them as mounts for your next adven

A strategy-driven incremental where choices actually matter. Upgrade costs scale together, forcing meaningful trade-offs instead of blindly upgrading everything. Build defenses, specialize your army, and adapt to overcome ever-evolving enemy forces.

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!

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

Sunsave is a relaxing incremental game with a vaporwave and minimalist vibe. Destroy meteors, collect resources, and evolve the Sun with upgrades that unlock new mechanics!

Raise and equip dragons, expand your tower, manage resources, and defend your kingdom across five enemy realms in this colorful 2D idle tower-defense game.

Escape from the witch’s mansion! This is a strategic escape game. Use “Mana Reinforcement” and “Magic Potions” to power Claudia up and make your way through the 30 stages of the witch’s mansion to escape to freedom. Will you be able to make it out of the mansion safely and achieve the best ending?!

A short incremental clicker game that blends the strategy of tower defense with the depth of sprawling upgrade trees. Build your own winding mazes to repel the oncoming hordes!

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

Endless tides of beasts crash against your fortress, yet never breach your line. Fight alongside your brave companions, reap the invaders, and grow stronger with every battle. Rise to meet the next wave with greater might—reap, strengthen, reap again. The cycle never ends.

Smash enemies by unlocking and upgrading four unique attack buttons in this short, minimalist incremental game.

Towerix91 is an incremental tower defense inspired by PC games of the late 80s and early 90s. Collect crystals, unlock dozens of upgrades in the tech tree, place towers on walls, upgrade them and use abilities. Repel waves of enemies while steadily strengthening your defenses.

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