Top similar games like Idle Protocol:

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.

A short active incremental game about defending from undead hordes. Wield an arsenal of spells, raise a holy army, and fight across ever-expanding battlefields. Start from nothing and progress through a massive skill tree to become the ultimate battlemage.

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

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.

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?

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!

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

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

Traveloot is a solo or couch co-op run-based incremental adventure where you explore islands, gather resources, recruit adventurers, and grow stronger through an upgrade tree.

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!

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.

Idle Dungeon Crawling x Incremental Clicker: Experience the thrill of limitless growth. Master hero synergies and upgrade priorities to bring strategic depth to every dungeon run

CTRL+ESC is a hacker-themed idle clicker where you exploit systems, crack encryptions, and build an unstoppable network of automated exploits. Click to hack, solve captchas and minigames to boost production, and unlock powerful upgrades as you progress through increasingly complex systems.

A short incremental game about terraforming Mars. Adjust the planet's parameters using questionable technology, raise structurally optimistic buildings, and deploy (mostly) helpful drones — until something breathable happens. The engineers are lazy, not incompetent. Probably.

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.

Manage a mysterious machine as it summons and consumes eldritch entities in this incremental game. Every entity consumed makes the machine more powerful, and unlocks new mechanics.

In this expansive, open-ended idle game, freely explore, research, design, and manufacture your unique swarm to combat the endless alien tide. Utilize a multi-layered reset structure to continuously strengthen your forces and ultimately discover the method to save human civilization!

Click to kill slimes and gain gold. Then hire adventurers to kill more slimes. Unlock new slime tiers, upgrade your clicks, adventurers and unlock abilities to kill even more slimes. And then prestige to unlock special upgrades!

Command your heroes, build unstoppable formations, and hold the line against endless waves. Recruit 40 unique heroes, grow stronger even while offline. Turn your castle into an unbreakable fortress.

A short incremental tower defense game centered around growing and strengthening armies, to defend your kingdom and stop endless waves of enemies.

An Idle RPG that turns your real-world productivity into dungeon progress. Work, earn gold, and watch your hero conquer automatically.

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

Endless Harvest is relaxing yet strategic incremental farming game where every crop you place changes the efficiency of your growing plot of land. Grow crops, unlock upgrades, and optimize your farm as much as possible!

Swarmex is a casual pixel-art tower defense game where you build and upgrade a modular space base. Place turrets, mine resources with automated miners, and optimise adjacency bonuses as your defences run on their own. Play in short, satisfying sessions.

FIREWALL: DEFEND THE GRID is a tower defense strategy game where you take the role of a hacker tasked with building cyberspace defense systems. Deploy hardware and software defenses and manage your compute resources to build a perfect firewall and protect your clients from the ever-growing chaos.

A clicker/incremental game themed around AGI (Artificial General Intelligence) development. Use AI to streamline AI development, build data centers and power plants, and venture into space in pursuit of even more power.

Dig for ore, discover new resources, smelt ingots, and unlock hundreds of upgrades in this fantasy mining idle game. Mine faster, dig deeper, and watch your progress grow.

A short incremental game about building a career by destroying planets, meeting corporate goals, and investing in profitable — and maybe not so ethical — ventures.

A cozy, chaotic idle-incremental clicker about growing a civilisation of tiny creatures called Pibbles in a giant tree, set in a post-human world. Gather resources, build wacky structures and play mini-games to push your production to its absolute limits!

An Incremental game about filling your screen with balls.

Manage your castle; craft, fight and gather treasure! Chain buffs to maximize stats, grow your team of loot goblins to survive harder dungeons!

Build an army to fight absurdly large numbers of barbarians in this strategy roguelike, with an incremental twist.

Grow your realm and expand your castle in this short incremental game! Manage resources, discover foreign lands and build up an army to lay siege to your enemies.

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

Hydra Heli 2 is a relaxing incremental game about sinking battleships with an overpowered helicopter. Control a swarm of unstoppable weapons, annihilate armadas, collect shards, and utilize the Depot to boost damage, increase firepower, and unlock new regions.

Cat Idle is a cozy incremental game where you collect coins, customize your kitten, and explore new areas of their world.