Top similar games like ProtectHeart:

A Tower Defense game, where geometric shapes face each other, and you, the Leader of the Order, must carefully plan your time and money to defeat enemies. With a minimalist design, this is the game for those looking to relax and at the same time train their agility and logical thinking.

Spectral Realm is a top-down tower defense Rogue game, where players need to play the role of an astronaut who has just landed on a different planet to block a constant stream of attacking native creatures and continuously strengthen themselves with the gems contained within their bodies.

A 2D Touhou fan game combining tower defense, tower merging, RTS-style control, and chaotic bullet-filled battles. Merge Touhou characters, build your defense, and compete for the fastest clear time on the leaderboard.

Clankers! is a short incremental robot killing game. Kill Clankers, gather money and spend it on weapons and upgrades to stop Clankers from stealing our jobs!

Infinitode 2 - a strategy in the Tower Defense genre, in which the player will have to build towers to protect his base from endless waves of enemies. The game features huge maps, lots of towers, resource miners, upgrade tree and map editor.

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

Time Clickers is what's called an 'incremental game'. There's always a fun upgrade to look forward to, and the numbers keep getting bigger! Hire a team to fight for you, even when you're offline!

Forge insanely rare turrets in an incremental idle tower defense. Hunt impossible loot, unlock powerful relics, expand your skill tree, complete quests, and discover game-breaking synergies as you chase the rarest drops imaginable.

Idle Tower Defense is a game where you control a single tower to fight off hordes of enemies. No randomization. Choose from a variety of modules to create unique builds and upgrade modules and survive endless waves.

Mate'Morphosis is a pixel art, chess-inspired puzzle game built around the concept of becoming the piece you capture. Outsmart each board, adapt to evolving mechanics, and hunt down the rival king across every stage.

Defend yourself in this minimalist one-button incremental defense game. One hit, and it’s over.

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.

Prepare for the onslaught! Chromatrix is a retro tower defense game where color and placement are everything. Upgrade and customize your turrets to counter shifting enemy-types and map configurations. Manage your resources and craft the perfect defense against any attack!

This is a puzzle, pixel style game about how to dig a road.

This is a Prologue experience for Acid Planet, a strategic Wave-Survival Auto-Shooter game. In the challenging first mission you will build your base, command your drones and battle to survive against hordes of monsters and gigantic Kaiju.

In JezzBall, your goal is to contain bouncing Jezz atoms by building walls. Complete levels by converting over 75% of the chamber into walls, adding a new atom each time. Left-click to deploy walls and right-click for direction.

Upgrade your Castle and Unlock new tiers of Skills and Weapons to Defend vs Monsters and Bosses across VARIOUS ZONES! Find Rare ITEMS dropped from monsters and bosses and upgrade them to their full potential! Defeat RAID Mega-Bosses to find LEGENDARY items!

Build whimsical defenses, wield powerful relics, and command magical snow guardians to survive the infernal chaos. Can you hold the line through endless nights and defeat the Frost fallen King?

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!

Nonograms is a relaxing puzzle game where you use logic and creativity. Your goal is to reveal hidden pictures by filling in specific grid cells, based on numerical clues provided for each row and column. The games in this genre are also known as Picross, Griddlers, Pic-a-Pix, Hanjie, etc.

A chill idle/incremental strategy game where you restore souls, build a Faith economy, automate more of your realm, and rebirth for permanent progress before corruption takes over

Relaxing, casual single-Player Tower Defense Game for breaks in life.

Coloring Game is a fantastic anti-stress game. Animate the pixel picture by coloring it in full!

Quickly learn and improve your Japanese language skills with Kana Seito Defense, a typing defense game to learn the writing systems of Hiragana and Katakana, and to build proficiency in Kanji through fun, customizable game modes!

Coastal Defense is a fast paced, casual top-down tower defense game inspired by real-world coastal defense structures. Buy and upgrade your coastal defenses to defeat incoming navies!

A deck builder tower defense game, in which you create a deck of cards which can used to place down towers that can defeat incoming enemies. Complete campaigns, collect cards, and assemble the best deck!

Noble Rulers — 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.

This is a small and relaxing game in which you have to find objects made with pixels, within levels made with those same objects! Each level is unique, adorable and procedural, allowing you to play your favorite levels infinitely.

WINGMINE is a narrative puzzle game inspired by Minesweeper, entirely based on logic. Your special unit has been scattered behind enemy lines: analyze the terrain, defuse the mines, and save your team.

Bolide is an arcade roguelike where you survive waves in space to unlock new skills! Destroy rocks and survive challenging waves to earn skill points and use them to choose from a variety of skills. Pick from 40+ skills, allowing you to create lots of skill combinations!

Defend your Nexus by placing mirrors and buildings on the path of your projectiles. Deflect, empower, manage and solve each map using your creative and strategic mind.

Defend. Upgrade. Dominate. A relaxing incremental base-defense game, packed with powerful skills and a deep skill tree.

Buy towers and discover new islands as you prepare your defenses against waves of fish! Unlock new towers and affixes after each round with new play styles and new synergies. Build your defenses and experiment to create the ultimate fishing machine!

Tiny Europe is a strategy game in which you need to build your fortress in 60 seconds and then defend it from waves of enemies. Hold on as long as possible, it will be interesting!