Top similar games like Hydraulic Empire:
Hydraulic Empire $7.99
Hydraulic Empire is a Tower Defense game with RPG elements focusing on strategy, interactions between mobs, and persistent upgrades. Hydraulic empire is a must have for any true Tower Defense fan, and for those that are not it is a gateway into the tower defense genre.
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Die, Pablo! - A tower defense adventure$9.99
The world famous chef Louis is mad! He animates all sorts of inanimate objects to attack the restaurant critic Pablo for an alleged bad review of his restaurant. Luckily, Pablo likes playing tower defense games and knows exactly how to defend himself!

Assault On Metaltron$6.99
Get ready to defend your metallic planet from human and orc invaders in this intense, challenging and addictive action tower defense game! Play solo or in cooperation on one pc!

Endless Defense: SurvivalFREE
This is a innovative roguelike TD game made with the 『CliCli』. No need for path planning or tower combos—just one tower! With almost 100 weapons, you’ll be mowing down foes and dominating the battlefield. Enjoy the rush and let off some steam!

Hellsinker.$9.99
A legendary SHMUP influential to the best makers in the genre, Hellsinker is now available on steam in its most advanced form! Gameplay, story, graphics, and even music all united into one cohesive and highly dimensional Shoot-em-up!

Pixel Descent$5.99
Pixel Descent is an action rogue-lite in which you navigate a series of complex dungeons packed to the brim with monsters that want you dead. Sign the contract and descend into the deepest depths of the abyss knowing full well that you will definitely die there, it's just a matter of when.

Inbound UFO$7.99
With a style inspired by the RTS games from early 2000's, a new tower defense combines in a unique way action, tactics, replay value and fun. They are here! Choose your targets, upgrade, replay, discover your enemies and your tactical skills.

Super Sanctum TD$4.99
Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!

HERO DEFENSE$29.99
CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis.

Damn Endless Orcs$1.99
Damn Endless Orcs is set in a medieval fantasy world, where human heroes battle relentlesly against an (you guessed it) endless horde of orcs. In this game you must survive and gather equipament to fight the horde and become earths mightiest hero.

Techno Tower Defense$1.99
A wave-based action game, where you fight to survive for as long as you can.

bugTDX$2.99
Buy, sell, and merge towers in this tower defense roguelike inspired by Bloons TD6 and Super Auto Pets. With 40+ towers and 15 enemy types, this chill tower defense game provides hours of fun replayability!

Oh no, orcs!$0.99
Oh no, orcs! is a pixel art archery shooter in which the player needs to stop hordes of orcs that will try to destroy the main gate and invade the fort.

End War RTS$2.99
Inspired by modern science fiction! A modern real-time war game, the screen is in the style of realism, the fast-paced attack effect is easy to fatigue, easy to use and simple to operate, mainly in the traditional style

Dungeon No Dungeon$6.99
Dungeon No Dungeon is a turn-based roguelike game with a unique hand-drawn art style, with a strategy system based around body parts that you've likely never encountered before.

MahJong - Medieval Fantasy$0.99
MahJong - Medieval Fantasy is the perfect game for the casual player looking for fun and extensive gameplay. The goal of this game is to match open pairs of identical tiles and remove them from the board. The game is finished when all pairs of tiles have been removed from the board.

The Waylanders$34.99
Slip the bonds of fate in this party-based RPG filled with Celtic myth and historical legend. Discover thrilling adventure alongside mortal companions and immortal allies as you explore the world of The Waylanders.

Camera Obscura$1.99
An ancient tower in a forgotten land. A lone photographer on a desperate search. Facing dangerous animals, crumbling architecture, and perilous pitfalls, can you reach the summit of the Tower, and perhaps, redemption?

The Dungeon Tower$4.99
Can you beat The Dungeon Tower? A Fun roguelike where you can select one of the heroes to battle against the tower. Increase your level, gain new skills and complete quests to personalize your hero to kill the lord! Try and die in this journey until you can get stronger power ups to beat the game!

Revenant Saga$9.99
Become a Revenant and find the truth beyond revenge in this gothic fantasy RPG with stunning 3D battles! Boasting a story that blurs the lines between good and evil, a refined 3D battle system, and plenty of content to go around, this is one title not to be missed!

Dice and the Tower of the Reanimator: Glorious Princess$5.99
This is a role-playing game with a dice-rolling mechanic. You must use your dice and wits to overcome the many obstacles in the tower and find an elixir to save the Glorious Princess.

Countless Army$9.99
Be the villain in this Reverse Tower Defense. Send waves after waves of troops to break the enemy defenses. Summon, upgrade your troops and conquer the whole world.

EURGAVA™: Fight for Haaria$4.99
EURGAVA™ - Fight for Haaria, a reaction-based combat rpg where you struggle to rebuild your broken village, learn the fate of your home country, and restore its order. Get ready!

Pix Tower$1.29
Fight and defend your tower! Upgrade the level, explore and upgrade your tower! Use passive and active effects to facilitate the achievement of a new record!

Asdivine Hearts$9.99
Restore the balance of light and shadow in the world!Beautiful hand-drawn visuals and a story of epic proportions bring Asdivine Hearts to the forefront of PC gaming! Travel alongside four companions and a cat in this fantasy 2D turn-based RPG!

Seal the Rift$17.99
Discover an endlessly replayable roguelike deckbuilder. Craft a unique deck, collect powerful relics, harness potent magic and enhance cards with "Boost" to overcome the challenges ahead as you set out to Seal the Rift!

Blood Card$14.99
This card game combines elements of roguelike and deckbuilding. During the game, you shall strive ahead, gathering cards to build a unique deck and use it to defeat the enemies getting in your way. You will have to choose between escaping or try to defeat Death, who is relentlessly pursuing you.

Yōdanji$4.99
Coffee-break rogue-like themed after Japanese folklore tales.

Tower Defense: Defender of the Kingdom$2.99
Defender of the Kingdom: Tower Defense is a colorful medieval tower defense strategy game where orcs and their horde attacked the kingdom and now the fate of the kingdom is in your hands, defenders!

1BIT CASTLE REMAKE$3.99
Dive into 1BIT CASTLE: REMAKE, a strategic action-packed tower defense game. Choose heroes and perks to fight off evil monsters. Enjoy captivating pixel art while protecting your treasures in this addictive adventure with endless mode!

TowerDefenceDesigner$0.99
A self-built level tower defense game where you compete with friends and online players to see whose creativity is more popular. You control the game content, design the difficulty level, come create your own tower defense game!

Endless Road: Reborn$9.99
Endless Road: Reborn is a roguelike card game published by Sula Box Games where players use a variety of equipment & skills to defeat vile creatures lurking along a treacherous, endless road. Players will also be faced with choices that will test their decision-making abilities and survival skills.

Artifact Adventure Gaiden$9.99
Experience the Game Boy-like design and 2D open world of this retro JRPG. The choices you make are all up to you, and they may end up providing invaluable help in the future, when disaster strikes... Embark on an adventure in which you sew the threads of your own future.

Soda Dungeon 2FREE
Everyone’s favorite laid-back dungeon crawler returns in Soda Dungeon 2. Featuring a new adventure, a whole town to upgrade, crafting, new classes, alternate dimensions, and more! It’s everything you loved about the original plus all the stuff you’ve been asking for.

Elemental Defenders TD$0.99
A Tower Defense where the Towers are moving around the enemies. With over 200 towers and endless mode. There is almost infinite strategies.

Bound By Blades$10.99
Bound By Blades is an Indie Action-RPG with a focus on intense boss battles. Experience the thrill of Boss Rushes with the wholesomeness of a cozy Indie RPG as you confront ferocious foes, collect loot, and craft epic gear to fortify yourself for the challenges ahead, solo or in 2 player co-op!

Books of Grandura$9.99
Play an auto battler, a traditional roguelike or a tower defense and experience the world of Grandura. Reuse what you've learned about the creatures, abilities and items that are found in this world and apply them in different game modes.

Kingdom Rush Origins - Tower Defense$14.99
Command your elven army and defend mystical lands from sea serpents, evil sorcerers, and wave after wave of gnoll tribesman, all with the help of brand-spankin’ new towers, heroes, and spells to fend off every last baddie.

Luna & Monsters Tower Defense -The deprived magical kingdom-$12.99
This is the story of a world-traveling black cat named Luna and vicious monsters! Increase population and mana with production towers to defend! The ultimate challenging Tower Defense!

Glitch Puzzle$1.99
Glitch Puzzle is a classical puzzle in unusual anime style.

Smelter$19.99
You are Eve, fresh out of Eden and armed with a living suit of armor, Smelter. Explore a dangerous new world, battle its bizarre denizens and expand your empire in a desperate journey to find Adam.

Toy Soldiers: Complete$14.99
Bring your toys to life in this action-packed, Toy Soldiers game bundle which includes the original Toy Soldiers, Toy Soldiers: Cold War, and all four DLC’s – Kaiser’s Battle, Invasion, Napalm and Evil Empire.

Plebby Quest: The Crusades$19.99
Survive ambitious rulers dreaming of an empire, outsmart treacherous neighbors longing to burn your spoils, and navigate the religion’s predictably unreasonable demands; you need ask only one question as you build your legacy – “Will you burn them, or be burnt?”

Tomb of Tyrants$7.99
Claim and defend the Tomb of Tyrants against greedy adventurers by matching tiles to build a deadly dungeon full of traps, minions, and more!

Sephirothic Stories$14.99
When the world tree begins to wane, what will become of the balance of the world? Discover the truth behind the world tree's waning power in a fantasy RPG! Navigate trap-filled dungeons using only your mind and wit to conquer challenging puzzles!

Peglin$19.99
Peglin is a Pachinko Roguelike - Fight enemies by collecting special orbs and popping pegs to deal damage. Acquire special relics that radically change the game and ensure no two runs are the same. Aim carefully to survive in this unique turn-based RPG!

Dead Age$14.99
Survive the zombie apocalypse with a “Final Fantasy” turn-based combat and permanent death! Manage survivors, craft materials, and make difficult decisions. Defend your camp against hordes of the undead to prevail in this non-linear rogue-lite (comparable to FTL). Innovative Indie Survival-RPG!

Tales of a Spymaster$11.99
Break from the traditional role of ruler and take up a new set of tools within Tales of a Spymaster, a turn-based strategy set in a fictional world, filled with threats and opportunities. Choose your kingdom and guide your ruler to victory, in whatever manner you deem fit.

Deathtrap Dungeon Trilogy$6.99
A digital adaption of the iconic Deathtrap Dungeon trilogy of books by Ian Livingstone. Play as a novice adventurer and rise up through the ranks in this epic tale of deadly traps, fearsome monsters and devious adversaries.

MatchyGotchy Z$5.99
MatchyGotchy Z is a colorful digital pet game that combines idle clicker elements with a new take on pet-raising simulation: trainable personalities. All the nostalgia of those old virtual pets, fully adapted into a new desktop gaming experience.

GhostControl Inc.$18.99
Manage a team of ghosthunters and free London from paranormal terror in turn-based battles. Develop your own strategy and build your business well.

A Healer Only Lives Twice$4.99
All You Need Is Heal! Monsters have cornered you in the dungeon corridors. As a newly hired Priest, your duties are to use your magical abilities to heal your comrade, a Knight on the front-line, and provide support during battle. Will these two brave souls live to see the light of day again?