Top similar games like Nebula Nexus:

Galactic Garrison is a sci-fi, turn-based tower defense game where you defend your base from relentless alien waves on Mars. Deploy soldiers, build barricades, and upgrade defenses to withstand attacks. Earn powerful reward cards to gain strategic advantages and outmaneuver your enemies.

East DefenseYour duty is to protect the castle by strategically building & upgrading towers to stop monsters from coming their way!

Project RTD is a Random Tower Defense PVP Game. Players will compete against each other, defending with randomly built towers or attacking other players by summoning monsters to become the “Final Winner”. The thrill of randomness and Strategic Tech Tree. Experience both in one game!

you will play as Gaia, the shattered will of a planet, and command your spaceship to explore new worlds, collect and refine various resources, build a home on the damaged spacecraft, summon a wide range of monsters, and ultimately, devour other shattered wills to repair yourself.

Crossfire: Legion is a real time strategy game featuring tactical action in furious battles across a shattered version of the near future. Raise and customize your army to engage in intense online combat and carve your own path as you rise through the ranks. It’s a new generation of warfare.

A strategic tower-defense where you control powerfull drones. Unlock new tower and use specific technologies to defend your base on Thukothea!

Stardock's classic 2001 real-time economic strategy game, available now on Steam. Dive back into the timeless battle for one of the most ruthless environments ever created: international trade.

Reverse Defenders is flipping the world of tower defense games on its head. Finding out your favorite builds of classes, skills, and abilities is only half the fun, because on the Flipside await new possibilities. Unlock the true secrets of this world and challenge yourself to get that perfect run!

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.

WARCANA is a fantasy inspired base defence, RTS game with a deck-building mechanic. Face hundreds of thousands of unrelenting monsters in a battle royale between 30 other mighty magicians. Build your deck. Prepare your defences. Summon your armies. Survive the onslaught. Be the last one standing.

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?

2089 - Space Divided is a classic science fiction real-time strategy game in which you collect resources, build up your base, train troops and destroy your opponents with tactical skill.

Lords of Cards is a multi-player, real-time deck building game. Create a deck of 90 cards that you select among more than 60 unique cards. Play them to recruit powerful units that fight in your name, build constructions that improve your economy or cast spells with various effects.

Guardians of Holme is a tower defense game with deckbuilding and roguelite elements. Players must use the terrain to their advantage and formulate defensive tactics by strategically placing powerful traps to repel endless waves of enemies.

Knightly Gnomes is a Top-Down Strategy game where you choose to play as either the leader of the Knights or Gnomes and control troops in order to fight the enemy faction.

Tired of Hearthstone? Just play Duelfront! Next-generation card game with innovative, map-based gameplay. Fun, fast-paced, and completely free to play.

you will play as Gaia, the shattered will of a planet, and command your spaceship to explore new worlds, collect and refine various resources, build a home on the damaged spacecraft, summon a wide range of monsters, and ultimately, devour other shattered wills to repair yourself.

An open-ended factory management game with RTS and tower defense elements.

A.I.Rising is a game about base building, attacking and defending and the life of NPCs in the digital world with the aim of creating a digital city.

A game in the genre of management strategy. Here you can build your own factory for the production of robots, and on another planet, and extract resources and test robots on other different planets.

Breaking the limits of strategy games by hosting thousands of ability combinations. Soulless Legions is a Free-to-Play Online PVP 'Tug O' War' Combination Strategy game that allows players a lifetime of customization and strategic inquiry.

Lane Siege is a fast-paced 1v1 online auto battler where strategy and timing are key. Deploy units, harness turret buffs, and cast powerful spells to take down your opponent's King. Outmaneuver your rivals in intense, tactical PvP battles!

Fully competitive game, where the goal is to dominate your enemy's land! To fulfill their objective, each player will assemble a team of heroes and a deck composed of items and spells. Get ready to enter an epic battle that unites the zodiac signs with the medieval fantasy world!

Party Demon is a tower defense, deck-building game where your main goal is to protect a Lady Demon’s birthday party from human intruders. Build your castle on a budget and defend it in real-time with a deadly Trap Deck full of demonic weapons.

Do you like Tower Defense games with Strategy elements? Well, look no further! We've got exactly what you're looking for! Get ready to defend your settlement from enemies using a huge arsenal of towers!

You've joined a guild before, right? So, where's the trouble in managing a guild of your own, too? Guide your heroes, raid some dungeons, and grow your guild to rise from the bottom of the ranks right up to the top in Heroes for Hire!

Strategically build your base & defend it from players and bots; in a world where anyone can meet up.

DEFENSURVIVOR is a strategy game where you build obstacles and place and move units to block zombies. There are various units with unique characteristics and powerful high-level units that can be obtained through combination. Use randomly given units to survive until the end!

Players resist enemy invasion by building production bases, constructing conveyor belts, upgrading carriers, and strengthening weapons.

Build your ultimate defense with a combination of powerful towers. Attack your opponent with strong Invaders. This game is sure to offer a unique and immersive experience for all tower defense enthusiasts!

Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!

『Let's aim! Professional e- shogi player!』The basic rule of shogi, "Move pieces alternately" has been blown away!The official title of the Japan Esports UnionShogi eSports「Real-time Battle Shogi」is now available on Steam!

Eternal Return is a free-to-play, 2.5D perspective Battle Royale game. Search, Craft, Hunt, and Fight using a variety of characters. Plan your strategy and become the last survivor on this eternal experiment.

Are you ready to take on the challenge and become a Checkers champion?