Top similar games like Galactic Garrison:

Warpips is the ultimate quick to learn but amazingly deep tug-of-war strategy game. Deploy the right composition of soldiers, tanks, helicopters and planes in this tight, streamlined strategy-focused war game. Compose the best army, research the right tech; overwhelm your enemy!

Jump into a realtime strategy, action filled battlefield, deploy relentless soldiers, unlock powerful troops and vehicles, upgrade your army, decimate the enemy. If that's not enough, jump into a chaotic Zombie mode, with traps, fun upgrades, and a new gameplay!

Join our machine legion to conquer the world.

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.

Button Pop is a 3D Tower defense game fused with Button mashing chaos. Construct the deadliest defense strategies by unlocking powerful traps and turrets across a variety of terrains, while building your very own button with the rewards of your adventures!

Sentry System is a tower defense roguelike where you collect, modify and upgrade your sentries while progressing through a network of challenging encounters.

Bite size colossal battle! Build an army in minutes as infantry upgrade with orbital drops into war machines! Then combine those machines to form the giant Mantlet mech! All while bullet hell rages! In a transhuman future, command Mantlet One to secure New Terra!

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!

Tower Defense with resource- and base management! Waves of enemy robots with special abilities, shield and armor! Mining, refining and production for building and repairing! Environmental hazards and the best: the Orbital strike!

Rule the battlefield from orbit! Crystal Nexus: Alien Siege is a hybrid deckbuilding tower-defense game that puts you in charge of outposts on hostile alien planets. Look down on the battlefield from your space station and deploy towers, weapons, and buffs from the cards you’ve collected!

A strategic and action-packed base survival game where you mine crystals, build units, and defend your base against waves of UFOs. Defeat enemies, gather resources, and unlock new planets to expand your defenses. Are you ready to conquer the galaxy?

No Surrender Heroes is a real-time epic battle game set in the No Surrender Universe.

Build your towers, plan your efforts, watch out for changing paths and strike back against the alien invaders in this challenging tower defense game!

Be the ultimate CEO and military strategist in this genre fusion of strategy and business management. Create your own company, hire employees, research weapon technology, and take control of units on the battlefield to defend the moon against an alien invasion. Aliens down, profits up!

A roguelite kingdom builder. Backpack TD combines backpack mechanic with tower defense and card-based gameplay. Develop your base, make powerful fusions, defend your kingdom against waves of enemies. Use new playstyles, tactics and create insane builds to defeat your enemy!

Mineral Defense combines tower defense with roguelite elements and procedural generation. Build paths, unlock upgrades, and unleash powerful synergies to conquer evolving challenges in an ever-expanding world.

Flaregate Network is a roguelike deckbuilder with RTS-inspired spaceship combat. Build a unique deck, then pilot it—and your fleet—to victory!

Gear up and get going! Defend your outposts from waves of alien enemies with your mech. Build and upgrade your base, protecting the extraction of the mysterious planetary system’s rich resources!

Valdis est un hybride dynamique tower defense et third-person shooter en univers sci-fi. Défendez le noyau énergétique d’une station spatiale contre des vagues de zombies, combinez tourelles et éléments, déclenchez des réactions dévastatrices et survivez avec votre fusil à pompe !

"AI.Gears" offers innovative robot combat with diverse, customizable robots and 1v1 matches. Featuring reinforcement learning AI, it provides rich PvP and PvE content for a diverse combat experience. Join the world of varied robot battles in "AI.Gears."

Towers together is a cooperative tower defense game with cards. Combine your cards with your friends’ cards to achieve powerful combo, but get ready to fail and laugh together. Build towers, cast spells, have fun with friends!

Classic Warcraft III TD customs meet roguelike strategy. Summon and merge units to evolve them into legendary figures like Joan of Arc, Guan Yu, and Lovecraft—Legendary heroes from across time and space await! Prove your ultimate synergy against endless waves of enemies.

A roguelike deckbuilder fused with real-time tower defense. Craft your deck, protect your base, slay endless enemies, and survive as long as you can.

Employ lethal turrets, traps, and gadgets to defend against an onslaught of evolving creeps! Step into a twisted, hyper 3D, mind bending realm. Upgrade and adapt your defenses. Become a master maze crafter. Collect bizarre artifacts. Rush creeps for lucrative rewards, and succumb to greed!

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?

This is an auto-battler game featuring large turn-based elements with small real-time aspects, and it has an off-battlefield growth system. Develop your camp, upgrade your characters, refine items, freely combine cards during battles, and use well-timed construction to complete levels.

Bulwark is a medieval-themed 2D pixel tower defense game with a dynamic block-based building system. Construct and fortify your castle, manage resources, and recruit troops to defend against waves of enemies. Build, strategize, and adapt in this unique blend of fortress construction and combat.

The Last Mission is an auto-battler and space battle simulation game where you command a fleet of spacecraft in vast, strategic battles. Equip, configure and upgrade your ships to be ready to battle the enemy.

Build your deck of monsters and heroes, each with unique skills, and battle to destroy enemy towers! Collect mana, unleash powerful strategies, and join the fight directly as your hero to claim victory.

Roguelike strategy game with nonlinear story. Build your army from hundreds of units, buildings and upgrades. Create insane builds to turn the battlefield into a kill zone! Make desicions that will determine the outcome of the global conflict!

TAVU is a PvE RTS game with a tactical combat system. Build your bases and defend them against waves of enemy attacks. Upgrade your units and destroy enemy bases to gain new territories and resources.

Defend the energy cores from ever increasing enemy waves by destroying their spawn gates. Build tower mazes on Hex grid. Adapt them to dynamic changes in the terrain. Face quirky bosses. Design your own levels and share them on the Steam Workshop.

Defend attacks from enemies from all directions within a limited time. Only by making full use of the differences in each tower and choosing appropriate random rewards can you survive.

Step into a chicken-themed tower-defense roguelike where you build and upgrade your coop, think up strategies during the day, and hope to survive when night falls. Wild predators lurk in the dark, ready to tear down your defenses! COTS is action, strategy, collectible cards…and of course, CHICKENS!

Defend the Crucible from waves of enemies. Grow your economy to new heights, research and be always one step ahead. The Crucible must be completed!