Games like Cosmic Dust & Rust

"Taur is a single-player action-strategy sci-fi game with wonderful mechanics and fabulous visuals. Command the Prime Cannon, unlock and upgrade weapons and abilities, and build defenses to withstand different types of attacks. Every object in the environment is destructible, providing a tactically engaging experience, but beware of the heavy grinding."

"Tactical War: Tower Defense" is a challenging tower defense game that tests your strategic skills. Protect your base with 5 types of upgradable towers, using special abilities like teleport and mine to aid you in difficult situations. With 20 balanced levels and the ability to destroy landscape objects to place more towers, this game offers a unique twist on classic tower defense gameplay.

"Rock 'N' Roll Defense" is a challenging tower defense game where you must protect rock concerts from various minions threatening to end the party. Choose your band, place and upgrade speakers, and employ strategies across 40 stages with 20 enemy types, including four bosses. The game features a rocking soundtrack with 10 music tracks from amazing artists, which can be downloaded for free.

"2112TD: Tower Defense Survival" is a futuristic tower defense game with strategic base building elements. Defend your refinery from alien invaders across procedurally generated levels with a variety of turrets and special abilities. Upgrade and customize your arsenal to survive increasingly challenging waves in this intense, sci-fi tower defense experience.

"Battlevoid: Harbinger is a hard sci-fi space exploration game, combining turn-based strategy, real-time space battles, and roguelike elements. As a young commander, lead your fleet to unknown galaxies, making decisions about fleet and equipment while dealing with surprising elements and battling for survival. Strategy, tactics, and resource management are crucial in this challenging space adventure."

"Bit Blaster XL" is a fast-paced, arcade-style score-chaser game where you control a ship that cannot stop moving. Avoid crashing into enemies by turning left and right, and use boost/brake to navigate through an ever-increasing amount of obstacles. Collect ammo and power-ups to survive longer and beat your high score. The game features simple mechanics, re-playability, and extra ships to unlock.

"Ancient Planet" is a Tower Defense game where you defend an ancient civilization's stronghold from invasive alien hordes using upgradable towers and diverse strategies. The game features 40 unique levels, a variety of enemy types, and improvements that can be reset and redistributed at will. The game's storyline and setting are based on the memories of intergalactic war veterans and were created with input from the High Council of Intelligent Civilizations of the Galaxy.

Dead Effect is a sci-fi FPS game with over 5 hours of single-player campaign, featuring 12 missions and a gripping story. Survive against hordes of zombies in Survive and Biohazard modes, and explore multiple rooms for extra items and ammo. With a unique set of achievements and the special ability of Bullet Time, prepare for an intense and immersive experience.

"Guns n Zombies" is a thrilling post-apocalyptic game where you fight against hordes of robotized zombies infected by a nano-virus. With a variety of weapons, special abilities, and turrets, you'll embark on a dangerous journey through a randomly generated gameplay. The survival mode allows you to challenge yourself and compete with other Steam players, all while experiencing a true post-apocalyptic atmosphere.

"Over 9000 Zombies!" is a frenetic first-person shooter where players must survive waves of zombies in various maps. Utilize a wide range of weapons, from pistols to grenade launchers, to annihilate the undead hordes and progress through the game's challenges. With online co-op mode, team up with friends to exterminate the zombie menace together. Fight for survival and prove your mettle against over 9000 zombies!