Games like Cube Defender

"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."

"Terrorhedron" is a 3D tower defense strategy game, available for single-player and multiplayer co-op with up to 8 players. Its innovative mechanics include programmable turrets and 3D gameplay, providing a fresh, challenging, and intricate experience. Engage in cooperative defense against colorful Terrorhedron spheres in attractive abstract landscapes, with the goal of unlocking new upgrades and tracks.

"Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization, and replayability. Carefully plan your maze and build advanced structures to defend against alien hordes, using active abilities to tilt the battlefield in your favor. Level up and gain access to Perks, allowing you to specialize your strategies and master the game on all difficulties."

"Element TD 2 is a standalone sequel to the popular mod, offering 6 elemental types and 59 unique towers. Cooperate with up to 8 players to create elemental synergies and strategically place towers against increasingly difficult waves, culminating in an endless boss fight."

Tiny Tactics is a turn-based strategy game with pixel art graphics. Players collect and command a team of heroes, each with unique abilities and strengths, to defeat enemies and complete quests in a fantasy world. With various game modes, including PvE and PvP, Tiny Tactics offers a challenging and engaging experience for strategy enthusiasts.

"Conan Unconquered" is a fantasy real-time strategy game where players can team up in multiplayer co-op mode or play solo, building a stronghold and assembling a massive army to fend off hordes of enemies. The game boasts good mechanics, pretty visuals, and a sensational soundtrack, but can be very grinding and buggy. Players must rouse the lazy and feeble people of Khoraja to defend their kingdom from the tyrannical wizard Thugra Khotan.

Tower Factory is a game where you have to build a factory that allows you to create enough towers to defend yourself from enemies. You'll need to find and destroy the enemy castle before it becomes too powerful and its monsters overwhelm you! Features: Constantly build, expand, and upgrade your factory. Acquire resources to build more and better towers. Explore the map to locate the enemy…

"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.

"MarZ: Tactical Base Defense" is a strategy game that challenges you to build a defense base and fight off zombie hordes on Mars. The game features a 20-mission story campaign, skirmish mode with customizable waves of enemies, and an intense "Outbreak" mode. Utilize powerful terraforming tools to create custom maps and share them via Steam Workshop, and research new upgrades for your towers. Recently updated with increased technology options and reworked balancing.

In Siege of Centauri, you assume the role of protector for Earth's first interstellar colony, located in the Proxima Centauri system. Faced with a ruthless alien invasion, you must strategically deploy defense structures and utilize orbital abilities to repel the attackers. With a variety of customization options, adjustable difficulty, and multiple game modes, this real-time strategy game offers an engaging and immersive experience within the Ashes of the Singularity universe.