Games like Defense Task Force

"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.

"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."

"Anomaly Defenders" is a reverse tower defense game where players protect an alien tower from human invaders. Players strategically deploy and upgrade defensive units, utilizing special abilities and upgrades to fend off the human threat. With a focus on fast-paced, tactical gameplay, Anomaly Defenders offers a unique twist on the traditional tower defense genre.

Hero Defense is a fantasy tower defense game where players summon heroes and build defenses to protect their kingdom from invading hordes. Players can upgrade heroes and towers, collect loot, and complete quests to unlock new content. With various game modes, including a story-driven campaign and survival mode, Hero Defense offers a challenging and engaging experience for strategy fans.

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.

"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.

Warstone TD is a fantasy tower defense game where players strategically place towers and units to defend against hordes of enemies. With various game modes, heroes, and towers to choose from, each level presents a unique challenge. The game features a compelling story campaign, online PvP, and co-op gameplay, offering a rich and immersive tower defense experience.

"Last Hope - Tower Defense" is a zombie-themed tower defense game with over 140 levels and a variety of heroes and towers to choose from. Players must defend against zombies, raiders, and other threats in an open world. Each hero has unique epic gear and skills, and towers have their own research tree to enhance their power. The game features stunning 3D graphics and offers different game modes including a story mode, raiders mode, and arena mode.

"Sentinel 3: Homeworld" is a sci-fi tower defense game with an epic campaign across 20 levels and over 20 unlockable weapons. A powerful commander unit can level up and gain new abilities, and customization of weapon loadouts is encouraged. Endless modes, Steam achievements, and exclusive music by Specimen A are also included.

Defender's Quest: Valley of the Forgotten is a strategic tower defense game with RPG elements. You command a party of characters with unique abilities to defend against hordes of monsters attacking from all sides. The game features a detailed story, challenging levels, and a variety of upgrades to customize your characters' abilities. Gameplay involves strategic positioning and timely use of character skills to survive increasingly difficult waves of enemies.