Games like Spec Defense

"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.

"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.

Ancient Planet Tower Defense is a single-player Strategy game with an interesting plot, offering great gameplay, beautiful graphics, and a spectacular soundtrack. Marketed as an offline Tower Defense game, it allows players to enjoy the Tower Defense experience without ads, registration, or loot boxes. However, some players may find it to be quite grindy. Overall, it's a solid choice for fans of the Tower Defense genre.

In Kingdom Rush Vengeance, players help the medieval villain Vez'nan seek revenge by commanding armies to defeat enemy forces across various stages. With a wide range of tower upgrades and special heroes with unique abilities, strategically placing and timing defenses is crucial to stop enemy advances. This tower defense game features new environments, enemies, and bosses compared to its predecessors, providing a fresh challenge for series fans.

Defense Grid 2 is the sequel to the original tower defense game, Defense Grid: The Awakening. It features a new story campaign with 21 maps, dynamic level movement, and an expanded cast of characters. The game also includes challenge mode experiences, multiplayer modes, and a level creation tool set for players to create and share their own levels. The Steam Special Edition comes with additional content.

In Artisan TD, join the Artisan's Guild to conquer the Archipelago of Chaos, building tower mazes to free corrupted magical warriors' souls and defeating 4 primordial TITANS with a wide range of actions and upgradable towers. Experience 30 unique maps, vanquish specific minions, and manage a small economy, all with handcrafted passion and precision. Playable with a controller and optimized for large screens and 4K.

"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.

"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.

Radiant Defense is a free, vibrant defense game featuring 14 missions and over 300 waves of invading aliens. Customize your space fortress with nine upgradable weapons, three superweapons, and various routes for enemies. In-app purchases offer additional tactical options to enhance your gameplay experience.

"Kingdom Rush 5: Alliance TD" is a strategy game where players join forces with unlikely allies to defeat a powerful evil. Players can control two heroes on the battlefield and command a variety of units, including Paladins, Archers, Mages, and Necromancers. The game features fast-paced and captivating gameplay, with the possibility of units arguing and causing chaos, adding a unique twist to the strategy genre.