Games like Guard Protocol

In Mecha Knights: Nightmare, play as a pilot in the year 2049 amidst a cold war and apocalyptic chaos caused by otherworldly creatures. Battle these monsters in customizable Mechs across 20 campaign missions, upgrading and equipping your Mobile Armor with new weapons and resources. Experience a single-player story of survival and large-scale operations during humanity's fight for survival.

"Northend Tower Defense" is a strategy game with big battles and smooth performance. Choose from over 20 unique units, each with their own abilities, and upgrade them as you progress through 8 different levels. Use skills as the commander to turn the tide of battle in your favor.

"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."

Deep Among the Swarm is a challenging survival RTS roguelite where you defend against massive waves of monsters while expanding your base and collecting resources. Customize your units and buildings with various weapons, armor, and upgrades to strengthen your army. Use meta progression to improve your chances as you dive deeper into the swarm.

"Uragun is a single-player Science Fiction Hack and Slash game with stunning visuals. As a Mech unit, you must navigate through a world overrun by corrupted AI, with the goal of finding your missing pilot friend. Levels feature handcrafted design and randomized enemy placement, providing unique challenges in each playthrough, and allowing you to research new skills, mod your Mech and its weapons, and customize your Mech's look."

"Mech Armada is a single-player Warfare Turn Based Strategy game, offering around 17 hours of playtime with no two runs being the same. Command your own team of custom-built Mechs, upgrading from over 80 unique parts, in deep grid-based combat against The Swarm's bosses. Procedurally generated levels with varied post-apocalyptic environments create a challenging and engaging experience."

Heart&Slash is a single-player Science Fiction Hack and Slash game, where you play as Heart, a robot fighting to escape the grip of the evil machine QuAsSy. The game features 3 worlds, unique enemies and weapons, and perma-death with persistent progression. Despite its small development team, Heart&Slash boasts ingenious graphics, spectacular gameplay, and a beautiful soundtrack, though it is known to be buggy.

Orbital Bullet is a 360-degree radial shooter with roguelite elements. Players control a space pilot fighting through procedurally generated levels filled with enemies and bosses. The game features destructible environments, unlockable skills, and a unique circular level design that allows for constant movement and action.

Warpips is a single-player real-time strategy warfare game with exceptional gameplay, delightful graphics, and exceptional music. The game features easy-to-learn but hard-to-master mechanics, with randomly generated battles and no complex micromanagement. With a diverse roster of units, a fully unlockable upgrade tree, and infinite strategic combinations, Warpips promises a highly replayable experience with no microtransactions or pay-to-win.

Metal Thunder is a tactical combat game where you pilot and upgrade an AC-130 gunship through ever-changing battlefields. Adapt to dynamic environments and unpredictable enemy tactics by customizing your loadout and making split-second decisions. Each mission presents unique challenges requiring skill, endurance, and strategic upgrades to dominate the skies.