Games like Orbital

"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.

"Colony Siege is a blend of RTS and tower defense gameplay, allowing you to defend your colony through base building, unit physics, and various weapons like towers, traps, and mobile units. Two enemy factions, the biomechanical xeno swarm and the corrupted Riven, require different strategies. The campaign offers single player and 2-player online co-op in a non-linear setting."

In "Infested Planet" , you command a small squad of soldiers against an overwhelming alien force, using strategy and tactical thinking to outmaneuver and outsmart the enemy. With 100,000 aliens closing in, you'll need to build defenses, equip your team with advanced weapons, and launch surprise attacks to capture and destroy alien hives. The ever-mutating alien army keeps you on your toes, demanding constant adaptation and innovation to survive.

"Deathtrap is a role-playing Tower Defense game with action-RPG elements, known for its unique mixture of both genres. Play solo or in co-op mode to defend strongholds and defeat hordes of monsters using deadly traps and spells. Despite some optimization issues and bugs, Deathtrap offers a good story, delightful mechanics, wonderful visuals, excellent music, and high replayability."

In "From Glory To Goo," manage a colony on a hostile alien planet, balancing resources and defense against Goo creatures. Procedurally generated maps, various biomes, and upgradable colony ships ensure a unique experience each playthrough. Recruit units, form alliances with aliens, and upgrade your colony to ensure survival.

"Star Survivor" is a rogue-lite survivor asteroids game, where you must carefully control your ship with Newtonian physics to avoid enemy swarms and utilize weapon placement strategy in 4 quadrants. Gain resources from each kill to unlock new ships and stack the odds in your favor. The game offers 3 modes: Campaign, Challenge, and Endless, with 6 unique ships and various weapons to build overpowered combinations.

"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.

"Revenge of the Titans" is a real-time strategy and tower defense game where you must defend Earth's bases from relentless Titan attacks across the solar system. Assemble defensive positions with turrets, droids, barricades, and mines, while managing funds by mining nearby resources. The game features a 50-level campaign, endless and survival modes, and numerous buildings and technologies to research.

"Cosmic Dust & Rust" is a 2D sci-fi shooter game with retro-style pixel graphics. Explore the cosmos, battle alien enemies, and upgrade your ship while navigating through challenging levels. The game features procedurally generated content, providing a unique experience for each playthrough.

In "Pixel Gladiator," you are a contestant in a popular intergalactic gladiatorial show, set on an abandoned planet. Fight off deadly creatures to survive and earn money for weapons and upgrades, all while keeping your audience entertained with brutal battles. Use turrets, traps, and strategic camera work to your advantage, and be prepared to face treacherous bosses. The goal: become the champion of this cruel and bloody spectacle.