Games like Invictus

Fieldrunners is a single-player warfare strategy game offering around 10 hours of playtime, available on Steam. It features 8 unique maps, a variety of upgradeable towers, and 10 devastating weapons to defend against waves of land and air combatants. The game boasts stunning, hand-painted artwork and provides replayable challenges for endless entertainment.

SpaceShot is a challenging arcade game where you fight off alien invaders and collect bonuses, with three engaging game modes. It boasts of over 4500 achievements, gamepad support, and pleasant graphics, making it an ideal choice for passing time. With its low price point, this game offers a fun and immersive experience for players of all ages.

Pewt 'em Up! is a retro inspired arcade space shoot 'em up with lots of upgrades, achievements, extras and more.

Space Scavenger is a turn-based strategy game set in space. Assemble your fleet, manage resources, and engage in battles with alien ships while exploring different planets and galaxies. Your goal is to unravel the mystery of Pad-X1, the ancient alien technology, and find your way back home.

Zotrix is a single-player shooter game inspired by classic arcade machines, featuring brightly colored enemies and over 50 missions. Gameplay involves escorting cargo ships and avoiding enemy attacks, with rewards used to upgrade ships or purchase new ones. The game emphasizes repetitive arcade-style gameplay, requiring players to "grind" to progress.

"Celestial Command" is a challenging space shooter game that tasks players with defending their space station from waves of enemy ships. With a variety of weapons and upgrades to unlock, players must strategize and adapt to survive as long as possible. The game features a unique art style and frantic gameplay, making it a must-try for fans of the shoot 'em up genre. Reference: steamid: 330460 Fact

"Starr Mazer: DSP is a single-player Science Fiction Action game with outstanding gameplay, awesome graphics, and a wonderful soundtrack. In this side-scrolling shoot'em up, you control a squadron of pilots with diverse skills and weapons, battling through nine intense levels to take down the G'ell Super Ship. The roguelike twist on the lives/continues system, combined with the ever-evolving SK:ORE system, ensures that the fight never ends."

"Guns n Zombies" is a thrilling post-apocalyptic game where you fight against hordes of robotized zombies infected by a nano-virus. With a variety of weapons, special abilities, and turrets, you'll embark on a dangerous journey through a randomly generated gameplay. The survival mode allows you to challenge yourself and compete with other Steam players, all while experiencing a true post-apocalyptic atmosphere.

"Xion" is a single-player action game that revives 90's arcade shoot 'em ups with a destructible voxel landscape and customizable spaceship. Players can blast through randomized levels, defeat end-bosses, and enjoy the detailed graphic style. However, the game is known for its bugs. The goal is to provide a refreshing and challenging experience, with the opportunity to build and upgrade your own spaceship.

Tee Time Golf is a realistic virtual golf experience, set in the picturesque Barker's Crest course. With precise controls and accurate physics, players can enjoy a challenging game of golf in a beautiful and immersive environment. Featuring multiple game modes, including stroke play and match play, Tee Time Golf offers a satisfying and engaging golfing experience for players of all skill levels.