Games like Shattered Horizon

Overload is a Sci-Fi shooter game with both single-player and multiplayer modes, offering an engaging story campaign across 15+ atmospheric levels and various customization options. With 16 upgradeable weapons, over 20 robot types, and a pulse-pounding soundtrack, this game delivers intense action, awesome graphics, and high replayability, including Challenge Mode and survival challenges. However, be prepared for some grinding.

"Boundary is a tactical multiplayer shooter where players, as Astroperators, engage in zero-gravity combat in space installations. The game offers personalized space suits and weaponry, promising intense 3D battles. However, it has been noted for being very grinding, having bugs, and requiring patience."

"DRONE The Game" is a free demo version on Steam, modeling itself after classic shooter games with drone combat. The full version is planned to be free in the near future, offering updates and modifications from Earth 2. Currently, players may experience issues with purchasing the game, but support is available on the official Discord server.

"Brink is a first-person shooter set on the Ark, a floating city divided by conflict between original inhabitants and refugees. The game offers both single-player and multiplayer modes, allowing for 2-player co-op and competitive multiplayer. Despite good gameplay, visuals, and extensive customization, Brink is poorly optimized and bug-ridden."

Interstellar Marines is a tactical sci-fi First Person Simulator, inspired by movies like Aliens and games like Half-Life. It offers singleplayer and co-op/PvP gameplay, with dynamic environments and non-scripted AI. The game aims to evolve the FPS genre with its blend of sci-fi, role-playing, and military realism.

Hawken is a sci-fi shooter game with fabulous gameplay and splendid graphics. It offers multiplayer and single-player modes, allowing 2 players or more to control customizable, upgradable mechs in fast-paced combat. The game promises an explosive and fun experience for players in a dystopian world.

Natural Selection 2 is a unique game that combines elements of first-person shooter and real-time strategy. Players can choose to be a marine or a alien, each with their own unique abilities and roles. The human Commander supports their team with resources, structures, and weapons, while the alien Commander grows hives and spawns eggs to spread infestation. With two distinct sides and a variety of lifeforms to play as, Natural Selection 2 offers a challenging and dynamic gameplay experience.

"Nuclear Dawn" is a first-person shooter and real-time strategy game hybrid. Players can choose to play as either a commander, controlling their team's base and resources, or as a soldier, engaged in tactical combat. The game is set in a post-apocalyptic world, where two factions, the Consortium and the Empire, fight for control over the ruined lands. The ultimate goal is to destroy the enemy's base and secure victory.

In "Vox Machinae" , pilot a massive mining machine in the Serus System and protect your company's resources from a hostile force. Customize your Grinder with various weaponry and engage in an immersive single-player campaign or seamless multiplayer action. This tactical VR simulator boasts responsive action and is built for a seamless VR experience.

Angels Fall First is a first person combined-arms sci-fi wargame. From commanding the battle standing on the bridge of your flagship all the way down to frantic infantry firefights - AFF brings together all the combat you ever wanted. Featuring tactical team-oriented gameplay and offering a wide selection of weapons, tools, vehicles and spacecraft, AFF focuses on objective-based scenarios with a h…