Games like Alien 911

"Sentry" is a Science Fiction Shooter game that offers various play options, including single-player, co-op for 2 players, and multi-player. As a member of the SENTRY Defense Program, your mission is to protect your vessel while it flees across space, using an arsenal of weapons, traps, and environmental destruction to fend off alien boarders. If your SENTRY falls in battle, another crew member will be thawed to continue the fight, ensuring that defeat only changes the strategic landscape aboard the ship. The game boasts beautiful gameplay and outstanding visuals.

"HYPERCHARGE: Unboxed" is a team-based tower defense game where players protect a toy store from waves of enemy robots. Players can unbox and deploy a variety of toy weapons, traps, and defenses to hold off the enemy. Cooperative play with friends is encouraged, as communication and teamwork are key to success. Fight to keep your toy store from being overrun!

"ENDLESS™ Dungeon is a roguelite tower defense game set in the award-winning ENDLESS™ Universe. Play solo or with friends, recruit heroes, and upgrade your gear as you navigate through an infested space station. The 'Last Wish' Edition includes exclusive skins, artbook, and soundtrack. Participate in the GAMES2GETHER community for in-game rewards and the chance to influence game content."

"Outpost: Infinity Siege" is a strategy game where players build their own outpost, gather resources, and explore different zones. The Vanguard Edition includes exclusive outpost components and a unique weapon with various attributes. Cooperative gameplay is also featured, allowing players to battle alongside others in various difficulty levels. Note: The above summary is based on the information provided in the game's description and is not an official summary.

BUY THE FULL GAME About the GameOVERVIEWAlien-911 Prologue is a free-to-play intro to our hybrid 3rd person shooter and tower defense game. This is our first game and we're excited to bring it to the Steam community.LIMITATIONS OF PROLOGUEThis prologue version is limited to 3 character classes (out of 4) and 5 maps (out of 22) and caps experience upgades to level 6 (out of 50). The goal is to gi…

"Earthfall is a Science Fiction Shooter game with single-player and multiplayer co-op modes for up to 4 players. Battle an extraterrestrial invasion in the Pacific Northwest using futuristic weaponry and deployable barricades. Experience tense, procedurally generated gameplay and a well-crafted story across 15 levels."

Sanctum 2 is a Tower Defense/FPS hybrid game where you protect oxygen-producing Cores from hordes of aliens. Choose from four character classes, customize your loadouts, and utilize elements from multiple gameplay genres to succeed in this intense and strategic game. Build defenses and then jump into the action to take out enemies in the FPS mode.

"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."

Red Solstice 2: Survivors is a real-time strategy game that combines single-player and multiplayer co-op modes for 2-8 players. As the leader of a secret task force, command your squad to fight against STROL mutants and find a cure for the virus threatening mankind. With deep strategy and engaging combat, quickly make decisions to survive in this harsh world. The game boasts marvelous mechanics and beautiful visuals, but be prepared for some grinding and bugs.

GROSS is a comedy shooter game that combines tower defense and first-person shooter genres, offering a unique and innovative gaming experience. As a single-player, you must defend your base against enemy waves by building barricades, turrets, and traps. Experiment with different combinations and enjoy the freedom to sell and rebuild until the combat phase begins, making for a strategically satisfying gameplay.