Games like Area 51 Defense

"Nation Red" is an adrenaline-pumping zombie shooter game, where you battle thousands of zombie mutants and their bosses in frenetic close-quarters combat. It offers three play modes, various perks, and multiplayer options. The game's narrative unfolds in a world where scattered groups of zombies were once a threat, only to re-emerge in the present day. Your mission: exterminate them before history repeats itself.

Welcome to "Super Smash Asteroids", a high-octane, top-down, dual-stick, rogue-like space shooter set in a futuristic universe. Choose from six unique ships, each with their own starting statistics and special abilities, and blast your way through hordes of enemies and epic bosses. As you play, level up and choose from a pool of over 70+ items to upgrade your ship and modify your base stats, unlo…

"Rising Hell" is a fast-paced, action-packed dungeon crawler game where players must fight their way through hordes of demons to escape from Hell. The game features randomly generated levels, ensuring a unique experience with each playthrough. As players progress, they can unlock new characters and talents to create chaos and unleash special abilities. The goal is to survive and climb out of the ever-changing depths of Hell.

"Let Them Come" is a pixel-style survival shooter where you play as mercenary Rock Guner, tasked with eliminating alien hordes on a spaceship. Upgrade and customize your arsenal, utilizing FRENZY mode for maximum damage, as you face an onslaught of diverse enemies and boss creatures. Competitive players can climb online leaderboards and unlock new mixtapes as rewards for their shooter prowess.

"Aliens & Asteroids" is a fast-paced, space-themed shoot 'em up game, drawing inspiration from the classic arcade game "Asteroids." The game features various enemies and bosses, power-ups, items, and five different enemy types with stronger elites. With four challenging bosses and multiple stages, players must upgrade their ship and survive against endless hordes of aliens while avoiding depleting their shields.

"Flying Tank" is a side-scrolling shoot 'em up game where you pilot a flying tank to reclaim the stolen Earth, either solo or with a friend through Remote Play Together. The game features 24 missions with various factions and adversaries, six main bosses, and numerous customizable weapons, bombs, and upgrades. With artwork by Zsolt Szabo and original music by Kubatko, the game also offers localization in multiple languages .

In "Project RIP," humanity faces extinction from undead and demon hordes, leading to the creation of an advanced AI, "R.I.P," to command specialized teams, the "Agents." Using captured undead souls, R.I.P. enhances Agent gear, weaponry, and abilities. Upcoming updates will add 2 endless horde maps, increasing the map total to 6, and featuring an endless defense mode within HQ. Your mission: salvage what's left of the world.

"Room13" is a one-man developed action-platformer game featuring non-stop zombie combat across randomly generated rooms. Armed with a customizable handgun, players must survive each round against hordes of the undead and unique Killtraps. Surviving a round unlocks the room and progresses the mystery of the player's identity, with opportunities for face swapping, weapon crafting, and boss battles.

"Zombie Parking" is a third-person shooter and survival horror game where you must fend off hordes of increasingly difficult zombies using a shotgun and machine gun. Power-ups such as first aid kits, bulletproof vests, and temporary boosts in damage and ammo can be found by defeating enemies. Unique mechanics such as using gasoline canisters as weapons and achievements that grant gameplay improvements add an extra layer of strategy to this indie title.

Critical Annihilation is a fast-paced, action-packed top-down shooter game. Players control a powerful aircraft equipped with a variety of weapons, battling against waves of enemy units in frenetic combat. The game features multiple modes, including a campaign mode with a branching storyline, and a survival mode for players to test their skills. With challenging gameplay and intense battles, Critical Annihilation offers an exciting experience for shooter fans.