Games like Earth Defense Force: Insect Armageddon

"Earth Defense Force 5" is an arcade shooter set in 2022, where you join the EDF to fight against enormous alien invaders, known as the Primers, in a battle to save the earth. With a variety of missions and weapons, up to four players can play online co-op or local split-screen, fighting against the intelligent humanoid aliens that the series has introduced for the first time. The game promises to bring depths of despair and heights of joy, making it the most jam-packed entry yet in the EDF series.

"Earth Defense Force: Iron Rain is a third-person shooter game where you play as an EDF soldier fighting against an alien invasion. With a wide variety of weapons and armor to choose from, players must strategize and adapt to overcome hordes of aggressive enemies. Experience a thrilling and immersive single-player campaign or team up with friends in multiplayer mode."

Serious Sam 3: BFE is a fast-paced first-person shooter set in a fictional, ancient Egypt. Armed with a vast arsenal of weapons, players confront hordes of hostile alien creatures in frenetic combat across diverse environments. The game features single-player and multiplayer modes, with expansive level design and challenging enemy encounters that emphasize action and survival.

In Red Faction: Armageddon, players return to Mars to fight off alien invaders in a destroyed underground civilization. As Darius Mason, they'll utilize advanced weaponry and the Nano Forge to survive and protect the red planet. The game features both single-player and multiplayer modes, with the latter including infestation mode where players cooperatively fight off hordes of enemies.

"Serious Sam II" is a warfare shooter game that features both single-player and multi-player modes, with up to 2 players in local co-op and split screen. The game offers a good plot, spectacular gameplay, beautiful visuals, and good music, but can be very grinding with some hilarious moments. As Serious Sam, you must rescue the universe by battling overwhelming hordes of time-traveling enemies across various environments to bring down the villainous Mental.

"World War Z: Aftermath" is a co-op third-person shooter game based on the film, where players battle swarms of hundreds of zombies in fast-paced gameplay across various locations worldwide. The game features a new first-person mode and gore systems for satisfying action. Humanity is on the brink of extinction, and players must band together to defeat the horde and outlive the dead.

"Aliens: Fireteam is a third-person survival shooter set in the Aliens universe, where players battle through four campaigns with up to two additional players or AI. The 'Into the Hive Edition' includes a new campaign and the 'Ultimate Edition' offers additional DLCs, weapons, and the full suite of Endeavor Pass cosmetic DLCs. Build your fireteam and explore the mysterious planet LV-895."

Front Mission Evolved is a third-person shooter set in 2171, where the world is divided into two superpowers, U.C.S. and O.C.U. After an U.C.S. orbital elevator is destroyed, young engineer Dylan Ramsey is caught in a new war between the two factions. The game features fast-paced action in various locations, customizable weapons and parts, and online multiplayer.

"Renegade Ops is a destructive action-packed game where you fight to stop the madman Inferno from achieving global domination. Play solo or in 4-player online co-op, with a variety of vehicles and special weapons at your disposal. Level up your character, compete for achievements, and aim for the top of online leaderboards."

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.