Games like Purgatory Overkill

"The Riftbreaker" is a base-building survival game where you play as Captain Ashley S. Nowak, an elite scientist/commando in a powerful Mecha-suit. Your mission on the distant planet of Galatea 37 is to build up a base capable of creating a two-way rift back to Earth, using various machines for resource extraction, construction, and combat against hostile inhabitants. This task requires the development of a complex chain of mines, refineries, powerplants, and research facilities.

"Depth of Extinction" is a strategy RPG set in a flooded world. Assemble a team of mercenaries to protect what's left of humanity from underwater dangers. With turn-based combat, permadeath, and a retro-style pixel art aesthetic, it offers a challenging and immersive experience.

In "Infested Planet" , you command a small squad of soldiers against an overwhelming alien force, using strategy and tactical thinking to outmaneuver and outsmart the enemy. With 100,000 aliens closing in, you'll need to build defenses, equip your team with advanced weapons, and launch surprise attacks to capture and destroy alien hives. The ever-mutating alien army keeps you on your toes, demanding constant adaptation and innovation to survive.

Xenonauts is a single-player, turn-based strategy game set in a 1960s Earth defended against alien invasion. Players manage a military organization, completing ground missions with persistent soldiers and intercepting UFOs. With good game mechanics, graphics, and soundtrack, Xenonauts offers a wholesome and replayable experience, although some bugs and grinding may be present. Based on classic X-Com games, it aims to modernize and introduce the genre to new players.

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.

"Fortified is a thrilling strategy shooter set in a 1950s retro sci-fi world, where players defend Earth from a Martian invasion. Combining third-person shooter, real-time strategy, and tower defense mechanics, players can enjoy single-player, co-op, or multiplayer modes, building defenses and wielding an arsenal of Cold War-era weapons. Protect the city against towering attackers and experience an exciting blend of gameplay styles for a unique and immersive adventure."

"Guardians of the Sanctree" is a 2D, hand-drawn co-op game where players, as avian military commanders, restore Sanctree cities, defend against insectoid attacks, and explore subterranean wonders. Gameplay involves diverse roles, from production line designers to elite warriors, and resources are gathered for crafting tools, weapons, settlements, and strongholds. Survival is key as players hunt for food, battle creatures, and test strategies to shape Sanctree's fate.

Carnage Offering Tower Defense is a classic TD game set in a dystopian 2528, where you protect humanity from extinction by building and upgrading turrets against genetically modified monsters. With a variety of towers, each with unique features, and the ability to farm for resources, strategically plan your defense and turn the tide of battle.

Genesis Alpha One is a first-person shooter and base-building game set in space. Players must build and upgrade their spaceship, recruit crew members, and fight off alien threats while searching for a new home for humanity. The game also includes survival and roguelike elements, with procedurally generated levels and permadeath.

Drill Core puts you in charge of an elite team managing a high-stakes drilling platform, where strategic leadership and resource management are crucial. Navigate dangerous missions, coordinate miners and guards, and make critical decisions to extract vital minerals while combating climate collapse. Every choice impacts the success and safety of your operation.