Top similar games like Hardkill System:

Max Raider is a top-down 3D action shooter where you fight waves of enemies on procedurally generated arenas. Rest and prepare for the next series of waves by buying a variety of weapons and items from your allies. Protect the Bunker, your only hope for a home.

Armoured Onslaught is a fast paced Top-Down Shooter and Tower Defence hybrid. You will need to make use of both strategy and skill as you fight your way through near endless hordes of deadly foes.

You are a friendly-but-deadly Mech on a journey searching for your missing pilot in this action-packed roguelite shooter. Choose your missions and rewards, research skills, equip expansions, mod your weapons, install plugins, customize your looks and stylishly cut your way through hordes of evil AI.

Blast your way through an endless horde of enemies in this pixel art top-down shooter. Collect their remains in order upgrade your character for increased combat abilities. Tekla is a top-down shooter with roguelite elements.

TANKOCRACY is a tank tactical Top-Down shooter inspired by games like Desert Strike and Battletech on Mega Drive. You'll lead your mercenary company to the success by completing hardcore contracts.

Control a fully armed Mech and fight through cyberpunk cities, military bases and industrial ruins. Capture and defend territories, build turrets and structures, and wage war against powerful enemies!

CIPHER 61 is a fast-paced, action-packed top-down-shooter, with tons of temporary and permanent upgrades. Can you make it through all 61 rooms?

Quick mech battle for two players. Choose weapons, explore the map and destroy your opponent.

A distant world in a dystopian future, separated from her squad Amy Sol finds herself being ambushed by enemy forces looking for revenge. Pilot her nimble hovercraft to blow up as many mechs as possible in this fast-paced arena top-down shooter.

A new threat arises! Will you stand up and protect the planet?It’s time to SUIT UP, survive an alien invasion and protect your loved ones in a world where Wave Survival, Twin Stick Shooters, RPG and Roguelite come together in one epic mashup!

Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more. Welcome to FreeInfantry - the world's first massive multiplayer online isometric shooter.

Cloud Cutter brings you classic arcade shoot ‘em up gameplay in top notch graphics. Enjoy intense fast-paced explosive action full of epic destruction, arcade style power-ups, lasers and of course huge multi-stage boss fights.

Tankmageddon is a fast-paced roguelike tank game where you play as Ed, a pilot and mechanic on an Earth facing invasion. A ruthless A.I. has built a tank factory on the Moon and plans to wipe out humanity. Face hordes of enemy machines and use their parts to defeat them.

Fast paced Top-down shooter! Smartly use IRCM to evade the constant barrage of bullets and missiles and destroy everything that stands in your way.

Defend the earth from a robot-alien invasion, joined by Buddy, a Friend rebelling against its people. Utilize its abilities to defend your base against hordes of enemies, buy upgrades and compete on the leaderboard! Play with friends or stand alone in this fight for human civilization!

"Steel Knight's ARMIS" is a roguelike robot game. Lead the rebellion through five chapters, fighting against the Imperial Army and Earth Federation. Customize and upgrade your robot to survive the intense battles ahead.

Tear across the desert, obliterating wave after wave with your nuclear missile powered dual-wielding hover tank. A tight, punchy wave survival sandbox with ludicrous weaponry, exhilarating rocket-tank combat, and daily leaderboards!

Pilot a mech to hunt down and destroy the oppressive government of a cyberpunk autocracy. In this fast-paced, top-down shooter, use overwhelming firepower to destroy columns of tanks and level buildings. Unlock up to 56 unique vehicles and 40 weapons.

Quantum of Hope is an action-packed Twin-Stick shooter game set on Earth overrun by aliens. Use your Fabricator and different weapons to shoot your way through alien swarms to rescue mysterious Princess in distress.

The Raiders are expanding their territory and have selected you as the operative to tackle the next acquisition. With powerful MECH technology and armies of battle BOTs at your command, you must conquer your enemies and expand the Raiders reach.

In Deadline: Aphelion, you play as a mercenary tasked with defending the research facility from the hordes of alien spiders that have been drawn to it. 

On a flying laser tank, fight the armed forces of the Empire and, after overcoming several planets, meet the Empress and fight her in a mortal battle.

Action strategy game Shift system robot battle Defeat the enemy for justice!

Steer your mech through the wasteland. Build a base, plant, hack, trade and forge alliances. Break free from the oppression of a ruthless militia in this hearty post-apocalyptic action-adventure.

battleMETAL is a successor to the 90's mech games, a cross between the mech-piloting of Mechwarrior 2 and ferocity of Quake. Command a massive warmachine bristling with firepower as you blast through a war-torn world.

Top-down 3D action shooter. Fight against swarms of rogue AI machines and survive as long as you can!

Aim. Dodge. Survive. Battle through a sci-fi hell in this intense Twin-Stick Roguelite Shooter. Survive the endless swarm for 10 minutes, defeat the level boss, or die trying. Draft powerful synergies in every run and purchase permanent upgrades to outlast the extinction.

Appulse is the fusion between pinball, top down shooter and roguelite where you need to protect your mothership from invading robots. Each shot affects your ball's trajectory, allowing you to control it in the heat of the battle. Upgrade your equipment and conquer new spaceships to win the war!

ARMORED CAVALRY:METALLINE Is a multiplayer action shooting arena game.With Top-down view,and double joystick. Control of dozens of tons of heavy mech. Use weapons and tactics, cooperate with your teammates,and defeat the enemy.

Vector Bias is a mecha anime inspired rogue-like. Pilot a custom Vector(mecha) and engage in fast-paced aerial combat against flying mechanical enemies, evade entrenched defenses and battle giant bosses.

As a threat from beyond looms over the solar system, take control of the AETHER prototype in this rhythmic and tactical space shooter - fusing classic arcade-style action with stunning 3D environments and an engaging sci-fi story.

The Wave is a solo Action-shooter RPG, set on various planets within the galaxy. The player will conduct missions from your direct commander and your own secret missions to discover your past. You can also decide on your equipment and customize your own ship before in-between missions.

Fight for your freedom as you battle through wave after wave of alien adversaries. Destroy enemy fighters and collect XP to raise your level and become more powerful. Combine your skills and abilities with a huge range of power-ups to become the ultimate champion.

"Abyssal Swarm" is a military science fiction survivor game with different guns, drones, turrets, vehicles, and mechas. You are a member of the space special forces, fighting in the abyss against endless swarms of insects.

FRONT MISSION 2: Remake preserves the mature story, strategic turn-based combat, and Wanzer customization options of the original.

Nebula Strike is a space-themed 2.5D top-down twin-stick shooter game.