Top similar games like Project September:

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. 

UNIT-5000 - is a top-down action rogue-lite shooter where you are a mechbot operator against endless hordes of outer-world invader armies and hard bosses. Destroy everything! With the spoils of every match, unlock and upgrade new weapons to improve your mechbot and make it deadlier.

A fast-paced ARPG / roguelike hybrid with lasers, alien bugs, WASD / twin-stick controls, random loot, and procedurally-generated levels. Wield legendary weapons, unlock devastating skills, create overpowered builds – and turn your enemies' attacks against them. Try the free demo!

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.

Autopanic is a minimalist shooter with rogue-like elements. Also a game about acknowledging player action.

Sandbox of destruction. Billion different ways to build your mech. Feel the weight and impact of obliteration in this modern old school mech combat sim.

Rise up against the Iron Legion. Play as rebel mech pilots and battle giant robots in this twin-stick shooter boss rush game!

Armechgeddon is a chaotic action rogue-lite with a minimalist control scheme. Pick the right mech and pilot for the job, and lay waste to hundreds of enemies with your custom arsenal.

Battle through waves of invaders in Zerium War: Destiny, a sci-fi Roguelite RPG. As Earth's core guardian, wield auto-shooting skills to grow stronger. Face random challenges and gear up for each victory.

Pilot disposable combat drones through the Primal Portal in a sci-fi action roguelike. Customize your drone, fight through various missions, recover research data and alien technology to enhance your drone setup for the next session.

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.

Galactic Glitch: Prologue is a stand-alone Action-Roguelike game with physics-based combat mechanics. Fight through bubbles of glitched Spacetime, dodge projectiles, bounce foes off walls and hurl giant rocks in challenging twin-stick combat. Play it for free today!

Zap, blast, loot, repeat in this procedurally generated twin-stick arcade-shooter. Fight aliens, fight robots, fight anything that moves and a few that don't. Then loot them all.

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.

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!

Primit Shooter 2 is a roguelike shooter set in a universe where cute but dangerous aliens spawn from the Eye Tower. Players must develop their character, pick suitable weapons, and brave through consecutive waves of alien challenges, combining action and strategy for a thrilling experience.

Show the world your skills in Beatstomping in this ryhthm based rouquelite survivorgame!Survive "Cybergrid - The Show" and become a real "Beat Survivor" !

A roguelite action game inspired by the legendary Enter the Gungeon and Nuclear Throne, set in a post-apocalyptic aquatic world. Shape your strategy by choosing which abilities shine by day and which awaken at night.

BOOM COMPANY is a top-down, twin stick space-shooter with roguelite mechanics. Engage in frenetic combat. Complete missions for maximum profit. Upgrade vessels and weaponry with tech from rival factions.

Fight your way through swarms of elite WASP soldiers and bosses using character-specific ranged and melee attacks. Survive by making strategic upgrade choices, using enemy drones to your advantage and overcoming unique stage challenges in the sci-fi survival roguelite, Project XSTING.

Enter the arena, where relentless hordes and rival survivors challenge your every move! Fight, evolve, and influence the world around you — but you’re not alone. Other players face the same trials, fighting to outlast the competition. Smash your way to the top in this multiplayer bullet heaven game!

Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

Sign the contract. Fight for freedom in a brutal mech arena where strategy wins over luck. Choose your chassis, upgrade your build, and outplay deadly enemies. No grid. No RNG.

Cosmos Survivors is an action roguelite where you fight waves of spaceships and combine powerful skills to discover game breaking synergies. Unlock new ships, weapons, keepsakes and customize your talent tree to climb ascension levels. Choose your abilities wisely and you'll become a space god.

A fast-paced top-down mecha shooter with fully destructible environments and light stealth elements. Pilot a mech and engage in unrestricted collateral damage!

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.

Sixty basic cores, hundreds of base station equipment, and thousands of chips, you can freely cooperate and shoot through the dual-angle joystick operation in a survival Roguelike game! Explore the sci-fi space and build your strongest battleship!

Twin-stick shooter roguelite with environment-merging levels! With 1-4 players, survive for two minutes in each level while waves of relentless enemies are sent to attack you! Combine powerful upgrades and earn your freedom in this wacky interdimensional gauntlet!

Defend your base on Mars from invaders in Residuum. A thrilling mix of tower defense and shooter gameplay, upgrade weapons and choose your crew for a unique experience each time. Play with a friend for even more excitement!

Static Line is a 2D side-scrolling action shooter where you deliver devastating Close Air Support while commanding ground forces in real time. Rain fire from the sky, shift the frontline, and shape every battle. You are not just flying — you are deciding the outcome of the war.

Berserker Penguin is a twin-stick action roguelike. Master destructible terrain, manual aiming, and parries to survive waves of overwhelming swarms.

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.

Pilot customizable mechs in an epic battle against hordes of enemiesor dive into intense PvP battles where precision aiming can turn the tide, or let your mech's auto-firing system handle the heat of combat. With rogue-lite elements, each run offers a unique challenge and opportunity for growth.

Pilot mechs as you slaughter hordes of a diverse cast of alien quacks in this survival roguelike. Build your arsenal from a variety of mechs, power ups and items to survive in ever-changing scenarios.