Top similar games like Doppelganger:

Amazing car race SHOOT 'EM UP 3D! The best in Car Games Free, Arcade Classic! 🔥

Jump from Node to Node while surviving the Chasers onslaught. Keep moving, Keep Upgrading, and don't get terminated.

No weapons. No loot. No mercy. Just you, a half-loaded dungeon, and endless monsters. Every door makes things worse—so run like hell, or get swallowed by the monsters.

Bullet hell about destroying computers. Be the ultimate bug you ever wanted to be. Swarm those capacitors and break the boards! [THIS GAME IS STILL IN DEVELOPMENT]

Radon Blast ist a Brick Breaker / Arkanoid style game, with a touch of Pong.

The origin story of a famous roidgrinder. It's a crossbreed of 2D arcade, lightweight simulation, resource management and some idler elements. You interact with the ship's systems through a state-of-the-art terminal interface. KEYBOARD REQUIRED.

Strategize, build, and upgrade your fleet to defeat your enemies. All filtered through the design of classic arcade games.

PewPew! - move, shoot and upgrade!

GunDeck[100] is a lightning-fast twin-stick shooter where you’ll build your arsenal from randomly-dealt cards. Weapons fire in a rainbow of elements with unique effects. Dart and dodge to survive the fireworks unleashed against you, and retaliate with your own display! Can YOU survive to wave 100?

Gravity Escape From The Maze is a fast-paced action platformer where you control a small square with a curious ability. Escape mazes filled with dangerous traps as you collect keys to continue your journey.

Dive into the adrenaline-fueled world of Neon Nova, a cutting-edge Neon Arena Ship Shooter! Experience intense arena battles, unlock customizable ships with vibrant neon skins, and dominate diverse game modes. Are you ready to be the master of the neon universe? Jump in now!

Tartaron is top-down shooter with an old-school art style and a variety of levels to beat. Engage in close-range combat, or snipe your enemies from afar, it's up to you.

Grab a slice of this fast-paced, pixel art, top-down shooter.. Pizza Death! Made by members of the Australian thrash band Pizza Death, the main soundtrack is a NES chiptune cover version of their entire debut album, Slice of Death!!!

Defend your base from bubbles by hiring monkeys.

TETRAGUN is quadrant-based shooter where you're surrounded on all sides. You'll gain powerful upgrades as you progress, but so will your enemies.

Rip &Tear is a brutal top-down 2D arcade shooter where your shotgun is your only lifeline. Face endless waves of demons, cultists, and biomechanical horrors in a blood-soaked battle for survival. No gimmicks—just pure, relentless carnage.

One wrong delivery can start a war. A top-down 2D roguelike space cargo hauler where you navigate faction politics, manage your power budget, trade contraband, and fight to survive across 3 deadly sectors.

Solo Defender is a fast-paced vertical space shooter where you battle waves of enemies, unlock upgrades with Gems, and face epic bosses—including a drone-spawning Mothership. One life, multiple planets, and a secret level await. No ads—just pure arcade action.

The solar system is on the brink of collapse! Using powerful alien technology, you must battle enemies, players, and the forces of gravity to escape and survive. Redemption is optional. Survival is not.

Abettor is a top-down shooter where enemies constantly spawn all around you. In this game, not only does the world generate around you, but the enemies do as well. Kill as many enemies and achieve your highest score. How many can you kill in Abettor?

Spend hours having fun exploring this ever-growing maze. In Key 2, with each level beaten, the maze gets bigger and more hard. Dodge slimes, spikes and traps, find the key and open the door before time runs out.

AREA WARS™ is a fast-paced 2D omnidirectional shooter where you battle enemies from every direction in a constantly changing enclosed area. Defeated enemies trigger chain explosions that engulf nearby foes and boost your score multiplier. Built for short, repeatable runs with score-focused gameplay.

Nefarius, a powerful wizard, battles against an evil slime army that has drained his land of magic. Defeating these slimes allows him to reclaim his power through the magic shards they drop. Help Nefarius restore balance and save his realm from darkness.

Breakout game + physics + shooting + building. Use your mouse like in air hockey to kick enemy bombs back into the evil Black Castle! Destroy enemy towers rockets and lasers. Build your base to protect your little dudes - you need them to win

A roguelite space shooter based around the classic arcade game. Shoot asteroids, ships, and take down the mothership in a multi-stage boss fight, avoiding lasers and explosions. Upgrade your ship during and after your run in this casual simple roguelite.

Boomerang Battles is a fast paced action roguelike where you battle your way through 100 floors of a deadly dungeon with your trusty boomerang in a bid for your freedom. Pick your favourite boomerang, learn its attack patterns, find upgrades, and battle against exciting bosses. Escape if you can.

Take aim and splatter tomatoes in this artsy, arcade-style target game!

DodgeKill is a minimalist bullet hell arcade game. Your cursor is both your heart and your weapon : dodge enemy waves, then strike back! Will you survive until the end ?

An explosive 80s-inspired top-down military shooter where skill, guts, and firepower decide everything. Choose your route and fight for the highest score.

An intense, bullet hell, arcade style game with old school mechanics and art. Fast action, dodging fireballs and waves of enemies while aiming accurately. Can you survive dragon dodge valley?

Gravity Slugger is an arcade-style wave defense game where you use gravity and orbital mechanics to fling projectiles at attacking enemy spaceships. Dodge enemies, gather salvage, and upgrade your skills with chaotic and deadly abilities in this physics-based 2D game.

Roguelike missile command. Survive as long as you can aboard the Ark, humanity's last hope, in a hostile galaxy.

This is a retro space shooting game, where you only fight against the strongest enemy. There are 15 unique bosses in the game, and players need to use different weapons and strategies to defeat them. Dedicated to you who are both challengers and retro game lovers.

Retro top-down city driving chaos with fast runs, unpredictable collisions, and leaderboard competition. Dodge traffic, avoid chickens, master tight turns, and see how long you survive.