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.

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!

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!!!

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.

Defend your base from bubbles by hiring monkeys.

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.

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.

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.

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

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.

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 ?

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

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?

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.

Hyper Frenzy is a free arena-styled singleplayer 2D space shooter using top-down perspective. Fight in different modes against bots, collect various items and use one of the plenty weapons to defeat your opponents. Create your own maps and gametypes.

Deep Deep Deep Nightmare is a 2D Top Down Shooter. Survive by facing monsters in the nightmare of a little boy who didn’t heed his mother’s warnings that eating too much before bed can cause nightmares.

Beyond The Space Wall is a story-driven brick-breaking action game, enriched with RPG elements and other original features. In addition to the usual brickbreaking, you’ll face plenty of choices and side quests that directly influence the direction of the main story. Can you find the path to victory?

A roguelike survival game in space. Stranded in space, you must fight to survive as long as you can! Dodge or destroy asteroids, collect ice shards to survive. Find power ups in from your ship, get out before they destabilize and explode! How long can you survive in space?

Shoot! Upgrade! Defend! In this twin-stick roguelike, protect all things bubble from infinite waves of pointy bad guys! Upgrade yourself and your base, or better yet, use a super attack, and stop everything from trying to pop you!

Demons Happened is a challenging top down shooter/puzzler with an enemy possession mechanic, about a dead-inside ghost on a journey to fix his tv.

A wave-based action game, where you fight to survive for as long as you can.

Rogue Shapes is a fast-paced roguelike bullet hell where you battle waves of deadly shapes, level up, and choose powerful upgrades. Complete challenges to unlock new playable shapes, each with unique weapons. How long can you survive the chaos?