Top similar games like ONYX2D:

1–4 player co-op survival where you fight through waves of enemies, rack up kills, and collect powerful pickups to stay alive as long as possible. Fast-paced, chaotic runs push your limits every time.

Zon is a fast-paced bullet hell game for 1–6 players, playable solo or multiplayer in both co-op and PvP modes. Build, upgrade and defend your base while trying to take down the enemy. Battle other players, AI enemies, dodge bullets, and use powerful weapons to survive and win.

A slow paced, multiplayer bullet hell where everyone is a tank.

BAUSFIGHT is a fast-paced battleground for 2–8 players, packed with short multiplayer modes. Choose a weapon-based class, master its unique abilities, and unleash wild combos to ruin your foes’ day. Fight solo to be the last one standing, or team up with friends and conquer the lobby together.

TTM is a local multiplayer game for 1–4 players, where two teams clash in fast-paced tactical battles.

Multiplayer game of hiding and seeking, also with bots. Become an alien and use stealth to deceive others, or a marine and survive long enough to escape.

Retro-inspired tank arena combat where every wall can become a weapon. Master ricochets, random battlefields, powerful pickups, and chaotic multiplayer battles against friends or AI opponents. Supports solo play, team battles, local multiplayer, and Remote Play Together.

This is a 4-player same-screen competitive battler, attempting to bubble your opponents before they bubble you. Use a dash to cut through smaller bubbles but watch out for the large ones.

Warix is a fast-paced 1v1 territory capture fighting game set in a dark, microscopic world. Control a glowing cybernetic nanobot, draw trails to claim turf, and destroy your rival in high-speed combat. Parry bullets, steal boost, and outsmart players online or battle a relentless solo AI.

Galactic Force is a sci-fi FPS loaded with frantic action and lots of firepower.

Food fights hit the streets! Battle Food Mania is a fast-paced, action game packed with humor and chaos. Play as pizza, cupcakes, bottles and more as you battle to deliver the box - or stop the delivery! Run, shoot and blast your rivals in wild food wars, play solo or with friends.

Awaken the COMPETITOR inside you! Destroy enemies with your strategy and skills on an island that floats in the sky.

Warscape Alpha. 60 levels of single and multiplayer Hovertank action!!

The Last Color is a co-op survival game where every wave introduces a new enemy color, while the number and variety of enemies continue to grow. Collect coins, increase your team’s shared level, and choose 1 of 3 upgrade cards as you fight to reach the final color on wave 16,777,216.

Discover a chaotic future where the intensity of battles reaches unparalleled heights. Get ready for action and join the battlefield (up to 16 players in multiplayer) or take on bots in solo mode. ShadowStorm: strategy and boldness will lead you to victory!

A top-down, fast paced hero shooter. Kill tanks to upgrade yourself and become an undefeatable killing machine. Fight friends or foes in multiple engaging gamemodes and become the best of your kind.

Gather a few friends for this multiplayer game where your voice is the weapon. Play as letters in a notebook with proximity voice chat. Say the funny words on your screen to shoot opponents, find secret words for special powers, and battle in Deathmatch or Battle Royale (Solo/Duos)!

A Battle Royal mode to finally know who is the best between you and your friends and a Prop Hunt mode (not implemented yet) to discover or rediscover the best of the caches.

Engage in an intense space shooter that you can play in single-player or multiplayer with up to 6 players. Play a variety of different spaceships, each with their own unique stats, components, and playstyles!

Neon Arena is a space arcade scoring arena game.

In limited-round battles, drive your war machine and crush all! Truck Clash Duel is a fast-paced shooter for 2-player split-screen duels. Control your unique vehicle, build momentum with every kill, and crown the points champion!

Cookie Run: OvenSmash is a real-time battle action game loaded with a variety of characteristically unique cookies. Enjoy the multitude of modes with your friends and showcase your skills with your favourite cookie!

Survive as long as you can in an endless bullet hell with randomized stats and weapons.

Airship is a multiplayer game platform in early development! Play BedWars 2 and other indie games.

Explore hostile planets, face endless hordes of devourers, collect crystals, and upgrade your equipment. Choose the hero that best suits your playstyle, cooperate with your allies to survive… or betray the other team at the perfect moment and claim victory.

Chaotic Conflicts is a casual and chaotic fast-paced Online FPS game. In this chaotic shooter you'll try to shoot your way to the top of the scoreboard while competing with other players and random events.

You are a Sperm Cell that wants to be reborn. Kill other players, destroy viruses and become the first to conquer the Egg Cell! Use thousands of combinations of abilities, many costumes and drones, buy and sell at auction.

Curve Fever is a high-energy multiplayer snake-like game with powers, easy to learn and hard to master. Steer your ship, avoid deadly trails, steal points, and outplay up to 9 opponents in fast-paced online arenas. Climb the ranked ladder, level up, and unlock new powers.

Heart: Future Whispers is a top-down shooter where you'll face countless hordes of enemies with different abilities! Survive by using your resources to acquire powerful weapons and uncover the reason behind all the chaos in this dystopian future.

Survey planets. Obliterate the locals. Invest in your ship. An action packed rougelite where the engineering crew you hire is either your greatest asset or your worst enemy, regardless of if you want them to or not. Designed as a single-player experience but with a fun, arcadey multiplayer mode.

LaserShotz is an online PvP competitive arena shooter! Compete for the best rating on the leaderboards!

A 2-10-player Wild West party shootout with public Steam matchmaking. Secretly move and aim on a phone or PC, then freeze as everyone fires. Read ghost trails, bank ricochets, grab power-ups, and outdraw rivals in Showdown or Infection.