Top similar games like Thunderday:

Stickman Adventures is a 2D Stickman Action Shooter. Fight your way through various levels and dimensions, defeating challenging bosses and enemies along the way! This game is very hard.

Destroy bosses one after another in this fast-paced and dynamic abyssal bullet hell!

A pixel-art platformer adventure game with lots of action and a memorable story.Dive into the depths of planet Anyaroth and free its people from the tyranny of the Queen. Join the Rebellion and fight against the Regime’s mind-control system. The anya civilization needs you!

A wormhole has opened up letting aliens terrorize your city. Pilot your spacecraft and destroy the aliens using flamethrowers, missiles, gatling guns, shockwaves, and more!

Survive 10 enemy stages! Shoot 'Em Up style, spaceship game, in pixel art and 8-bit retro music! Evolve your shot to the maximum level, use the energy bar for upgrades, and special abilities! Advance each stage by defeating Bosses and enemies to collect new skills, transformations and extra lives!

A bug-sized roguelike adventure of boogas versus faucets! Choose your booga, powerup with items, and destroy every last faucet foe!

Slayers, Inc. is a roguelite twin-stick shooter about killing hordes of demons. Acquire items to brutalize them in new and unique ways, empower yourself with Artifacts to kill 'em with style, don't forget to keep your combo going, and give those infernal fools the boot!

Explore dungeons, battle hordes of monsters, and defy fate in “Enter The Lost Chamber,” an action-packed pixel art roguelike. Discover new challenges, collect powerful weapons, and prepare to face the final boss at any time. Dive into the darkness!

Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.

AsTroops is a roguelike card-based space combat game. Build your fleet, choose cards with machine gun, rocket, and electric weapons, and fight real-time battles to break the alien blockade.

Dive into Nouns Crown, a wacky rogue-lite dungeon crawler where every day brings a new character to master. Embrace the chaos as unique abilities and weapons redefine your adventure every 24 hours in your quest to protect the all-powerful Nouns Crown from the invading Souls.

Escape the asteroid and solve challenging puzzles in Korlax Escape, a thrilling cartoony sci-fi game that puts you in control of a UFO. With shooting mechanics and moving hazards, retro-gamers and speed runners will love the exciting gameplay. Can you make it out alive in Korlax Escape?

Take control of a spaceship in this top-down action shooter and defend yourself and earth from the unknown mysteries and horrors off space!

Ether Loop is a hardcore fast-paced bullet hell with roguelike elements. Descend the unforgiving depths of a mysterious world, encounter challenges, discover dynamic environments and fight ruthless creatures while unveiling the secrets of Ether Loop.

Blast through the galaxy as Drax Gorbuloid, a grumpy space janitor of mega-corp Binary Express, tangled in a deadly corporate conspiracy. Clean up cosmic messes, uncover secrets, and try to survive across hostile planets in this darkly comedic sci-fi action adventure created by Pantelis Kassotis.

Alpha Force Zero is an intense top-down bullet-hell adventure that requires skill and planning. Utilize multiple weapon systems including an Auto-Turret with adjustable firing modes and unlock upgrades that you can equip in your ship to give you the upper hand. Dodge, fight, survive!

Unleash absurd power and survive the Toonpocalypse! Face down endless cartoon hordes in this action-packed roguelike. Evolve a single spell into a screen-clearing storm of destruction and craft the perfect build. Are you prepared?

Fly and shoot your way past hordes of alien oddities, mining planets and upgrading your arsenal to contend with the biggest threats the universe has to offer. Overcome these challenges by mastering the unique choices offered on each run, and transform from a struggling survivor into an apex warship!

Fast pace shooter that has a story to tell. Upgrade weapons and kill bad guys is what this game is all about. The story will make you excited about each level and boss fight!!! Good Luck and Enjoy!

Collect synergizing items to create an overpowered character to fight hordes of cyclops monsters. Cyclo Chambers is a fast-paced, top-down arena shooter with light rogue-like elements. 150 items to choose from to create frantic combinations. Different runs every time.

Shoot, loot, and toot your way through Saturday morning cartoon inspired Floops Big House Adventure! This love letter to 90's and Nickelodeon cartoon style will have you rolling with laughter as you defeat hordes of evil monsters and giant disgusting bosses.

Embark on a thrilling 3D projectile action adventure in Bugnauts! Swing your net to battle giant bugs and save your island home from an evil resort tycoon. Fight, collect, and explore in this action-packed game for all ages.

An unknown signal pulses across the edges of deep space. Drive, shoot. Dodge, destroy!

Survive in the deep void of the galaxy against thousands of invaders! Nebula is a challenging bullet hell, twin stick shooter where you have to face endless waves of space enemies. Additional map resources and space drones can provide you a support but be wary, they can as well become a deadly trap.

Space Survival is the next great SIMPLE 2D casual space action shooter where you have to defend against wave of enemies, have fast reflexes and strong will to win. It is great way to relax, but also a great challenge. How long can you stay focused?

Join Orin and The Rust Wanderers in their battle against the relentless forces of the Dominant Hand. Take the fight to The Baron and his Dominant Hand Forces to free The Slaglands from his cold iron grip! Gather Scrap and grow in power on your quest to rescue your friends and gain your independence.

Launch & Loot is a rogue-lite dungeon crawler with vibrant pixel art, where each room is procedurally generated. Use the environment to your advantage by throwing objects and loot to defeat enemies. Discover unique power-ups that change your playstyle with every run!

Chaotic Pursuit is a hardcore Top-Down Shooter with cute graphics. You miss a shot and you're out!

Utilize the unique power of cacti to obliterate thousands of enemies. Choose your items wisely, build a formidable defense, and conquer the depths of hell with precision and skill. Make the devil fear your presence!