Top similar games like Under Siege:

Spell Defender is a 3D, Third-Person, wave defence, survival Roguelite. Use magical powers to defeat waves of enemies. Each wave rewards you with a choice of a new power. Find synergies and combine these powers to create the ultimate defender.

Cube Survivor is an engaging roguelite experience that challenges you to harness the power of your mouse and a diverse array of unique abilities in your relentless quest to protect your core from relentless enemy assaults.

In NOVA X9, become a fearless cyborg girl, and fight against hordes of enemies, snowballing your advantage as you smash through thousands of foes. Survive the relentless onslaught and unleash your skills in this roguelite survival game set in a dark and futuristic world.

A Shrimp Based Bullet Heaven. Kill creatures, Level up & pick from 3 upgrades to unalive thousands more.

Hordes of monsters are threatening the Poly Village! Raise your weapons, choose your equipments and enjoy the battles……But be aware of those powerful monsters! Make full use of the environment and collect items continuously. Keep getting stronger until finally you defeat your enemies.

Discvivors is a timed survival, bullet hell, roguelite game which grows more intense over time. With more RPG style progression and unlocks than most games of the genre, permanently improve the classes you want and unleash hell on your enemies to become the ultimate survivor.

A unique mixture of vehicular combat and a wide selection of awesome characters, deploy into big map of an action packed events and objectives.

Berry Hunt Survivors is a Reverse-Bullet-Hell Game with Rogue-lite elements. Choose your character, defeat enemies, learn new abilities and destroy the big bosses!

Cut down Thousands of enemies, from the undead to the mysterious creatures of the night to save the world from the impending doom, Rune Break is a Fantasy Rogue-lite where you fight hordes of enemies with casual elements.

Unleash Mass Insect Extermination! Entomophobia is a casual Bullet Heaven with rogue-lite elements. Slay bugs, amass upgrades, and escalate your power against the swarms. Crush, upgrade, dominate – the insect reign ends with you!

Neon City Survivor is a top-down arena shooter that offers multiple ways to create builds around skills that can be specialized around automatic or manual casting. Explore the city through missions, unlock new characters, skills, upgrades to combine and save the city!

"Firework Survivor" is a SurvivorLike game with the theme of fireworks. In the game, you will enter the dreamland of a kitten, which is full of dangers, but the only thing that can help it is - fireworks!

METAL BEANS is a 3D Action-Arcade game where you control two desktop buddies in a computer space. Protect the PC from digital threats by charging up your way through virus creatures and upgrading Catbot and Robitz in the system!

A twin-stick, bullet-hell, roguelite where you must cultivate and defend the last farm in a post-apocalyptic wasteland. Farm mutated crops, upgrade your weapons, marry townsfolk, and kill every mutant creature that tries to invade your homestead! Yee-haw! 

The Magus Circle is a survival roguelite where you are the spellcaster. Draw arcane sigils and combine powerful upgrades to dominate the endless tide of monstrosities. Join forces with mages from across the universe and uncover the secrets of these mana-hungry monsters and the Magus Circle.

You are military volunteer. what? you did not volunteer? It's too late! You are already in the middle of the battlefield. kill the alien for the humanity! Marine Survivors is simple action rogue lite game. kill aliens, earn exp gem, upgrade your weapon. unlock various collection.

Use explosive pizzas, enchanted fidget spinners or a katamari of monsters to fight countless enemies hordes! Repair the "Forge of Destiny" and craft the ultimate custom weapon in this comedy action rogue-lite survivor.

Fight for your freedom as you battle through wave after wave of alien adversaries in this Action-shooter Roguelite. Destroy enemy fighters and collect XP to raise your level and become more powerful. Combine your skills and abilities with a huge range of power-ups to create the ultimate champion.

Fight your way through the hordes of Baalzebub with your ghostly followers. Loot items for your followers to use, and sacrifice them to increase your power for the next assault.

A fast paced twin stick shooter with powerful spells and chaotic enemies.

Weaponmancer is an action roguelite where you, a unique mage, summon weapons to fend off diverse foes. Navigate bullet-riddled challenges, adapt with every run, and harness fallen enemies' essence to evolve and conquer.

Explore a world where cyberpunk and magic collide with the eccentric protagonists. With them by your side, you're sure to encounter some unwanted situations!

Maronia is a roguelike game where you control a 2D pixel character to withstand attacks from monsters for a limited time. Upgrade your skills and defeat your enemies to survive until the end. It's all up to you.

Unleash your inner hacker skills and code your way to victory in a game where complex algorithms and intuitive gameplay collide.Net.Attack() is a dynamic Top-Down Survivors-like Roguelite where you create your own abilities using programming.

Viking Survivors is an action roguelite where you wield ancient weapons and unleash Norse fury on endless waves of monsters. Survive the bullet hell, collect mythic weapons, and prove you're the ultimate Viking warrior in this thrilling survival game.

Fight the underground creatures of Argion to free the land from a curse. You have to fight your way through several dungeons full of dangerous creatures and bosses. Try to utilise, level up and combine many different weapons and passive items to stand a chance of defeating them all.

Blast your way through hair curling enemies to prove you are worthy of the mullet! Mullet Hell is a casual rogue-like, reverse bullet hell where you must fend off foes who seek to remove your luscious locks from your head.

Battle mischievous cartoons that have escaped their TV shows and save humanity in this thrilling FPS Horde Shooter. Players need to survive 15 minutes with an aim to reach the highest level possible with the most amount of cash. Do you have what it takes to step into the shoes of Tooncop?

Pizza Hero is a unique shoot 'em up roguelike. The toppings you select affect your abilities. For example, pepperoni throws grenades while blue cheese creates a pungent perimeter.

Create crazy combinations and crush all the insects by taking out balls with various effects and improving your powers. Survive as long as you can and make the wildest molecules you can. With each round, you get stronger, but so do your enemies...

RogueOut is a fresh take on Breakout with roguelike elements. Wield powerful balls, strategize against dynamic bricks, and explore unique mechanics in each playthrough. This strategic, arcade-style game redefines the classic, promising endless replayability and thrill.

Become a martial arts master in this survivor-like roguelite inspired by action movies of the ‘80s. Use your fists, feet, and the environment to fight off relentless thugs. Master powerful combos, enhance your skills, and remember: everything around you is a weapon!

Aim to be the fastest conqueror in the world with special moves and the strongest build! Rogue Gladius Survivors is an Isekai Musou SpeedRun survivors-like game.

Annihilate an ever-growing horde of monsters to survive. Unlock & choose from a variety of upgrades to create unique and game-breaking builds in this minimalist action-roguelike game!

Hexforger is a fast-paced roguelite in which you cast magic by combining the three primordial orbs. Craft and upgrade powerful spells in the heat of battle. Loot treasures hidden within the rifts. Discover new spells. Die, and spend hard-earned gold to return stronger than ever. Conquer the realms.