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.

Players will face a raging army of skeletons, through flexible and resourceful decision-making construction, with agile and athletic positioning, to deal with a variety of enemies of various attacks, through the challenges of the levels, and the BOSS narrowly meet, a showdown.

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.

Dungeon Survivors is a top-down fantasy roguelite where you can use your class abilities to fight off a horde of fantasy monsters. Choose from a variety of abilities and items to create unique builds and survive with 1-4 players.

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.

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.

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

Destroy thousands of Insects/Bugs in Entomophobia a casual rogue-lite bulletheaven! Get up to 5 Automatic firing Weapons, plus a Controllable Weapon. Slay Bugs, Get Upgrades, Kill More, and Snowball your power against the bugs through the chosen Upgrades.

"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!

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!

METAL BEANS is a 3D Action-Arcade game where you control two desktop pets in a computer space. Protect the PC from digital threats by fighting your way through virus creatures and upgrading your character with disks!

An action-packed roguelite where you must cultivate and defend the last farm in the post-apocalypse wasteland. Farm mutated crops, marry townsfolk, and kill every mutant creature that tries to invade! 𝐓𝐡𝐢𝐬 𝐚𝐢𝐧'𝐭 𝐧𝐨 𝐨𝐫𝐝𝐢𝐧𝐚𝐫𝐲 𝐟𝐚𝐫𝐦𝐢𝐧𝐠 𝐬𝐢𝐦𝐮𝐥𝐚𝐭𝐨𝐫.

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.

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.

Fast-paced Action Rogue-like. Fight Hordes of Monsters and Bosses. Survive, Level Up, Upgrade Attributes and Skills.

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.

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.

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?

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.

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.

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...

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!

Battle against hordes of enemies, conquer Boss encounters, and explore various character and skill combinations in this time-based auto-attacking Roguelite in your quest to become stronger and defeat the most menacing of creatures that lay in wait at the end of each run.

KEEP OUT : Black Protein is a rogue-lite, hack and slash, TPS, action game that tells the past story of previous release, KEEP OUT. You can create your own new combination and clear method by repeating the game. Become your own toy and protect the world of toys from corrupted toys!

Collect bounties on sky pirates in this chill pastel dogfight sim.

Defeat thousands of enemies that are invading Andromeda! Andromeda Survivors is a casual game with rogue-lite elements where you collect skills and upgrades for your ship to create amazing builds!

Immerse yourself in Arcane Chaos, the ultimate magic-fueled roguelike. Mastering chaotic spells to vanquish endless waves of foes. Level up, enhance your powers, and experiment with fusing spells to unlock a myriad of potent combinations. Can you navigate the relentless chaos and emerge victorious?