Top similar games like Under Siege:

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.

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!

Downcave is a Roguelite 2D Platformer. Descend as far as you can down various caves, encounter more enemies the deeper you go. Gain power from various artifacts and use your weapons to fight hordes of monsters.

Reaper Hunt: Survivor is a single-player top-down action roguelike shooter blending dark magic and dynamic combat. Choose your hero, upgrade via card-based perks and a skill tree, brave portals to deadlier realms, and conquer relentless bosses in a world where every second counts.

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.

Furia de las Trenzas is a survivor-like roguelite in which you face a horde of British soldiers who are trying to capture Buenos Aires. Recruit your platoon of soldiers with special abilities to defend the town square! 

In Nine Lives Ninja: Survive you are a cat (who also happens to be a ninja) forced to fight for your lives against hordes of evil woodland creatures. Choose which abilities to focus on, which attributes to increase, and see if you can survive to fight another day.

Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you.

Go on a campaign to dethrone the kaiser! Build an army, strengthen yourself with powerful artefacts and defeat the forces he sends to stop you. Kaiser is a casual roguelike game where you fight thousands of enemies in an attempt to become the new kaiser.

A time-limited survival game infused with rogue-lite elements and an adorable art style! The world has plunged into darkness, and you are its sole beacon of hope. Will you endure until dawn, or succumb to repeated deaths in your quest? Fear not, for you can collect more coins to arm yourself!

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!

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?

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.

"Fight off endless hordes of enemies with your ship! Upgrade it to defeat increasingly powerful opponents! Choose your upgrades carefully, manage your priorities, and find your enemies' weak points!"

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.

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.

Shoot & Sow is a top-down arena shooter roguelite, where players control unique characters and fight vegetables and fruits. Players can plant seeds to grow special items, as well as buy a variety of weapons and items. Complete the talent tree to gain more power. Can you survive on your own farm?

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.

Grab your equipment, there are monsters to kill in the deep and narrow dungeons.

RANDOBOUNCE is a fast-paced, arcade, score-attack roguelike where you bounce uncontrollably while crafting the most ridiculous, overpowered weapon possible. Survive, rack up points, and let the chaos unfold!

SirVive is a rogue-like horde shooter where the goal is simply to survive as long as you can (looking fabulous while doing so!). Choose 4 of over 20 different abilities to bring with you on each run, and whether to activate them manually or automatically.

Breachwalk Survivor is a single-player game combines survivor genre with inventory management. Before sneaking into another dimension, it’s better to plan which weapons to craft and strategize the path. Stealing just one 'World Core' will save your world, but there’s still extra space in your bag...

Fight against Hordes of Zombies, Skeletons and other creatures to survive as long as possible. Upgrade your arsenal and rescue other Survivors on your DESPERATE SURVIVAL.

Fat Sheep Town has monsters! Use skills to defeat them. Plugins help warriors survive. Many maps have risks and rewards. Pick an occupation and weapons. Level up weapons. Combine skills, plugins and weapons. Defeat the villain!

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.

There’s no R.I.P at E-Lich Corp! Explore the afterlife in this roguelite bullet heaven that is all about humor, insane power-levels, replayability and awful office jokes. Reap souls along your undead coworkers in a company that values your life. And death. Literally.

Tribe of Werewolves is a rogue-lite survival game where you fight against hordes of creatures using various weapons and spells. Survive as a bloodthirsty werewolf and save all the tribe members!

Dungreed is a 2D side-scrolling action game with 2D Rogue-LITE elements. You become an adventurer exploring a continuously evolving dungeon to prevent the town from being destroyed. Eliminate enemies, use a variety of weapons and magic, eat food, and defeat evil in the dungeon!

Rift Survivors is a top-down action roguelite game. Take on the role of a Rift Guardian and maintain the balance between dimensions while facing deadly enemies. Grow stronger with each playthrough and prove your worth in this unstable multiverse.

Eliminate monsters, receive rewards, improve abilities. Use party skills. Unique skills and 4 random passive skills. Form parties regardless of class.

Fend off hordes of enemies in this arcade tower defense roguelite with autobattler elements. Build up a team of powerful synergies and become unstoppable.