Top similar games like SENTRY:

Autothysis is a first-person tower defense game where strategy meets precision. Deploy turrets, manage resources, and fight swarms of insectoid enemies. Target weak points to shatter foes while upgrading defenses to survive escalating waves. Can you withstand the oncoming horde?

Protect your crystal at all costs! Build your defense line, upgrade your abilities, and fight against endless waves of enemies in this fast-paced survival game that blends fluid FPS action, tower defense strategy, and roguelike mechanics.

Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

Year 2425, humanity colonized the exoplanet named SACH-041840. But then, in the 55th year "they" came; No one knows who or what controls them, but what is known is that if they reach the colony proper, it will be annihilated. It is up to you to bring the WRECKONING upon them!

Control a Nanite body from a space station to gather Nanite resources on Earth, seized by a rogue AI. Build and fortify your dropbase with turrets and defenses, fight waves of robotic enemies, and collect Nanites for extraction, balancing fast FPS combat with strategic tower placement.

Hunt hellish ghosts through the four rapidly changing seasons, build up your farm during the day, by night you will fight endless hordes that want to haunt your home. A round based FPS with tower defense, roguelike, and farming elements. How many nights will you survive?

Defend Mars from an endless insect invasion! Grab your two guns, blast through relentless waves, and fight your way through an ever-growing swarm of disgusting bugs.

A fast-paced first-person shooter where you master gun recoil to leap across platforms, battle various enemies, and upgrade your weapon to escape an overrun space station.

Pistol House is a fast paced sci-fi roguelike FPS. Build your power through cards, enhance your gun, and command a spirit companion as you battle relentless, ever-growing mechanical hordes.

Kuiper belt survivor is an arcade style bullet heaven, where every run is endless. It brings a unique spin to the bullet heaven genre by making every part of the players weapon arsenal customizable with well over 10,000 unique weapons to build, and unique stats for every enemy.

Eternal Challenger is a roguelite boomer shooter which aims to create retro style combat experiences and visuals with modern systems which randomize and create content.

Rise of Mutant Swarms is a strategy survival tower-defense game where you defend the base against waves of evolving mutant enemies. Place and upgrade turrets, adapt to enemy abilities, and make critical decisions as the pressure rises with every wave.

Directive Nine is a VR FPS Roguelite in a sci fi setting. "How is the Galactic Federation ever going to expand with these pesky settlers in the Outer Reaches? Get out there and deal with it for us. You know what I mean. You know. It's... I'm talking about destroying them. Like, dead dead."

Cut through fungal aliens in this hyper-customizable, mission based looter shooter. Hundreds of hand-crafted upgrades, 4-player co-op, and a little roach man. What’s not to love?

Bullets and Mods is a fast-paced FPS with Roguelite mechanics. Collect bullets to build your magazine, equip mods to enhance your gun, and unleash your fury on your enemies!

Robust action packed Co-Op Shooter, offering tight Gunplay and Dope to obliterate waves of enemies. Ravage through the Beautiful levels which tell a story of its own. So get your Friends along and lets Dope some Baddies!!

Survive in a ruined Biosphere on a hostile alien world. Endure, then harness the extreme weather, battle powerful bosses for upgrades, and uncover the mystery behind the planet’s lost atmosphere.

INFILTRATE, EVALUATE, ANNIHILATE. Working together or alone, exploit a time loop to gather information, create a plan, and neutralize a rogue intelligence system threatening to destroy humanity in this first-person sci-fi knowledge-based immersive sim.

You are a space hunter from Mars. Hunt with friends, capture bizarre aliens alive, and sell them to the highest bidder. In this galaxy, alien or not, they all share one fear... FEARSFROMARS.

Roboholic is a thrilling Rogue-Lite FPS about robots and beer. Fast-paced gameplay inspired by Doom, with visuals akin to Borderlands. Wield powerful alco-guns, unleash unique abilities, and use the destructible environment to turn enemies into scrap. Bring the ultimate beer apocalypse to life!

Protect Gloobi is a strategic, space-themed FPS with a weird and offbeat vibe, where you split your focus between shredding your foes to pieces and replenishing your ammo by playing the game on your phone, during your challenging battles across the galaxy!

Fusion of Vampire Survivors Like and Tower Defense! Survive with Towers against waves of enemies. Build towers by day, survive endless enemy waves by night. Expand your territory, gain experience, and grow stronger with each battle. How long can you survive?

Zero Hour Deadfront is a co-op first-person zombie shooter where squads draft rarity-based upgrade cards between waves, scavenge a shifting arsenal, and gamble a single last-breath coin toss to revive their fallen team.

Deep Nest is a fast-paced single player action shooter roguelite where you play a space marine fighting off an endless horde of alien monsters in an infested facility.

Use Nukes, Electricity, Heat Rays and powerful Minions in this wave-based first person shooter providing endless hours of Ghost-slaying entertainment, solo or Co-Op. Only Ghosts stand in the way of your invasion of Earth.

INTERGALACTICORP. is a sci-fi rogue-lite tower defense game where you take on the role of an operator-bot, charged with conducting an intergalactic mining operation. Will you thrive as an efficient miner in this alien environment, or succumb to the dangers that lurk in the depths of space?

Be the dwarf you know you are! Build towers to protect the beacons and keep production in motion! Use your weapons to corner any enemies that scrape through. Do it- do it ALL FOR THE FORGE!!

"Siege of Shadows" is an intense tower defense survival game where strategy, skill, and quick thinking are your keys to victory. In a world overrun by relentless waves of enemies, your mission is to build, upgrade, and defend your base at all costs.

Force Reboot is a fast-paced FPS with rogue-lite elements. Force Reboot is entirely focused on nonstop gameplay. You need to get past all of the rooms as fast as you can.

You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

Blood House ULTRA is a roguelite FPS with an emphasis on dynamic play and beautiful graphics. In the game, you will have to fight hordes of aliens besieging your home and collect items that give you unique abilities