Games like Shadowgrounds

81% positive from 1,617 reviewsReleased 2006Steam Deck Unsupported$6.99

What it is

Top-down shooter with weapon upgrades and a destructible environment. Intense alien combat with realistic lighting and boss battles.

The catch

Later enemies overwhelm you as weapon balance falls apart

Why it is here

It is here because it sits in the band this site looks at: well reviewed at 81% positive, but with 1,617 reviews, far fewer than the household names carry.

View Shadowgrounds on Steam

More like this: Shooter Sci-fi Top-Down Shooter

Six games like Shadowgrounds

Halo: Spartan Strike

80% positive from 1,679 reviews2015Deck Verified

Top-down shooter with a focus on fast-paced combat and vehicle use. Players fight Covenant and Promethean enemies across diverse environments.

What players likedPlayers describe it as a fun, gorgeous top-down twin-stick shooter soaking in Halo-vibes, offering a new experience despite some repetitiveness.

The catchThe final missions stay locked until you earn gold on every earlier mission.

Both are tagged Aliens, Top-Down Shooter and Sci-fi.

Games like Halo: Spartan Strike →

Aliens versus Predator Classic 2000

87% positive from 2,790 reviews2010Deck Playable

This is a classic first-person shooter with three distinct campaigns. Players experience intense survival horror and action as a Marine, Alien, or Predator.

What players likedPlayers praise its creepy horror aesthetics, comparing it to a timeless classic that captures the feel of being hunted.

The catchThe Steam re-release is riddled with bugs and crashes that were never patched.

Both are tagged Aliens, Sci-fi and Action.

Games like Aliens versus Predator Classic 2000 →

Defense Grid: The Awakening

96% positive from 3,418 reviews20088% finish itDeck Playable

This is a tower defense game where players strategically build towers to stop enemy waves. It features varied enemies, upgradeable towers, and replayable levels.

What players likedPlayers praise this "Good Old Game" as one of the best tower defense games, offering insane amounts of challenging content.

The catchThe difficulty spikes immediately and several missions feel impossible on normal.

Both are tagged Aliens, Sci-fi and Singleplayer.

Games like Defense Grid: The Awakening →

X-COM: UFO Defense

97% positive from 2,477 reviews1994Deck Unsupported

Turn-based tactical combat and global strategy game. Research alien tech, manage resources, and fight invaders to save Earth.

What players likedPlayers praise its engaging tactical combat and strategic depth, finding it a classic that still holds up well.

The catchThere is no tutorial and the interface explains nothing, so expect to read a manual.

Both are tagged Aliens and Sci-fi.

Games like X-COM: UFO Defense →

Alien Shooter 2: Reloaded

92% positive from 3,554 reviews2009Deck Playable

This is an arcade action RPG with a core loop of shooting hordes of aliens and upgrading weapons. It offers intense, fast-paced combat with a sci-fi horror feel.

The catchIt is capped at a low resolution and oversized UI text blocks the screen.

Both are tagged Aliens, Shooter and Action.

Games like Alien Shooter 2: Reloaded →

Gatekeeper

84% positive from 3,245 reviews2025Deck Verified

Action rogue-lite with co-op. Collect artifacts and combine abilities to fight bosses across diverse planets.

What players likedPlayers praise this roguelike for its unique characters, replayability, and similarity to Risk of Rain.

The catchItems are flat stat boosts with no synergies, so runs blur together after a few hours.

Both are tagged Aliens and Action.

Games like Gatekeeper →

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