Invaders from the Third Dimension

58KS
Released Jun 19, 2023by Nile River Software LLC4 user reviews(75% of 4 Steam reviews)

A retro space shooter with a twist - now you can rotate your ship and aim diagonally at enemies, adding a whole new dimension to the shoot 'em up genre.

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About Invaders from the Third Dimension

A Revolution in the Shoot 'em Up Genre

This game lets you rotate your ship and shoot diagonally at enemies, adding modern controls to retro gameplay.

This small change in controls creates a huge difference in gameplay. You'll find this game to be more realistic, more immersive, and more challenging than your typical shoot 'em up game.

Hybrid Horizontal / Vertical Shooter

The enemies enter from the top of the screen, but the screen layout is landscape. Plus, you can shoot at any angle from forward to sideways. This makes Invaders from the Third Dimension the first ever hybrid horizontal/vertical shooter. Now the player has more options than just sliding horizontally and shooting vertically. You can aim diagonally at enemies, so you don't have to put yourself on a collision course.

Rotating your ship also allows for better bullet-dodging. You can angle your ship to slip through small gaps between bullets, plus you can vary your horizontal speed as your ship rotates.

Mesmerizing Graphics

The ships rotate in 3D, just like real fighter jets. The enemies move in beautiful circular patterns while pulling barrel rolls. The laser beams glow and illuminate their surroundings. The explosions are realistic, with particles and smoke. And it all runs at a silky smooth 60 FPS with v-sync.

Varied and Balanced Gameplay

You'll get a different experience every time you play this game. The enemies appear in randomized positions, and they use AI to make their own decisions about where to go and when to shoot. You won't get bored playing the same levels over and over. And you cannot simply memorize the levels - you must have enough skill to beat this game.

Each level introduces a new enemy with a new weapon, creating a new gameplay experience. The enemy weapons include lasers, splitting bullets, and rockets.

Each enemy weapon has its own pros and cons. Lasers move fast, but they don't deal much damage. Splitting bullets occupy a wide area of the screen, but you can find gaps between them. Rockets can be shot down, but they'll deal a lot of damage if you don't.

The final level adds heat-seeking rockets for an extra level of challenge.

Upgrade your Ship

You'll start off with only a single, semi-auto laser cannon. As you take out more enemies, you'll have the opportunity to upgrade your ship by collecting powerups. You can get additional laser cannons, bursts of automatic fire, and eventually full auto. You'll also be given a larger health bar halfway through each level, so you can take on more powerful enemies.

Simple Controls

All you need to do is move and shoot. It's a truly retro experience, without the steep learning curve of complex controls. The game is simple enough for anyone to play, yet still challenging for experienced gamers. The game is easy to learn but difficult to master.

Sick Soundtrack

  • Our 80's-style synthwave soundtrack will keep you in the zone.

Save your game

  • We automatically save your game at the start of each level. You won't have to mess around with save states or passwords.

Download Today!

  • We put a new twist on retro gameplay while adding modern controls and 3D graphics. It's time to download now and have a blast!

Game details

Game details

Released
Platforms
Steam rating
4 user reviews (75%)

Age ratings

IGRS 13DEJUS 14STEAM_GERMANY 6

Game modes

Languages

Invaders from the Third Dimension price history

Lowest tracked price: $0.99 (Jul 7, 2026) · current best: $0.99.

Invaders from the Third Dimension reviews

75% positive reviews all-time.

Invaders from the Third Dimension — frequently asked questions

Where can I buy Invaders from the Third Dimension at the cheapest price?

Right now the cheapest offer for Invaders from the Third Dimension is $0.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.

What is the lowest price Invaders from the Third Dimension has ever been?

The lowest price KingsPrice has tracked for Invaders from the Third Dimension is $0.99 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.

How can I get Invaders from the Third Dimension at a discount?

Create a free price alert on this page and KingsPrice will email you when Invaders from the Third Dimension drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.

System requirements

Minimum

Minimum:
  • OS *: Windows 7 (SP1)+
  • Processor: x86, x64 architecture with SSE2 instruction set support
  • Graphics: DX10 capable
  • DirectX: Version 10
  • Storage: 308 MB available space
  • Sound Card: DX10 capable

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