PC $1.49 Region US
Games Indie Invaders Tower Defense Online
Invaders Tower Defense Online: header artwork
Indie · Sagui Games

Invaders Tower Defense Online

Invaders Tower Defense Online
Windows Linux Brazil · 6+
Positive · 93% of 27
DeveloperSagui Games
GenreIndie
Good deal Price verdict · US updated 9 min. ago

Well reviewed at 93% positive. The current discount is 50%.

Why this verdict
Price position between all-time low and full price 33%
All-time low $0.74 · 10d ago
Current discount -50% off $2.99
Typical sale discount ~50% over 4 sales
Player reviews 93% positive of 27
Quality score 93/100 · small sample
Value score 67/100

Offers

Official store prices and labeled keyshop comparisons

Official stores (1)
Steam
checked 9 min. ago Lowest price
Steam, official store, 50% off, $1.49
$1.49 Buy on Steam
Direct store link. Payment stays with the store.
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About this game

What this game is, in the developer's words

Build your ultimate defense with a combination of powerful towers. Attack your opponent with strong Invaders. This game is sure to offer a unique and immersive experience for all tower defense enthusiasts!

Invaders Tower Defense Online (ITDO) is an exciting strategy game that combines attack and defense elements. Get ready to build your ultimate defense with a combination of powerful towers and face your opponents with strong invaders. This game offers a unique and immersive experience for all tower defense enthusiasts!

Key Features:

1. Balance between Attack and Defense:

  • Start with 400 credits and 100 lives to defend.

  • Receive an income of 200 credits per round.

  • Invaders that cross the board reduce their lives.

  • Sending raiders costs credits, but also increases your income.

  • Each round lasts 12 seconds.

2. Variety of Invaders and Towers:

  • Fight over 30 different types of attackers. Each attacker has specific abilities and weaknesses.

  • Choose from over 15 types of towers to strategically position. Each tower has its own characteristics and abilities.

3. Maps and Game Modes:

Explore over 10 different maps, each with unique challenges.

Try different game modes:

  • 1v1 Duel Mode: Take on another player in exciting matches.

  • 2v2 Team Mode: Form a team with a friend and fight against another duo.

  • Free-for-All (FFA) mode: All against all! Be the last player standing.

  • Matches against AI: Hone your skills against artificial intelligence.

  • Defense Mode: Survive as long as you can against waves of increasingly stronger invaders.

Media

Trailers and screenshots straight from the store page

Invaders Tower Defense Online screenshot 1
Invaders Tower Defense Online screenshot 2
Invaders Tower Defense Online screenshot 3
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Invaders Tower Defense Online screenshot 9
Invaders Tower Defense Online screenshot 10
Invaders Tower Defense Online screenshot 11

Latest news

Recent updates from the game's own feeds

Price history

Accepted price history and recorded lows

Historical lows
All-time low ATL $0.74 2026-07-07
3-month low $0.74
12-month low $0.74
Current $1.49
Price events From the accepted price history
Jul 13, 2026
Sale started · -50% to $1.49
Jul 10, 2026
Sale ended · back to $2.99
Jul 7, 2026
New all-time low $0.74

Invaders Tower Defense Online price history and current deals

Invaders Tower Defense Online for PC currently sells from $1.49 at authorized stores. Its all-time low is $0.74, set on 2026-07-07. That is 50% off the $2.99 list price.

Frequently asked questions

Answered from this game's own price and edition data

How does the current Invaders Tower Defense Online price compare?
The price verdict is buy. The lowest current official price is $1.49, which is 33% of the way from its all-time low to full price.
How does $1.49 compare with the Invaders Tower Defense Online price history?
$1.49 is 33% of the way from the all-time low of $0.74 to the full price, with a 50% discount. It is near the middle of the recorded range.
Which stores list Invaders Tower Defense Online?
Invaders Tower Defense Online is tracked at steam. This section lists authorized stores and links to their store pages.
Scores
Steam reviews Positive · 93%
93% positive of 27
Media (11)
Tech
Requirements
System requirements platform
Minimum
Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 (64bit)
  • Processor: Intel CPU 4th Gen 2.60 GHz or equivalent processor
  • Memory: 4 GB RAM
  • Graphics: OpenGL 2.0 compatible, ATI, Nvidia or Intel HD 4600
  • Storage: 3 GB available space
Recommended
Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 (64bit)
  • Processor: Intel CPU 4th Gen 3.40 GHz or equivalent processor
  • Memory: 8 GB RAM
  • Graphics: OpenGL 2.0 compatible, ATI, Nvidia or Intel HD 4600
  • Network: Broadband Internet connection
  • Storage: 6 GB available space
Minimum
Minimum:
    Recommended
    Recommended:
      Minimum
      Minimum:
      • Processor: 2.60 Ghz or better (x86-64)
      • Memory: 4 GB RAM
      • Storage: 3 MB available space
      • Additional Notes: Select Linux Version in Properties > Betas > Linux
      Recommended
      Recommended:
      • Processor: 3.40 Ghz or better (x86-64)
      • Memory: 8 GB RAM
      • Network: Broadband Internet connection
      • Storage: 6 MB available space
      • Additional Notes: Select Linux Version in Properties > Betas > Linux
      Facts
      DeveloperSagui Games
      PublisherSagui Games
      ModesMulti-player · Single-player · Co-op
      Links
      Ratings
      Brazil6+
      Indonesia3+
      Germany (Steam rating)12+
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