"Collapsing World" is an innovative tower defense game blending deck-building and roguelike mechanics. Recruit unique companions, craft powerful skill decks, and tackle randomized stages. Deep strategy breaks the traditional TD mold—every run is a fresh challenge!

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Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“By launching early, we can collect player feedback on existing mechanics and future features to better align the product with market demand, conduct stress testing and performance tuning, and quickly identify and fix bugs.”

Approximately how long will this game be in Early Access?

“Between two month and one year, depending on the circumstances.”

How is the full version planned to differ from the Early Access version?

“In the future, we plan to introduce more heroes, equipment, more advanced and enjoyable dungeons, and a wider variety of skill combinations. Additionally, we plan to enhance the stability of the game and increase content localization based on feedback from the trial version.”

What is the current state of the Early Access version?

“The current early access version has established a solid framework and allows you to experience a comprehensive combat system. You can freely recruit heroes, take on missions, and challenge different leaders, and there are already multiple endings waiting for you to explore.”

Will the game be priced differently during and after Early Access?

“There will be no price changes。”

How are you planning on involving the Community in your development process?

“Our community is critical to the development process. We will actively engage with players through feedback forums, surveys, and social media channels.”
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About This Game

In an era of fading magic, an endless tide of the undead has risen from the abyss, extinguishing all life in its path.

As the last Lord of the Forgotten City, you must take up the ancient mantle. Awaken the Rune Grimoire hidden deep within the leylines and summon legendary heroes from across time to stand by your side. Defend the last light of humanity against the eternal night!

The fate of the kingdom and the survival of civilization rest in your hands.

◆ Tower Defense Meets Deck-Building & Roguelike Break the mold of traditional tower defense! By combining pre-battle deck construction with randomized, roguelike elements, every run is filled with unpredictable challenges and infinite possibilities. There is no single "invincible" setup—only ultimate strategies that adapt to the ever-changing battlefield.

◆ Recruit Legendary Heroes & Trigger Synergies Summon a diverse roster of heroes, each with unique traits. Combine different heroes to trigger powerful synergies and devastating battlefield effects. Utilize the deep "Multiple Evolution" system to push your core companions beyond their limits, turning them into unstoppable forces on the frontlines.

◆ Deep Customization: Runes & Skill Decks Navigate extensive talent trees and unlock a massive arsenal of skill cards. Freely mix and match your customized deck with ancient Runes to forge a defensive playstyle (Build) tailored to you. Strategically counter bizarre stage mechanics and obliterate formidable bosses.

◆ Turn the Tide with Randomized Gems Discover the unique Gem system that grants diverse stat bonuses. The RNG drops and strategic combinations of these gems can produce unexpected, game-changing effects, ensuring the mid-to-late game combat remains fresh, strategic, and highly engaging.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 11
    • Processor: intel core i3
    • Memory: 1 GB RAM
    • Network: Broadband Internet connection
    • Storage: 1 GB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 11
    • Processor: intel core i5
    • Memory: 4 GB RAM
    • Network: Broadband Internet connection
    • Storage: 1 GB available space
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