Stack swinging building blocks into precarious towers in this physics stacking demo. Take turns with friends in Build Together or compete in Tower Race, with up to four players online, seven environments, risky drops and spectacular collapses.

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About This Demo

One more block. One more risky drop.

StackLoad is a physics stacking game where every swinging building block can make your tower taller—or bring it crashing down. Time your drops, balance imperfect placements and keep building while the pressure rises.

Build together or race your friends

  • Build Together: take turns stacking on one shared tower in online co-op.
  • Tower Race: build your own tower and compete with other players in online PvP.
  • Online lobbies for up to four players, with Steam friend invitations.

What is in this demo?

This playable demo includes both modes and seven environments from the current game build. Try careful placements, brace your tower, react to hazards and tricks, and watch a close call become a spectacular collapse. In-game replays let you revisit the moments your group wants to see again.

Simple controls, delicate balance

Use keyboard and mouse: Space to drop, Q to brace, the mouse wheel to inspect the tower and Home to follow its top. Interactive help is available in game. Steam and an internet connection are required for online lobbies.

This is the free demo of StackLoad by IMarin Labs.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 or Windows 11 (64-bit)
    • Processor: Intel Core i5-4590 or AMD Ryzen 3 1200
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 1060 (3 GB) or AMD Radeon RX 580 (4 GB)
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Storage: 1 GB available space
    • Additional Notes: Keyboard and mouse; Steam for online play. Use Low graphics.
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 or Windows 11 (64-bit)
    • Processor: Intel Core i5-8400 or AMD Ryzen 5 2600
    • Memory: 16 GB RAM
    • Graphics: NVIDIA GeForce GTX 1660 (6 GB) or AMD Radeon RX 590 (8 GB)
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Storage: 1 GB available space
    • Additional Notes: Keyboard and mouse; Steam for online play.
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