Simple Logics
by G-TECH
Simple Logics changes how blocks, explosions and falls behave in Forge worlds, adding material-based physics on top of vanilla Minecraft.
What it does
Blocks in Simple Logics react to their material properties when something interacts with them. A dropped anvil, for example, is handled by the physics system rather than the vanilla rules, so different blocks respond differently to the same impact. The author describes the aim as more realistic, immersive physics across the game.
The TNT system is rebuilt, and explosions run alongside the block physics, so the destruction they cause follows the same material logic instead of the vanilla pattern. Falling from great heights also has an effect: a fall can cause leg injuries that affect movement until the player recovers and heals.
Installation is Forge only. Servers that run it need every player to install it too. Files are published for 1.19.2, 1.20.1 and 1.21.1, and the latest file is 1.0.0 for 1.21.1, released 2026-06-03. Simple Logics is released under the MIT License and is not open source.
Key features
Material-based block physics
Blocks follow their own material properties when interacted with, so a dropped anvil behaves differently from other blocks.
Overhauled TNT system
TNT was reworked, and its explosions combine with the block physics to change how destruction plays out.
Fall injuries
A fall from a high point can leave a leg injury, which reduces movement speed until healing finishes.
Physics-driven destruction
Structures react through the same physics logic rather than the fixed vanilla behavior, so blast results vary with the blocks involved.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Questions
Does Simple Logics need to be installed on the server?
Which Minecraft versions does Simple Logics support?
Does Simple Logics work with Fabric?
In the catalog
Simple Logics is one of 5,392 Social mods on ModsFinder, and one of 1,817 Social mods for Forge. 32,366 mods support Minecraft 1.21.1.
More from G-TECH
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What the author says
One of the mod's standout features. If you drop an anvil onto a block, it will interact with that block based on its material and properties, creating more realistic and immersive physics. As shown in the image, different blocks react differently to the block The TNT system has been completely overhauled. Explosions…
Official listing
- Modrinth page
- modrinth.com/mod/simple-logics
- Owner
- G-TECH
- Published
- 2026-06-02
- Updated on Modrinth
- 2026-06-03
- Facts verified
- 2026-10-15