Strategy · Sandbox · made with Claude
Rubble Kings
Stack physics blocks into a tall kingdom and knock down your rivals' towers.
About Rubble Kings
In Rubble Kings, land comes from height. You stack physics-based blocks into a kingdom, and the taller your structure stands, the more territory you control. Building upward is the way to expand, so a match comes down to how ambitious you are willing to be with your tower.
The creator remembered a similar game from more than twenty years ago but could never recall its name or track it down, so they built their own with Claude Code and Three.js.
The physics is where the strategy lives. A tall tower claims more land but is easier to topple, and one well-placed hit from a rival can bring the whole thing down. Rivals try to knock your tower over while you go after theirs, so stability matters as much as size.
How it was made
Most of the code was written by AI. Source: Vibe Jam 2026 submission form.
Evidence: the creator's own account.
- AI provider
Anthropic
- AI tools
- Claude Code
- Engine
- Three.js
- Players
- Online multiplayer

Questions about Rubble Kings
Is Rubble Kings free to play?
Yes. Rubble Kings runs in your web browser at no cost, with no download or account needed.
Which AI was used to make Rubble Kings?
Rubble Kings was made with Claude Code and Claude. Most of the code was written by AI, according to the Vibe Jam 2026 submission form.
Can I play Rubble Kings on my phone?
Rubble Kings is built for desktop browsers. It may not work well on a phone.
Who made Rubble Kings?
Rubble Kings was made by eric_j_sexton. See their profile on GamesByAI for their other games.
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