Orbium · Marble Switchyard
Turn four-socket wheels, route marbles along rails and clear every wheel with four matching colors and symbols. Focused static edition of Orbium by Björn Nilsson: three original introductory layouts plus a guided four-orb lesson; calm or timed play, explicit keyboard/pointer launch controls, optional synthesized sound and device-local completion records. Newly drawn procedural artwork replaces all upstream noncommercial graphics; no original audio included. Source: https://github.com/bni/orbium/tree/d49c4a419cde755990c4f2e8921ceb506e7a1fcf (GPL-2.0 code; 90 stars observed; source and repository last updated August 21, 2024). This selection is below the 100-star preference after current popular candidates were found duplicate, backend-dependent or lacking a suitable license. Metadata tags: github-source, game.
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