Inspired by a classic
Maelstrom
by Ambrosia Software (Andrew Welch) · 1992 · Shooter
Mac shareware Asteroids remake from Ambrosia, later released as open source.
Ambrosia's 1992 Mac Asteroids remake, open-sourced and kept alive by Sam Lantinga as Maelstrom 4.0 (free on GitHub, also on Steam since 2026).
Inspired by Asteroids (1979).