Antimatter Dimensions

Antimatter Dimensions launched on Steam on December 17, 2022, alongside the massive "Reality Update" that had been in development for over four years. This was the game's culminating content release, bringing the full experience to Steam. Following launch, the developer posted a patch on January 28, 2023 with balance adjustments, quality-of-life improvements, and bug fixes — standard post-launch polish. Then, on December 17, 2024 (the game's two-year Steam anniversary), the developer released what they called the "2 Year Anniversary Update." This update explicitly frames itself as a synchronization patch, bringing the Steam version up to date with the web and mobile versions — not as the beginning of a new content chapter. The update added one new perk and a variety of quality-of-life and bug fix changes. Critically, the developer's own store description states "2 years of updates, then 4 years of pretending to update behind the scenes" — a tongue-in-cheek acknowledgment that the game's major development cycle concluded with the Reality Update. The anniversary update was a maintenance and parity release, not an indication of a new ongoing content cycle. There are no announced future updates, no unreleased DLC, no roadmap, and no developer statements suggesting additional content is planned. The two major content releases (the Reality launch and the anniversary sync) are separated by two years, and the anniversary update itself signals closure rather than continuation. The game appears complete as of December 17, 2024.