Sim: Heavyweight Boxing Champion

Manage a heavyweight boxer from pro debut to undisputed champion — or play as one of the 300 greatest of all time. 2,500 real fighters from 1880 to 2026, 4 world titles, 7 regional belts, live round-by-round commentary, rivalries, and a career mode spanning 1,000+ years. Unify them all.

At a glance

• Platform: Windows.
• Genres: Indie, Simulation, Sports, Strategy.
• Release date: Apr 1, 2026.
• Steam user reviews: Positive (94% positive).
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

CDKeyCheap does not sell keys. We track and display prices; every purchase happens on the store you click through to.